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affiliates. All rights reserved. Things you will love about 12.

2 Typical speaker ego slide blog connor-mcdonald.com youtube tinyurl.com/connor-tube Copyright 2016, Oracle and/or its affiliates. All rights reserved. Things you will love about 12.2/18c Connor McDonald Developer Advocate Copyright 2016, Oracle and/or its affiliates. All rights reserved. 2

why me? Copyright 2016, Oracle and/or its affiliates. All rights reserved.

Copyright 2016, Oracle and/or its affiliates. All rights reserved.

9 80 hours of free access / Q&A so far Feb - Jun Copyright 2016, Oracle and/or its affiliates. All rights reserved. 16 July 19 5:30pm IST The biggest and best in the world! Copyright 2016, Oracle and/or its affiliates. All rights reserved. 17 9

reality Copyright 2016, Oracle and/or its affiliates. All rights reserved.

14 SQL> select * from v$version; BANNER Oracle8i Enterprise Edition Release Production PL/SQL Release Production CORE Production TNS for HPUX: Version Production NLSRTL Version Production Copyright 2016, Oracle and/or its affiliates. All rights reserved. 22 SQL> select * from v$version; BANNER Oracle8i Enterprise Edition Release Production PL/SQL Release Production CORE Production TNS for HPUX: Version Production NLSRTL Version Production Copyright 2016, Oracle and/or its affiliates. All rights reserved

15 SQL> select * from v$version; BANNER Oracle8i Enterprise Edition Release Production PL/SQL Release Production CORE Production TNS for HPUX: Version Production NLSRTL Version Production Copyright 2016, Oracle and/or its affiliates. All rights reserved. 24 you still should be here Copyright 2016, Oracle and/or its affiliates. All rights reserved

https://cloud.oracle.com/tryit Copyright 2016, Oracle and/or its affiliates.

http://tinyurl.com/ora122vm Copyright 2016, Oracle and/or its affiliates. All rights reserved.

23 Safe Harbor Statement The following is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle s products remains at the sole discretion of Oracle. Copyright 2016, Oracle and/or its affiliates. All rights reserved. 39 Safe Harbor Statement The following is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle s products remains at the sole discretion of Oracle. Copyright 2016, Oracle and/or its affiliates. All rights reserved

31 ext_emp Copyright 2016, Oracle and/or its affiliates. All rights reserved. SQL> create table ext_emp ( 2 empno number(4), 3 ename varchar2(10), 4 job varchar2(9), 5 mgr number(4), 6 hiredate date, 7 sal number(7,2), 8 comm number(7,2), 9 deptno number(2) 10 ) 11 organization external Copyright 2016, Oracle and/or its affiliates. All rights reserved. 31

number(2) field values are null 10 18 ) ( empno,ename,job,mgr,hiredate,sal,comm,deptno ) 11 19 organization ) external 20 location ('emp20161001.

32 SQL> create table ext_emp ( 2 empno number(4), 3 ename varchar2(10), 4 12 job ( type oracle_loader varchar2(9), 5 13 mgr default number(4), directory TMP 6 14 hiredate access date, parameters 7 15 sal ( records number(7,2), delimited by newline 8 16 comm fields number(7,2), terminated by ',' 9 17 deptnomissing number(2) field values are null ) ( empno,ename,job,mgr,hiredate,sal,comm,deptno ) organization ) external 20 location ('emp dat')); Table created. Copyright 2016, Oracle and/or its affiliates. All rights reserved. ext_emp Copyright 2016, Oracle and/or its affiliates. All rights reserved. 32

33 SQL> select * from ext_emp; select * from ext_emp * ERROR at line 1: ORA-29913: error in executing ODCIEXTTABLEFETCH callout ORA-30653: reject limit reached Copyright 2016, Oracle and/or its affiliates. All rights reserved. easy fix Copyright 2016, Oracle and/or its affiliates. All rights reserved

34 SQL> create table ext_emp ( 2 empno number(4), ( type oracle_loader 13 default directory TMP 14 access parameters 15 ( records delimited by newline 16 fields terminated by ',' 17 missing field values are null 18 ( empno,ename,job,mgr,hiredate,sal,comm,deptno ) 19 ) 20 location ('emp dat')) 21 REJECT LIMIT UNLIMITED; Table created. Copyright 2016, Oracle and/or its affiliates. All rights reserved. but what happens is... Copyright 2016, Oracle and/or its affiliates. All rights reserved

36 service call help desk problem record Copyright 2016, Oracle and/or its affiliates. All rights reserved. service call help desk problem record Copyright 2016, Oracle and/or its affiliates. All rights reserved. 36

39 SQL> select * from ext_emp 2 external modify ( reject limit unlimited ); EMPNO ENAME JOB MGR HIREDATE SAL ALLEN SALESMAN FEB WARD SALESMAN FEB JONES MANAGER APR FORD ANALYST DEC MILLER CLERK JAN rows selected. Copyright 2016, Oracle and/or its affiliates. All rights reserved. SQL> select * from ext_emp 2 external modify ( reject limit unlimited ); EMPNO ENAME JOB MGR HIREDATE SAL ALLEN SALESMAN FEB WARD SALESMAN FEB JONES MANAGER APR FORD ANALYST DEC MILLER CLERK JAN rows selected. Copyright 2016, Oracle and/or its affiliates. All rights reserved. 39

40 file names Copyright 2016, Oracle and/or its affiliates. All rights reserved. 61 SQL> create table ext_emp ( 2 empno number(4), location ('emp dat')) Table created. Copyright 2016, Oracle and/or its affiliates. All rights reserved. 40

41 SQL> select * from ext_emp 2 external modify ( location ('emp dat') ); EMPNO ENAME JOB MGR HIREDATE SAL FORD ANALYST DEC MILLER CLERK JAN JONES MANAGER APR ALLEN SALESMAN FEB WARD SALESMAN FEB rows selected. Copyright 2016, Oracle and/or its affiliates. All rights reserved. select * from ext_tab external modify ( [ default directory ] [ location ] [ access parameters ] [ reject limit ] ); Copyright 2016, Oracle and/or its affiliates. All rights reserved. 41

49 SQL> exec dbms_random.seed(0); PL/SQL procedure successfully completed. SQL> create table t pctfree 99 as 2 select * 3 from ( select rownum r, d.* from dba_objects ) 4 order by dbms_random.value; Table created. SQL> create index ix on t ( r ); Index created. Copyright 2016, Oracle and/or its affiliates. All rights reserved. 77 Copyright 2016, Oracle and/or its affiliates. All rights reserved

50 Copyright 2016, Oracle and/or its affiliates. All rights reserved. 78 SQL> conn Connected. SQL> declare 2 s timestamp; 3 rmax int; 4 l_row t%rowtype; 5 begin 6 select max(r) into rmax from t; 7 8 s := localtimestamp; 9 for i in loop 10 select * into l_row from t where r = i; 11 end loop; 12 dbms_output.put_line(localtimestamp-s); 13 end; 14 / :00: PL/SQL procedure successfully completed. Copyright 2016, Oracle and/or its affiliates. All rights reserved

51 SQL> conn Connected. SQL> conn Connected. SQL> declare 2 s timestamp; SQL> declare 3 rmax int; 2 s timestamp; 4 l_row t%rowtype; 3 rmax int; 5 begin 4 l_row t%rowtype; 6 select max(r) into 5 rmax beginfrom t; s := localtimestamp; 7 select max(r) into rmax from t; 9 for i in loop s := localtimestamp; 10 select * into l_row 9 for from it in where 1.. r = i; loop 11 end loop; 10 select * into l_row from t where r = i; 12 dbms_output.put_line(localtimestamp-s); 11 end loop; 13 end; 14 / 12 dbms_output.put_line(localtimestamp-s); 13 end; :00: / :00: PL/SQL procedure successfully completed. PL/SQL procedure successfully completed. Copyright 2016, Oracle and/or its affiliates. All rights reserved. 79 SQL> conn mcdonac/*****@pdb2 Connected. SQL> alter system set max_iops = 300; System altered. Copyright 2016, Oracle and/or its affiliates. All rights reserved

52 SQL> declare 2 s timestamp; 3 rmax int; 4 l_row t%rowtype; 5 begin 6 select max(r) into rmax from t; 7 8 s := localtimestamp; 9 for i in loop 10 select * into l_row from t where r = i; 11 end loop; 12 dbms_output.put_line(localtimestamp-s); 13 end; 14 / :03: PL/SQL procedure successfully completed. Copyright 2016, Oracle and/or its affiliates. All rights reserved. 81 sid=58 EVENT TOTAL_WAITS TOTAL_TIMEOUTS SECS Disk file operations I/O log file sync db file scattered read db file parallel read events in waitclass Other db file sequential read CPU resmgr: I/O rate limit Copyright 2016, Oracle and/or its affiliates. All rights reserved

SQL> ALTER PLUGGABLE DATABASE prod CLOSE; Pluggable database altered. SQL> ALTER PLUGGABLE DATABASE prod OPEN READ ONLY; Pluggable database altered.

56 SQL> ALTER PLUGGABLE DATABASE prod CLOSE; Pluggable database altered. SQL> ALTER PLUGGABLE DATABASE prod OPEN READ ONLY; Pluggable database altered. SQL> CREATE PLUGGABLE DATABASE prod_copy FROM prod 2 FILE_NAME_CONVERT=('/u01/oradata/cdb/prod', 3 '/u01/oradata/cdb/prod_copy'); Pluggable database created. SQL> ALTER PLUGGABLE DATABASE prod_copy OPEN; Copyright 2016, Oracle and/or its affiliates. All rights reserved. 89 Copyright 2016, Oracle and/or its affiliates. All rights reserved

57 SQL> ALTER PLUGGABLE DATABASE prod CLOSE; Pluggable database altered. SQL> ALTER PLUGGABLE DATABASE prod OPEN READ ONLY; Pluggable database altered. SQL> CREATE PLUGGABLE DATABASE prod_copy FROM prod 2 FILE_NAME_CONVERT=('/u01/oradata/cdb/prod', 3 '/u01/oradata/cdb/prod_copy'); Pluggable database created. SQL> ALTER PLUGGABLE DATABASE prod_copy OPEN; Copyright 2016, Oracle and/or its affiliates. All rights reserved. 91 Copyright 2016, Oracle and/or its affiliates. All rights reserved

12.2 Copyright 2016, Oracle and/or its affiliates. All rights reserved.

59 SQL> ALTER PLUGGABLE DATABASE prod CLOSE; Pluggable database altered. SQL> ALTER PLUGGABLE DATABASE prod OPEN READ ONLY; Pluggable database altered. SQL> CREATE PLUGGABLE DATABASE prod_copy FROM prod 2 FILE_NAME_CONVERT=('/u01/oradata/cdb/prod', 3 '/u01/oradata/cdb/prod_copy'); Pluggable database created. SQL> ALTER PLUGGABLE DATABASE prod_copy OPEN; Copyright 2016, Oracle and/or its affiliates. All rights reserved. 95 SQL> ALTER PLUGGABLE DATABASE prod CLOSE; Pluggable database altered. SQL> ALTER PLUGGABLE DATABASE prod OPEN READ ONLY; Pluggable database altered. SQL> CREATE PLUGGABLE DATABASE prod_copy FROM prod 2 FILE_NAME_CONVERT=('/u01/oradata/cdb/prod', 3 '/u01/oradata/cdb/prod_copy'); Pluggable database created. SQL> ALTER PLUGGABLE DATABASE prod_copy OPEN; Copyright 2016, Oracle and/or its affiliates. All rights reserved

60 SQL> conn Connected. SQL> create table T ( x int, y timestamp ) 2 tablespace users; Table created. SQL> begin 2 for i in loop 3 insert into t values (i, systimestamp ); 4 commit; 5 dbms_lock.sleep(0.5); 6 end loop; 7 end; 8 / [executing] Copyright 2016, Oracle and/or its affiliates. All rights reserved. 96 SQL> conn mcdonac/*****@pdb_source Connected. SQL> create pluggable database pdb_clone from pdb_source 2 file_name_convert=('/u01/cdb/oradata/cdb/pdbs', SQL> create table T ( x 3 int, y timestamp ) '/u01/cdb/oradata/cdb/pdbc'); 2 tablespace users; Table created. Pluggable database created. SQL> alter pluggable database pdb_clone open; SQL> begin 2 for i in Pluggable loop database altered. 3 insert into t values (i, systimestamp ); 4 commit; SQL> conn mcdonac/*******@pdb_clone 5 dbms_lock.sleep(0.5); Connected. 6 end loop; SQL> select * from t; 7 end; 8 / X Y [executing] 1 23-AUG PM 2 23-AUG PM 3 23-AUG PM 4 23-AUG PM... Copyright 2016, Oracle and/or its affiliates. All rights reserved

65 UNDO sidebar: local undo Copyright 2016, Oracle and/or its affiliates. All rights reserved. 100 UNDO sidebar: local undo UNDO UNDO UNDO UNDO Copyright 2016, Oracle and/or its affiliates. All rights reserved

66 SQL> startup upgrade... SQL> ALTER DATABASE LOCAL UNDO ON; Database altered. we'll sort out the rest Copyright 2016, Oracle and/or its affiliates. All rights reserved. 101 after the clone Copyright 2016, Oracle and/or its affiliates. All rights reserved

67 SQL> create pluggable database pdb_ro from pdb_source 2 file_name_convert=('/u01/cdb/oradata/cdb/pdbs', 3 '/u01/cdb/oradata/cdb/pdbr'); Pluggable database created. SQL> alter pluggable database pdb_ro open read only; Pluggable database altered. Copyright 2016, Oracle and/or its affiliates. All rights reserved. 103 SQL> create pluggable database pdb_ro from pdb_source 2 file_name_convert=('/u01/cdb/oradata/cdb/pdbs', 3 '/u01/cdb/oradata/cdb/pdbr'); Pluggable database created. SQL> conn connor/*****@pdb_source SQL> alter pluggable Connected. database pdb_ro open read only; Pluggable database SQL> altered. create table T1 as 2 select * from dba_objects; Table created. Copyright 2016, Oracle and/or its affiliates. All rights reserved

68 SQL> create pluggable database pdb_ro from pdb_source 2 file_name_convert=('/u01/cdb/oradata/cdb/pdbs', 3 '/u01/cdb/oradata/cdb/pdbr'); Pluggable database created. SQL> conn connor/*****@pdb_source SQL> alter pluggable Connected. database pdb_ro open read only; Pluggable database SQL> altered. create table T1 as SQL> conn connor/*****@pdb_ro 2 select * from dba_objects; Connected. Table created. SQL> desc T1 ERROR: ORA-04043: object T1 does not exist Copyright 2016, Oracle and/or its affiliates. All rights reserved. 103 SQL> conn / as sysdba Connected. SQL> alter pluggable database pdb_ro refresh Table created. Copyright 2016, Oracle and/or its affiliates. All rights reserved

69 SQL> conn / as sysdba Connected. SQL> alter pluggable database pdb_ro refresh Table created. SQL> conn connor/*****@pdb_ro Connected. SQL> desc T1 Name Null? Type OWNER VARCHAR2(128) OBJECT_NAME VARCHAR2(128) SUBOBJECT_NAME VARCHAR2(128) OBJECT_ID NUMBER DATA_OBJECT_ID NUMBER... Copyright 2016, Oracle and/or its affiliates. All rights reserved. 104 Copyright 2016, Oracle and/or its affiliates. All rights reserved

73 per pdb auto refresh Copyright 2016, Oracle and/or its affiliates. All rights reserved. 108 Server1 create pluggable database Grey from refresh mode auto every 2 minutes; CDB1 Server2 CDB2 Copyright 2016, Oracle and/or its affiliates. All rights reserved. 73

75 queries that finish without bloody crashing Copyright 2016, Oracle and/or its affiliates. All rights reserved. 112 SQL> insert into MY_TABLE 2 select * 3 from MY_WHOPPING_GREAT_FAT_TABLE; Copyright 2016, Oracle and/or its affiliates. All rights reserved

76 SQL> insert into MY_TABLE 2 select * 3 from MY_WHOPPING_GREAT_FAT_TABLE; MY_WHOPPING_GREAT_FAT_TABLE; Copyright 2016, Oracle and/or its affiliates. All rights reserved. 113 Copyright 2016, Oracle and/or its affiliates. All rights reserved

79 SQL> insert into MY_TABLE 2 select * 3 from MY_WHOPPING_GREAT_FAT_TABLE; Copyright 2016, Oracle and/or its affiliates. All rights reserved. 119 SQL> insert into MY_TABLE 2 select * 3 from MY_WHOPPING_GREAT_FAT_TABLE; Elapsed: 06:12:34.00 Copyright 2016, Oracle and/or its affiliates. All rights reserved

80 SQL> insert into MY_TABLE 2 select * 3 from MY_WHOPPING_GREAT_FAT_TABLE; Elapsed: 06:12:34.00 ERROR at line 1: ORA-01847: day of month must be between 1 and last day of month Copyright 2016, Oracle and/or its affiliates. All rights reserved. 120 Nooooooooo! Copyright 2016, Oracle and/or its affiliates. All rights reserved

83 validate_conversion Copyright 2016, Oracle and/or its affiliates. All rights reserved. 126 SQL> select CREATED_DATE 2 from MY_WHOPPING_GREAT_FAT_TABLE; CREATED_DATE FEB MAR AUG SEP OCT Copyright 2016, Oracle and/or its affiliates. All rights reserved

84 SQL> select to_date(created_date, 'dd-mon-yyyy') 2 from MY_WHOPPING_GREAT_FAT_TABLE 3 where validate_conversion( 4 created_date as date, 'dd-mon-yyyy' 5 ) = 1; TO_DATE(C FEB MAR SEP OCT-12 Copyright 2016, Oracle and/or its affiliates. All rights reserved. 128 CAST extended Copyright 2016, Oracle and/or its affiliates. All rights reserved

85 SQL> select SALARY, 2 cast(salary as number 3 DEFAULT -1 ON CONVERSION ERROR) conv_sal 4 from MY_WHOPPING_GREAT_FAT_TABLE; SALARY CONV_SAL , Copyright 2016, Oracle and/or its affiliates. All rights reserved. 130 SQL> select SALARY, 2 cast(salary as number 3 DEFAULT -1 ON CONVERSION ERROR) conv_sal 4 from MY_WHOPPING_GREAT_FAT_TABLE; SALARY CONV_SAL , Copyright 2016, Oracle and/or its affiliates. All rights reserved

86 SQL> select SALARY, 2 TO_NUMBER(SALARY 3 DEFAULT -1 ON CONVERSION ERROR) conv_sal 4 from MY_WHOPPING_GREAT_FAT_TABLE; SALARY CONV_SAL , Copyright 2016, Oracle and/or its affiliates. All rights reserved. 131 SQL> select SALARY, 2 TO_NUMBER(SALARY 3 DEFAULT -1 ON CONVERSION ERROR) conv_sal 4 from MY_WHOPPING_GREAT_FAT_TABLE; SALARY CONV_SAL , TO_DATE TO_NUMBER TO_TIMESTAMP etc Copyright 2016, Oracle and/or its affiliates. All rights reserved

88 SQL> insert into MY_TABLE 2 select * 3 from MY_WHOPPING_GREAT_FAT_TABLE; Copyright 2016, Oracle and/or its affiliates. All rights reserved. 134 Copyright 2016, Oracle and/or its affiliates. All rights reserved

89 SQL> insert into MY_TABLE 2 select * 3 from MY_WHOPPING_GREAT_FAT_TABLE Copyright 2016, Oracle and/or its affiliates. All rights reserved. 136 SQL> insert into MY_TABLE 2 select * 3 from MY_WHOPPING_GREAT_FAT_TABLE 4 where LOAD_DATE > sysdate - 1; Copyright 2016, Oracle and/or its affiliates. All rights reserved

SQL> alter system kill session '123,456' immediate Copyright 2016, Oracle and/or its affiliates.

93 SQL> insert into MY_TABLE 2 select * 3 from MY_WHOPPING_GREAT_FAT_TABLE; Copyright 2016, Oracle and/or its affiliates. All rights reserved. 143 Copyright 2016, Oracle and/or its affiliates. All rights reserved

94 SQL> insert into MY_TABLE 2 select * 3 from MY_WHOPPING_GREAT_FAT_TABLE w Copyright 2016, Oracle and/or its affiliates. All rights reserved. 145 SQL> insert into MY_TABLE 2 select /*+ * INDEX(W CUST_DATE_IX) */ * 3 from MY_WHOPPING_GREAT_FAT_TABLE w Copyright 2016, Oracle and/or its affiliates. All rights reserved

98 SQL> select owner, 2 count(*) as cnt 3 from t 4 where owner like 'S%' 5 group by owner; Copyright 2016, Oracle and/or its affiliates. All rights reserved. 152 SQL> select owner, 2 count(*) as cnt 3 from t 4 where owner like 'S%' 5 group by owner; SQL> select num_rows 2 from user_tables 3 where table_name = 'T'; NUM_ROWS Copyright 2016, Oracle and/or its affiliates. All rights reserved

99 SQL> create materialized view log on T 2 with rowid (owner,object_id) 3 including new values; Materialized view log created. SQL> create materialized view T_MV 2 refresh fast on demand 3 enable query rewrite 4 as 5 select owner, 6 sum(object_id) as sum_obj, 7 count(object_id) as cnt_obj, 8 count(*) as cnt 9 from t 10 group by owner; Materialized view created. Copyright 2016, Oracle and/or its affiliates. All rights reserved. 153 SQL> set autotrace traceonly explain SQL> select owner, count(*) 2 from t 3 where owner like 'S%' 4 group by owner; Id Operation Name Rows Bytes Cost (%CPU) SELECT STATEMENT (0) * 1 MAT_VIEW REWRITE ACCESS FULL T_MV (0) Predicate Information (identified by operation id): filter("t_mv"."owner" LIKE 'S%') Copyright 2016, Oracle and/or its affiliates. All rights reserved

101 until... Copyright 2016, Oracle and/or its affiliates. All rights reserved. 157 SQL> insert into t 2 values (...,...,...,... ); 1 row created. SQL> commit; Commit complete. Copyright 2016, Oracle and/or its affiliates. All rights reserved

---------------------------------------------------------------- 0 SELECT STATEMENT 2 10 14M (1) 1 HASH GROUP BY 2 10 14M (1) * 2 TABLE

102 SQL> select owner, count(*) 2 from t 3 where owner like 'S%' 4 group by owner; Id Operation Name Rows Bytes Cost (%CPU) SELECT STATEMENT M (1) 1 HASH GROUP BY M (1) * 2 TABLE ACCESS FULL T 574M 2738M 14M (1) Copyright 2016, Oracle and/or its affiliates. All rights reserved. 159 Copyright 2016, Oracle and/or its affiliates. All rights reserved

105 SQL> create materialized view T_MV 2 refresh fast on demand 3 enable query rewrite 4 enable on query computation 5 as 6 select owner, 7 sum(object_id) as sum_obj, 8 count(object_id) as cnt_obj, 9 count(*) as cnt 10 from t 11 group by owner; Materialized view created. Copyright 2016, Oracle and/or its affiliates. All rights reserved. 164 SQL> set autotrace traceonly explain SQL> select owner, count(*) 2 from t 3 where owner like 'S%' 4 group by owner; Id Operation Name Rows Bytes Cost (%CPU) SELECT STATEMENT (0) * 1 MAT_VIEW REWRITE ACCESS FULL T_MV (0) as before Copyright 2016, Oracle and/or its affiliates. All rights reserved

106 SQL> insert into t 2 values (...,...,...,... ); 1 row created. SQL> commit; Commit complete. Copyright 2016, Oracle and/or its affiliates. All rights reserved. 166 SQL> select owner, count(*) cnt 2 from t 3 where owner like 'S%' 4 group by owner; OWNER CNT SYS SI_INFORMTN_SCHEMA 8 SYSTEM 482 Elapsed: 00:00:01.41 Copyright 2016, Oracle and/or its affiliates. All rights reserved

107 SQL> select owner, count(*) cnt 2 from t 3 where owner like 'S%' 4 group by owner; OWNER CNT SYS SI_INFORMTN_SCHEMA SQL> select /*+ NO_REWRITE 8 */ owner, count(*) cnt SYSTEM 2 from t where owner like 'S%' Elapsed: 00:00: group by owner; OWNER CNT SYS SYSTEM 482 SI_INFORMTN_SCHEMA 8 Copyright 2016, Oracle and/or its affiliates. All rights reserved. 167 how? Copyright 2016, Oracle and/or its affiliates. All rights reserved

108 we didn't refresh the mview Copyright 2016, Oracle and/or its affiliates. All rights reserved. 169 SQL> select owner, count(*) as cnt 2 from t 3 where owner like 'S%' 4 group by owner; OWNER CNT SYS SI_INFORMTN_SCHEMA 8 SYSTEM 482 we didn't refresh the mview Copyright 2016, Oracle and/or its affiliates. All rights reserved

109 SQL> select owner, count(*) as cnt 2 from t 3 where owner like 'S%' 4 group by owner; OWNER CNT SYS SI_INFORMTN_SCHEMA 8 SYSTEM 482 we didn't refresh the mview SQL> select owner, cnt 2 from T_MV 3 where owner like 'S%'; OWNER CNT SYS SYSTEM 482 SI_INFORMTN_SCHEMA 8 Copyright 2016, Oracle and/or its affiliates. All rights reserved. 169 SQL> set autotrace traceonly explain SQL> select owner, 2 count(*) as cnt 3 from t 4 where owner like 'S%' 5 group by owner; Copyright 2016, Oracle and/or its affiliates. All rights reserved

110 Id Operation Name Rows Bytes Cost (%CPU) SELECT STATEMENT (20) 1 VIEW (20) 2 UNION-ALL * 3 FILTER * 4 HASH JOIN OUTER (17) * 5 MAT_VIEW ACCESS FULL T_MV (0) 6 VIEW (25) 7 HASH GROUP BY (25) * 8 TABLE ACCESS FULL MLOG$_T (0) 9 VIEW (23) 10 UNION-ALL * 11 FILTER 12 NESTED LOOPS OUTER (25) 13 VIEW (25) * 14 FILTER 15 HASH GROUP BY (25) * 16 TABLE ACCESS FULL MLOG$_T (0) * 17 INDEX UNIQUE SCAN I_SNAP$_T_MV (0) 18 NESTED LOOPS (20) 19 VIEW (25) 20 HASH GROUP BY (25) * 21 TABLE ACCESS FULL MLOG$_T (0) * 22 MAT_VIEW ACCESS BY INDEX ROWID T_MV (0) * 23 INDEX UNIQUE SCAN I_SNAP$_T_MV 1 0 (0) Copyright 2016, Oracle and/or its affiliates. All rights reserved Id Operation Name Rows Bytes Cost (%CPU) SELECT STATEMENT (20) 1 VIEW (20) 2 UNION-ALL * 3 FILTER * 4 HASH JOIN OUTER (17) * 5 MAT_VIEW ACCESS FULL T_MV (0) 6 VIEW (25) 7 HASH GROUP BY (25) * 8 TABLE ACCESS FULL MLOG$_T (0) 9 VIEW (23) 10 UNION-ALL * 11 FILTER 12 NESTED LOOPS OUTER (25) 13 VIEW (25) * 14 FILTER 15 HASH GROUP BY (25) * 16 TABLE ACCESS FULL MLOG$_T (0) * 17 INDEX UNIQUE SCAN I_SNAP$_T_MV (0) 18 NESTED LOOPS (20) 19 VIEW (25) 20 HASH GROUP BY (25) * 21 TABLE ACCESS FULL MLOG$_T (0) * 22 MAT_VIEW ACCESS BY INDEX ROWID T_MV (0) * 23 INDEX UNIQUE SCAN I_SNAP$_T_MV 1 0 (0) Copyright 2016, Oracle and/or its affiliates. All rights reserved

111 Id Operation Name Rows Bytes Cost (%CPU) SELECT STATEMENT (20) 1 VIEW (20) 2 UNION-ALL * 3 FILTER * 4 HASH JOIN OUTER (17) * 5 MAT_VIEW ACCESS FULL T_MV (0) 6 VIEW (25) 7 HASH GROUP BY (25) * 8 TABLE ACCESS FULL MLOG$_T (0) 9 VIEW (23) 10 UNION-ALL * 11 FILTER 12 NESTED LOOPS OUTER (25) 13 VIEW (25) * 14 FILTER 15 HASH GROUP BY (25) * 16 TABLE ACCESS FULL MLOG$_T (0) * 17 INDEX UNIQUE SCAN I_SNAP$_T_MV (0) 18 NESTED LOOPS (20) 19 VIEW (25) 20 HASH GROUP BY (25) * 21 TABLE ACCESS FULL MLOG$_T (0) * 22 MAT_VIEW ACCESS BY INDEX ROWID T_MV (0) * 23 INDEX UNIQUE SCAN I_SNAP$_T_MV 1 0 (0) Copyright 2016, Oracle and/or its affiliates. All rights reserved Id Operation Name Rows Bytes Cost (%CPU) SELECT STATEMENT (20) 1 VIEW (20) 2 UNION-ALL * 3 FILTER * 4 HASH JOIN OUTER (17) * 5 MAT_VIEW ACCESS FULL T_MV (0) 6 VIEW (25) 7 HASH GROUP BY (25) * 8 TABLE ACCESS FULL MLOG$_T (0) 9 VIEW (23) 10 UNION-ALL * 11 FILTER 12 NESTED LOOPS OUTER (25) 13 VIEW (25) * 14 FILTER 15 HASH GROUP BY (25) * 16 TABLE ACCESS FULL MLOG$_T (0) * 17 INDEX UNIQUE SCAN I_SNAP$_T_MV (0) 18 NESTED LOOPS (20) 19 VIEW (25) 20 HASH GROUP BY (25) * 21 TABLE ACCESS FULL MLOG$_T (0) * 22 MAT_VIEW ACCESS BY INDEX ROWID T_MV (0) * 23 INDEX UNIQUE SCAN I_SNAP$_T_MV 1 0 (0) Copyright 2016, Oracle and/or its affiliates. All rights reserved

112 what about direct queries? Copyright 2016, Oracle and/or its affiliates. All rights reserved. 172 SQL> select /*+ owner, FRESH_MV cnt */ owner, cnt 2 from T_MV 3 where owner like 'S%'; OWNER CNT SYSTEM 482 SYS SI_INFORMTN_SCHEMA 8 Copyright 2016, Oracle and/or its affiliates. All rights reserved

113 SQL> select /*+ FRESH_MV */ owner, cnt 2 from T_MV 3 where owner like 'S%'; OWNER CNT SYSTEM 482 SYS SI_INFORMTN_SCHEMA 8 Copyright 2016, Oracle and/or its affiliates. All rights reserved. 173 SQL> select /*+ FRESH_MV */ owner, cnt 2 from T_MV 3 where owner like 'S%'; OWNER CNT SYSTEM 482 SYS SI_INFORMTN_SCHEMA 8 Copyright 2016, Oracle and/or its affiliates. All rights reserved

116 SALES SALES_PK CUSTOMER SALE_DATE Copyright 2016, Oracle and/or its affiliates. All rights reserved. 175 SALES SALES_PK CUSTOMER SALE_DATE PRODUCT Copyright 2016, Oracle and/or its affiliates. All rights reserved

SALES SALES_PK CUSTOMER SALE_DATE PRODUCT Copyright 2016, Oracle and/or its affiliates.

119 SQL> alter index table_pk monitoring usage; Index altered. SQL> select index_name, monitoring, used 2 from v$object_usage 3 where index_name = 'TABLE_PK'; INDEX_NAME MON USED TABLE_PK YES NO Copyright 2016, Oracle and/or its affiliates. All rights reserved. 179 SQL> select * from table where pk_col = 1;... Copyright 2016, Oracle and/or its affiliates. All rights reserved

120 SQL> select * from table where pk_col = 1;... SQL> select index_name, monitoring, used 2 from v$object_usage 3 where index_name = 'TABLE_PK'; INDEX_NAME MON USED TABLE_PK YES YES Copyright 2016, Oracle and/or its affiliates. All rights reserved. 180 but... Copyright 2016, Oracle and/or its affiliates. All rights reserved

121 detection at parse Copyright 2016, Oracle and/or its affiliates. All rights reserved. 182 SQL> alter table CHILD 2 add constraint CHILD_FK foreign key (my_col ) 3 references PARENT ( my_pk ) 4 on delete cascade; Table altered. SQL> create index CHILD_FK_IX on CHILD ( my_col ); Index created. Copyright 2016, Oracle and/or its affiliates. All rights reserved

122 SQL> delete from PARENT 2 where my_pk = 1; 1 row deleted Id Operation Name Rows Bytes DELETE STATEMENT DELETE PARENT * 2 INDEX RANGE SCAN PARENT_PK Copyright 2016, Oracle and/or its affiliates. All rights reserved. 184 SQL> select index_name, monitoring, used 2 from v$object_usage 3 where index_name = 'CHILD_FK_IX'; INDEX_NAME MON USED TABLE_PK YES NO Copyright 2016, Oracle and/or its affiliates. All rights reserved

123 SQL> select index_name, monitoring, used 2 from v$object_usage 3 where index_name = 'CHILD_FK_IX'; INDEX_NAME MON USED TABLE_PK YES NO Copyright 2016, Oracle and/or its affiliates. All rights reserved. 185 SQL> drop index CHILD_FK_IX; Index dropped. SQL> delete from PARENT 2 where my_pk = 1; Copyright 2016, Oracle and/or its affiliates. All rights reserved

125 SQL> desc DBA_INDEX_USAGE Name Null? Type OBJECT_ID NOT NULL NUMBER NAME NOT NULL VARCHAR2(128) OWNER NOT NULL VARCHAR2(128) TOTAL_ACCESS_COUNT NUMBER TOTAL_EXEC_COUNT NUMBER TOTAL_ROWS_RETURNED NUMBER BUCKET_0_ACCESS_COUNT NUMBER BUCKET_1_ACCESS_COUNT NUMBER BUCKET_2_10_ACCESS_COUNT NUMBER BUCKET_2_10_ROWS_RETURNED NUMBER BUCKET_11_100_ACCESS_COUNT NUMBER BUCKET_11_100_ROWS_RETURNED NUMBER BUCKET_101_1000_ACCESS_COUNT NUMBER BUCKET_101_1000_ROWS_RETURNED NUMBER BUCKET_1000_PLUS_ACCESS_COUNT NUMBER BUCKET_1000_PLUS_ROWS_RETURNED NUMBER LAST_USED DATE Copyright 2016, Oracle and/or its affiliates. All rights reserved. 189 SQL> desc DBA_INDEX_USAGE Name Null? Type OBJECT_ID NOT NULL NUMBER NAME NOT NULL VARCHAR2(128) OWNER NOT NULL VARCHAR2(128) TOTAL_ACCESS_COUNT NUMBER TOTAL_EXEC_COUNT NUMBER TOTAL_ROWS_RETURNED NUMBER BUCKET_0_ACCESS_COUNT NUMBER BUCKET_1_ACCESS_COUNT NUMBER BUCKET_2_10_ACCESS_COUNT NUMBER BUCKET_2_10_ROWS_RETURNED NUMBER BUCKET_11_100_ACCESS_COUNT NUMBER BUCKET_11_100_ROWS_RETURNED NUMBER BUCKET_101_1000_ACCESS_COUNT NUMBER BUCKET_101_1000_ROWS_RETURNED NUMBER BUCKET_1000_PLUS_ACCESS_COUNT NUMBER BUCKET_1000_PLUS_ROWS_RETURNED NUMBER LAST_USED DATE Copyright 2016, Oracle and/or its affiliates. All rights reserved

126 SQL> desc DBA_INDEX_USAGE Name Null? Type OBJECT_ID NOT NULL NUMBER NAME NOT NULL VARCHAR2(128) OWNER NOT NULL VARCHAR2(128) TOTAL_ACCESS_COUNT NUMBER TOTAL_EXEC_COUNT NUMBER TOTAL_ROWS_RETURNED NUMBER BUCKET_0_ACCESS_COUNT NUMBER BUCKET_1_ACCESS_COUNT NUMBER BUCKET_2_10_ACCESS_COUNT NUMBER BUCKET_2_10_ROWS_RETURNED NUMBER BUCKET_11_100_ACCESS_COUNT NUMBER BUCKET_11_100_ROWS_RETURNED NUMBER BUCKET_101_1000_ACCESS_COUNT NUMBER BUCKET_101_1000_ROWS_RETURNED NUMBER BUCKET_1000_PLUS_ACCESS_COUNT NUMBER BUCKET_1000_PLUS_ROWS_RETURNED NUMBER LAST_USED DATE Copyright 2016, Oracle and/or its affiliates. All rights reserved. 191 SQL> select * from DBA_INDEX_USAGE where name = 'CHILD_FK_IX' ============================== OBJECT_ID : NAME : CHILD_FK_IX OWNER : MCDONAC TOTAL_ACCESS_COUNT : 1078 TOTAL_EXEC_COUNT : 1078 TOTAL_ROWS_RETURNED : 1077 BUCKET_0_ACCESS_COUNT : 1 BUCKET_1_ACCESS_COUNT : 1077 BUCKET_2_10_ACCESS_COUNT : 0 BUCKET_2_10_ROWS_RETURNED : 0 BUCKET_11_100_ACCESS_COUNT : 0 BUCKET_11_100_ROWS_RETURNED : 0 BUCKET_101_1000_ACCESS_COUNT : 0 BUCKET_101_1000_ROWS_RETURNED : 0 BUCKET_1000_PLUS_ACCESS_COUNT : 0 BUCKET_1000_PLUS_ROWS_RETURNED: 0 LAST_USED : 17/08/ :32:51 Copyright 2016, Oracle and/or its affiliates. All rights reserved

129 SQL> create table t1 as 2 select 3 mod(rownum,50) c1, 4 mod(rownum,50) c2, 5 rownum c3, 6 rownum c4, 7 rownum c5, 8 rpad(rownum,100) c6 9 from dual 10 connect by level <= 10000; SQL> select count(*) from t1 2 where c1 = 12 and c2 = 12; COUNT(*) Copyright 2016, Oracle and/or its affiliates. All rights reserved. 197 SQL> set autotrace traceonly explain SQL> select * 2 from t 3 where c1 = 12 4 and c2 = 12; Id Operation Name Rows Bytes Cost (%CPU) SELECT STATEMENT (6) * 1 TABLE ACCESS FULL T (6) Copyright 2016, Oracle and/or its affiliates. All rights reserved

130 SQL> set autotrace traceonly explain SQL> select * 2 from t 3 where c1 = 12 4 and c2 = 12; Id Operation Name Rows Bytes Cost (%CPU) SELECT STATEMENT (6) * 1 TABLE ACCESS FULL T (6) Copyright 2016, Oracle and/or its affiliates. All rights reserved. 198 SQL> create index IX1 on t1 ( c1,c2 ); Index created. SQL> select * 2 from t 3 where c1 = 12 4 and c2 = 12; Id Operation Name Rows Bytes Cost (%CPU) SELECT STATEMENT (6) * 1 TABLE ACCESS FULL T (6) Copyright 2016, Oracle and/or its affiliates. All rights reserved

141 "consumer trust is the new high availability" - Connor McDonald Copyright 2016, Oracle and/or its affiliates. All rights reserved. 212 security... ain't easy :-( Copyright 2016, Oracle and/or its affiliates. All rights reserved

142 Check core_dump_dest is valid Audit known default role passwords Make extproc secure Change sys password Secure access to catalog roles Disable remote login password file Add password management for default accounts Audit utl_file_dir parameter Audit dbms_backup_restore package permissions Secure ALL_USERS view Check that global_names is true Stop personal data exposure on users accounts Use proxy authentication to help resolve SSO issues Create a role to manage users accounts Remove oo4o if not needed Use obfuscated naming convention for users accounts Audit users accounts for weak passwords Check that max_enabled_roles is set correctly Secure access to dba role views Change system password Audit Java access to the OS Password protect admin roles Check that O7_dictionary_accessibility is set to false Check user_dump_dest is valid Audit use of IFILE Lock dormant database accounts and remove after time delay Check use of system tablespace as default Check that remote_listener is null Check that remote_os_roles is set to false Review database accounts, ensuring they belong to business users. Copyright 2016, Oracle and/or its affiliates. All rights reserved. 214 DBSAT Copyright 2016, Oracle and/or its affiliates. All rights reserved

143 collect system/****** /tmp/dbsat_collect... Connecting to the target Oracle database... SQL*Plus: Release Production on Mon Aug 29 06:16: Copyright (c) 1982, 2016, Oracle. All rights reserved. Last Successful login time: Fri Aug :58:24 +01:00 Connected to: Oracle Database 12c Enterprise Edition Release bit Production Setup complete. SQL queries complete. OS commands complete. Disconnected from Oracle Database 12c Enterprise Edition Release bit Production DBSAT Collector completed successfully. Calling /u01/app/oracle/product/12.2.0/dbhome_2/bin/zip to encrypt dbsat_collect.json... Enter password: Verify password: adding: dbsat_collect.json (deflated 87%) zip completed successfully. Copyright 2016, Oracle and/or its affiliates. All rights reserved. 216 dbsat]$./dbsat report /tmp/dbsat_collect... Archive: /tmp/dbsat_collect.zip [/tmp/dbsat_collect.zip] dbsat_collect.json password: inflating: /tmp/dbsat_collect.json DBSAT Reporter ran successfully. Calling /usr/bin/zip to encrypt the generated reports... Enter password: Verify password: adding: dbsat_collect.txt (deflated 78%) adding: dbsat_collect.html (deflated 83%) adding: dbsat_collect.xlsx (deflated 3%) zip completed successfully. Copyright 2016, Oracle and/or its affiliates. All rights reserved

DBSAT Copyright 2016, Oracle and/or its affiliates. All rights reserved.

148 SQL> alter user data_owner account lock User altered. Copyright 2016, Oracle and/or its affiliates. All rights reserved. security risk Copyright 2016, Oracle and/or its affiliates. All rights reserved

149 SQL> conn wmsys/wmsys ERROR: ORA-28000: the account is locked Warning: You are no longer connected to ORACLE. Copyright 2016, Oracle and/or its affiliates. All rights reserved. SQL> conn wmsys/wmsys ERROR: ORA-28000: the account is locked Warning: You are no longer connected to ORACLE. Copyright 2016, Oracle and/or its affiliates. All rights reserved. 149

151 SQL> create user data_owner 2 no authentication; Copyright 2016, Oracle and/or its affiliates. All rights reserved. SQL> conn data_owner/random_password Copyright 2016, Oracle and/or its affiliates. All rights reserved. 151

152 SQL> conn data_owner/random_password ORA-01017: invalid username/password; logon denied Copyright 2016, Oracle and/or its affiliates. All rights reserved. and finally... Copyright 2016, Oracle and/or its affiliates. All rights reserved

Oracle Directory Services Copyright 2016, Oracle and/or its affiliates.

varchar2(20) 5 ) 6 tablespace users; Table created.

156 Copyright 2016, Oracle and/or its affiliates. All rights reserved. 237 SQL> create table MY_IMPORTANT_STUFF 2 ( name varchar2(50), 3 credit_card varchar2(20), 4 ssn varchar2(20) 5 ) 6 tablespace users; Table created. SQL> insert into MY_IMPORTANT_STUFF 2 values ('Connor McDonald',' ',' '); 1 row created. Copyright 2016, Oracle and/or its affiliates. All rights reserved

157 ~]$ strings users01.dbf } {z 2DB122 USERS AAAAAAAA Connor McDonald Copyright 2016, Oracle and/or its affiliates. All rights reserved. 239 transparent data encryption Copyright 2016, Oracle and/or its affiliates. All rights reserved

160 SQL> ADMINISTER KEY MANAGEMENT CREATE KEYSTORE 2 '/u01/app/oracle/secure' IDENTIFIED BY *******; Keystore altered. SQL> ADMINISTER KEY MANAGEMENT SET KEYSTORE 2 OPEN IDENTIFIED BY *******; Keystore altered. Copyright 2016, Oracle and/or its affiliates. All rights reserved. 244 SQL> select name from v$datafile; NAME /u01/oradata/mydb/system01.dbf /u01/oradata/mydb/sysaux01.dbf /u01/oradata/mydb/undo01.dbf /u01/oradata/mydb/users01.dbf Copyright 2016, Oracle and/or its affiliates. All rights reserved

161 SQL> select name from v$datafile; NAME /u01/oradata/mydb/system01.dbf /u01/oradata/mydb/sysaux01.dbf /u01/oradata/mydb/undo01.dbf /u01/oradata/mydb/users01.dbf SQL> ALTER TABLESPACE users ENCRYPTION ONLINE USING 'AES192' 2 ENCRYPT FILE_NAME_CONVERT= ('users', 'users_enc'); Copyright 2016, Oracle and/or its affiliates. All rights reserved. 245 SQL> select name from v$datafile; NAME /u01/oradata/mydb/system01.dbf /u01/oradata/mydb/sysaux01.dbf /u01/oradata/mydb/undo01.dbf /u01/oradata/mydb/users01.dbf SQL> ALTER TABLESPACE users ENCRYPTION ONLINE USING 'AES192' 2 ENCRYPT FILE_NAME_CONVERT= ('users', 'users_enc'); SQL> select name from v$datafile; NAME /u01/oradata/mydb/system01.dbf /u01/oradata/mydb/sysaux01.dbf /u01/oradata/mydb/undo01.dbf /u01/oradata/mydb/users_enc01.dbf Copyright 2016, Oracle and/or its affiliates. All rights reserved

162 ~]$ strings users_enc01.dbf } {z 2DB122 USERS AAAAAAAA sio+ #Hcc M ]Q ZRk+s C 24Dk Ah!X... Copyright 2016, Oracle and/or its affiliates. All rights reserved. 246 Copyright 2016, Oracle and/or its affiliates. All rights reserved

165 SQL> create table t as select * from dba_objects; Table created. SQL> create index ix on t ( object_id ); Index created. Copyright 2016, Oracle and/or its affiliates. All rights reserved. 252 SQL> create table t as select * from dba_objects; Table created. SQL> insert into t select * from t where rownum = 1; SQL> create index ix on t ( object_id ); 1 row created. Index created. SQL> insert into t select * from t where rownum = 1; 1 row created.... Copyright 2016, Oracle and/or its affiliates. All rights reserved

166 SQL> create table t as select * from dba_objects; Table created. SQL> insert into t select * from t where rownum = 1; SQL> create index ix on t ( object_id ); 1 row created. Index created. SQL> insert into t select * from t where rownum = 1; 1 row created. SQL> alter table t move online;... [working] Copyright 2016, Oracle and/or its affiliates. All rights reserved. 252 SQL> commit; Commit complete. Copyright 2016, Oracle and/or its affiliates. All rights reserved

167 SQL> commit; Commit complete. SQL> alter table t move online; [working] Table altered. SQL> select index_name, status from user_indexes; INDEX_NAME STATUS IX VALID Copyright 2016, Oracle and/or its affiliates. All rights reserved. 253 composite operations Copyright 2016, Oracle and/or its affiliates. All rights reserved. 167

168 SQL> alter table MY_SALES move 2 compress tablespace users 3 update indexes 4 (sales_ix1 tablespace indexes01, 5 sales_ix2 tablespace indexes02) 6 online; Table altered. Copyright 2016, Oracle and/or its affiliates. All rights reserved. 255 partition existing table one command Copyright 2016, Oracle and/or its affiliates. All rights reserved. 168

169 SQL> create table T as 2 select d.* 3 from dba_objects d, 4 ( select 1 from dual 5 connect by level <= 20 ) 6 where d.object_id is not null; Table created. SQL> create index IX on t ( object_id ); Index created. SQL> create index IX2 on t ( created, object_name ); Index created. Copyright 2016, Oracle and/or its affiliates. All rights reserved. 257 SQL> alter table T modify 2 partition by range (object_id) interval (10000) 3 ( 4 partition p1 values less than (20000) 5 ) online 6 including rows where created > date ' ' 7 update indexes 8 ( ix local tablespace new_idx_ts, 9 ix2 global partition by range (created) 10 ( 11 partition ix2_p1 values less than (date ' '), 12 partition ix2_p2 values less than (maxvalue) 13 ) 14 ); Table altered. Copyright 2016, Oracle and/or its affiliates. All rights reserved

170 SQL> alter table T modify 2 partition by range (object_id) interval (10000) 3 ( 4 partition p1 values less than (20000) 5 ) online 6 including rows where created > date ' ' 7 update indexes 8 ( ix local tablespace new_idx_ts, 9 ix2 global partition by range (created) 10 ( 11 partition ix2_p1 values less than (date ' '), 12 partition ix2_p2 values less than (maxvalue) 13 ) 14 ); Table altered. Copyright 2016, Oracle and/or its affiliates. All rights reserved. 258 SQL> alter table T modify 2 partition by range (object_id) interval (10000) 3 ( 4 partition p1 values less than (20000) 5 ) online 6 including rows where created > date ' ' 7 update indexes 8 ( ix local tablespace new_idx_ts, 9 ix2 global partition by range (created) 10 ( 11 partition ix2_p1 values less than (date ' '), 12 partition ix2_p2 values less than (maxvalue) 13 ) 14 ); Table altered. compress Copyright 2016, Oracle and/or its affiliates. All rights reserved

171 SQL> alter table T modify 2 partition by range (object_id) interval (10000) 3 ( 4 partition p1 values less than (20000) 5 ) online 6 including rows where created > date ' ' 7 update indexes 8 ( ix local tablespace new_idx_ts, 9 ix2 global partition by range (created) 10 ( 11 partition ix2_p1 values less than (date ' '), 12 partition ix2_p2 values less than (maxvalue) 13 ) 14 ); Table altered. compress Copyright 2016, Oracle and/or its affiliates. All rights reserved. 258 SQL> alter table T modify 2 partition by range (object_id) interval (10000) 3 ( 4 partition p1 values less than (20000) 5 ) online 6 including rows where created > date ' ' 7 update indexes 8 ( ix local tablespace new_idx_ts, 9 ix2 global partition by range (created) 10 ( 11 partition ix2_p1 values less than (date ' '), 12 partition ix2_p2 values less than (maxvalue) 13 ) 14 ); Table altered. compress Copyright 2016, Oracle and/or its affiliates. All rights reserved

172 SQL> alter table T modify 2 partition by range (object_id) interval (10000) 3 ( 4 partition p1 values less than (20000) 5 ) online 6 including rows where created > date ' ' 7 update indexes 8 ( ix local tablespace new_idx_ts, 9 ix2 global partition by range (created) 10 ( 11 partition ix2_p1 values less than (date ' '), 12 partition ix2_p2 values less than (maxvalue) 13 ) 14 ); Table altered. compress Copyright 2016, Oracle and/or its affiliates. All rights reserved. 258 SQL> alter table T modify 2 partition by range (object_id) interval (10000) 3 ( 4 partition p1 values less than (20000) 5 ) online 6 including rows where created > date ' ' 7 update indexes 8 ( ix local tablespace new_idx_ts, 9 ix2 global partition by range (created) 10 ( 11 partition ix2_p1 values less than (date ' '), 12 partition ix2_p2 values less than (maxvalue) 13 ) 14 ); Table altered. compress Copyright 2016, Oracle and/or its affiliates. All rights reserved

1997 Copyright 2016, Oracle and/or its affiliates. All rights reserved.

2007 Copyright 2016, Oracle and/or its affiliates. All rights reserved.

ARE SHOWING CODING SAMPLES SO IF YOU HAVE PASSED THE AGE OF TWENTY THEN YOU SHOULD PROBABLY THINK

WE ARE SHOWING CODING SAMPLES SO IF YOU HAVE PASSED THE AGE OF TWENTY THEN YOU SHOULD PROBABLY THINK ABOUT SITTING RIGHT UP CLOSE TO THE FRONT OF THE ROOM BECAUSE OTHERWISE YOU MIGHT MISS OUT A N D I F