Oracle Database 10g SQL

Transcription

1 Oracle Database 10g SQL

2 Oracle Database 10g SQL GROUPING SETS... 6 NULL... 7 ROLLUP... 8 ROLLUP... 8 ROLLUP... 9 CUBE CUBE CUBE GROUP BY GROUPING SET GROUPING_ID GROUP_ID Oracle Database 10g SQL 2

3 Oracle Database 10g SQL GROUP BY SQL Oracle SQL SQL SELECT GROUP BY CUBE ROLLUP GROUPING SETS Oracle Oracle Database 10g GROUP BY Oracle SQL Analytic SQL Features in Oracle Database 10g SQL 3

4 Oracle Database 10g Oracle Database 10g SQL The SQL Model Clause of Oracle Database 10g Oracle Database 10g SQL Oracle OLAP Option OLAP Option to Oracle Database 10g Oracle Database 10g OLAP Oracle Technology Network SQL Oracle SQL GROUP BY SQL Oracle Database 10g GROUP BY 1 GROUP BY 1 GROUP BY GROUPING SETS CUBE ROLLUP ANSI SQL-99 GROUP BY Oracle Database 10g SQL 4

5 GROUPING SETS ROLLUP CUBE OLAP GROUP BY Time Department Region 3 Time Department Video Sales Video Rentals Region East West Central Region Department Department Totals Video Rental Profit Video Sales Profit Central 82,000 85, ,000 East 101, , ,000 West 96,000 97, ,000 Regional Totals 279, , ,000 6 Region Department SUM GROUP BY 5 1 Video Rental Profit 279,000 East 238, Region Department GROUP BY 1 GROUP BY GROUP BY 4 GROUP BY Region Department GROUP BY Region GROUP BY Department GROUP BY Oracle Database 10g SQL 5

6 1 SELECT GROUP BY 1 UNION ALL UNION ALL GROUPING SETS GROUP BY GROUPING SETS GROUPING SETS SQL 3 Time, Region, Department Time, Department Region, Department SELECT Time, Region, Department, sum(profit) FROM Sales GROUP BY GROUPING SETS ((Time, Region, Department), (Time,Department), (Region,Department)); Time Region Department Profit 2003 Central VideoRental 75, Central VideoSales 74, East VideoRental 89, East VideoSales 115, West VideoRental 87, West VideoSales 86, [NULL] VideoRental 251, [NULL] VideoSales 275, Central VideoRental 82, Central VideoSales 85, East VideoRental 101, East VideoSales 137, West VideoRental 96, West VideoSales 97, [NULL] VideoRental 279, [NULL] VideoSales 319,000 [NULL] Central VideoRental 157,000 [NULL] Central VideoSales 159,000 Oracle Database 10g SQL 6

7 Time Region Department Profit [NULL] East VideoRental 190,000 [NULL] East VideoSales 252,000 [NULL] West VideoRental 183,000 [NULL] West VideoSales 183,000 UNION ALL SELECT Time, Region, Department, sum(profit) FROM salestable GROUP BY year, region, product UNION ALL SELECT Time, NULL, Department, sum(profit) FROM salestable GROUP BY Time, Department UNION ALL SELECT NULL, Region, Department, sum(profit) FROM salestable GROUP BY Region, Product; SQL 3 Oracle 1 NULL GROUP BY NULL NULL GROUPING SETS NULL Region 7 NULL 2003 Video Rental NULL NULL GROUPING NULL Oracle Oracle Database 10g SQL 7

8 ROLLUP ROLLUP ROLLUP ROLLUP ROLLUP SELECT... GROUP BY ROLLUP( <grouping column reference list> ) ROLLUP GROUP BY 1 ROLLUP n +1 ROLLUP Time Region Department n=3 4 ROLLUP GROUPING SET ROLLUP (a, b, c) GROUPING SETS ( (a, b, c), (a, b), (a), ( ) ) ( ) ROLLUP ROLLUP SELECT Time, Region, Department, sum(profit) AS Profit FROM sales GROUP BY ROLLUP(Time, Region, Dept) Time Region Dept : ROLLUP GROUP BY Time Region : Time Region Department Time : Time Region Department 2 : Oracle Database 10g SQL 8

9 Time Region Department Profit 2003 Central VideoRental 75, Central VideoSales 74, Central [NULL] 149, East VideoRental 89, East VideoSales 115, East [NULL] 204, West VideoRental 87, West VideoSales 86, West [NULL] 173, [NULL] [NULL] 526, Central VideoRental 82, Central VideoSales 85, Central [NULL] 167, East VideoRental 101, East VideoSales 137, East [NULL] 238, West VideoRental 96, West VideoSales 97, West [NULL] 193, [NULL] [NULL] 598,000 [NULL] [NULL] [NULL] 1,124,000 ROLLUP ROLLUP ROLLUP ROLLUP year, month, day ROLLUP country, state, city ROLLUP ROLLUP ROLLUP 1 ROLLUP 279, ,000 ROLLUP Time, Region, Department ROLLUP ROLLUP Time, Department, Region CUBE Oracle Database 10g SQL 9

10 CUBE CUBE 1 CUBE CUBE 1 SELECT CUBE SELECT... GROUP BY CUBE ( <grouping column reference list> ) CUBE CUBE CUBE Time, Region, Department ROLLUP CUBE n 2n ROLLUP CUBE GROUPING SET CUBE(a, b, c) GROUPING SETS ((a, b, c), (a, b), (a, c), (b, c), (a), (b), (c) ()) CUBE 3 CUBE SELECT Time, Region, Department, SUM(Profit) AS Profit FROM sales GROUP BY CUBE (Time, Region, Dept); CUBE ROLLUP 4 Time, Region, Dept Time, Region Time Region (Dept Time, Dept Region, Dept CUBE CUBE ROLLUP CUBE CUBE 1 month, state, product 3 year, month, day Oracle Database 10g SQL 10

11 17 CUBE 1 GROUP BY ROLLUP CUBE SELECT ROLLUP SELECT Year, Quarter, Month, SUM(Revenues) AS Revenues FROM Revenues GROUP BY ROLLUP(Year, Quarter, Month); Year Quarter Month Revenues 2004 Winter Jan 55, Winter Feb 64, Winter March 71, Winter [NULL] 190, Spring April 75, Spring May 86, Spring June 88, Spring [NULL] 249, Summer July 91, Summer August 87, Summer September 101, Summer [NULL] 279, Fall October 109, Fall November 114, Fall December 133, Fall [NULL] 356, [NULL] [NULL] 1,074,000 Oracle Database 10g SQL 11

12 1 ROLLUP ROLLUP (quarter, month) GROUP BY ROLLUP (year, (quarter, month), day) (quarter, month) SQL ROLLUP Quarter Month year quarter (year, quarter, month, day), (year, quarter, month), (year) () month year SELECT Year, Quarter, Month, SUM(Revenues) AS Revenues FROM Revenues GROUP BY ROLLUP(Year, (Quarter, Month)) Year Quarter Month Revenues 2004 Winter Jan 55, Winter Feb 64, Winter March 71, Spring April 75, Spring May 86, Sprint June 88, Summer July 91, Summer August 87, Summer September 101, Fall October 109, Fall November 114, Fall December 133, [NULL] [NULL] 1,074,000 Oracle Database 10g SQL 12

13 ROLLUP CUBE ROLLUP CUBE GROUPING SET ROLLUP CUBE GROUPING SET GROUP BY GROUPING SETS (a, b), GROUPING SETS (c, d) GROUPING SET a b 2 GROUPING SET c d (a, c) (a, d) (b, c) (b, d) SQL 1 CUBE ROLLUP ROLLUP 3 3 Oracle Database 10g SQL 13

14 Time year, quarter, month Product category, brand, item Geography region, state, city 3 ROLLUP ROLLUP GROUPING SET GROUP BY ROLLUP GROUP BY ROLLUP(year, quarter, month), ROLLUP(category, brand, item), ROLLUP(region, state, city) GROUP BY ROLLUP 4 ROLLUP by Time ROLLUP by Product ROLLUP by Geography year, quarter, month Category, brand, item region, state, city year, quarter Category, brand region, state year Category region all times all products all geographies SQL ROLLUP ROLLUP ROLLUP 64 SQL Oracle Database 10g SQL 14

15 GROUP BY 2 % 1 NULL NULL GROUP BY NULL NULL Oracle GROUPING GROUPING_ID GROUP_ID GROUPING 1 GROUP BY NULL 1 NULL GROUPING 1 NULL 0 GROUPING() SELECT SELECT [GROUPING(dimension column) ] GROUP BY {CUBE ROLLUP} GROUPING SELECT Time, Region, Department, SUM(Profit) AS Profit, GROUPING (Time) as T, GROUPING (Region) as R, GROUPING (Department) as D FROM Sales GROUP BY ROLLUP (Time, Region, Department); Time Region Department Profit T R D 2003 Central Video Rental 75, Central Video Sales 74, Central [NULL] 149, East Video Rental 89, East Video Sales 115, East [NULL] 204, West Video Rental 87, West Video Sales 86, Oracle Database 10g SQL 15

16 Time Region Department Profit T R D 2003 West [NULL] 173, [NULL] [NULL] 526, Central Video Rental 82, Central Video Sales 85, Central [NULL] 167, East Video Rental 101, East Video Sales 137, East [NULL] 238, West VideoRental 96, West VideoSales 97, West [NULL] 193, [NULL] [NULL] 598, [NULL] [NULL] [NULL] 1,124, T R D GROUPING "0 0 0" "0 0 1" 2 "0 1 1" "1 1 1" GROUPING HAVING GROUPING_ID GROUP BY GROUP BY GROUPING GROUPING GROUP BY GROUPING 4 GROUP BY 4 GROUPING SQL GROUPING_ID GROUPING_ID GROUP BY 1 GROUPING_ID 1 0 GROUP BY " " GROUPING_ID 10 CUBE(a, b) Oracle Database 10g SQL 16

17 GROUPING_ID a, b a b GROUPING_ID GROUP_ID GROUP BY GROUP_ID GROUP_ID 0 1 GROUP_ID GROUP_ID SELECT Region, State, sum(sales) as sum_sales, GROUPING_ID(state, region), GROUP_ID() FROM salestable GROUP BY GROUPING SETS (region, ROLLUP(region, state)); region, state region region region 2 GROUPING_ID GROUP_ID Region State sum_sales GROUPING_ID GROUP_ID E NY W CA E [NULL] E [NULL] W [NULL] W [NULL] [NULL] [NULL] Oracle Database 10g SQL 17

18 HAVING GROUP_ID() = 0 region MV Oracle Database 10g GROUP BY CUBE ROLLUP GROUPING SET 1 Oracle Database 10g ROLLUP ROLLUP CREATE MATERIALIZED VIEW mv AS SELECT productline, productfamily, productid, region, state, city, sum(sales) as sum_sales, grouping_id(productline, productfamily,productid,region,state,city) FROM salestable GROUP BY productline, ROLLUP(productfamily, productid), region, ROLLUP(state, city); SQL 9 1 productline, productfamily, productid, region, state, city productline, productfamily, productid, region, state productline, productfamily, productid, region productline, productfamily, region, state, city productline, productfamily, region, state productline, productfamily, region productline, region, state, city productline, region, state productline, region Oracle Database 10g SQL 18

19 Oracle Database Oracle Database 10g Release 2 Oracle ROLLUP CUBE GROUPING SET Oracle grouping_id SQL GROUP BY Oracle Database 10g SQL Oracle Database 10g Oracle Database 10g SQL 19

20 Oracle Database 10g SQL : John Haydu, Sankar Subramanian : Oracle Corporation World Headquarters 500 Oracle Parkway Redwood Shores, CA U.S.A. : : : Copyright 2005, Oracle. All rights reserved. Oracle JD Edwards PeopleSoft Oracle Corporation