Using SQL with SQL Developer 18.2

Transcription

1 One Introduction to SQL 2 - Definition 3 - Usage of SQL 4 - What is SQL used for? 5 - Who uses SQL? 6 - Definition of a Database 7 - What is SQL Developer? 8 Two The SQL Developer Interface 9 - Introduction 10 - SQL Developer Connections 12 - Connections 14 - Worksheet 15 - Toolbar and Menus 16 Three Connections 17 - Viewing Objects 18 - Viewing Object Structure 19 - Table Structure 20 - Column Structure 22 - Data Default 27 - The Number Datatype 28 - The Varchar2 Datatype 29 - The Date Datatype 30 - Large Objects 31 - The BLOB Datatype 32 - The CLOB Datatype 33 - Object Details Dialog 34 Four Object Details Dialog 35 - Introduction 36 - Columns Tab 37 - Columns Tab (Resizing columns) 38 - Columns Tab (Moving columns) 39 - Columns Tab (Sorting columns) 40 - Columns Tab (Filter) 41 - Columns Tab (Icons) 42 - Columns Tab (Right Click) 43 - Data Tab 44 - Data Tab (Single Record View) 45 - Data Tab (Count Rows) 47 - Data Tab (Viewing Blobs and Clobs) 48 - Data Tab (Viewing Blobs) 49 - Model Tab 51 - Constraints Tab 54 - Grants Tab 55 - Statistics Tab 56 - Triggers Tab 57 - Flashback Tab 58 - Dependencies Tab 59 RI28 Page 1 of 12 Seer Computing Ltd

2 - Details Tab 60 - Partitions Tab 61 - Indexes Tab 62 - SQL Tab 63 - Exercise One 65 Five Limiting Records in the Data Tab 76 - Introduction 77 - Usage 78 - Using Varchar2 and Dates 79 - Case Sensitivity 80 - Limiting Dates 81 - Invalid Identifier 82 - Invalid Number 83 - Direct Comparison 84 - Value Comparison 86 - Column Comparison 88 - Range Comparison 89 - List Comparison 92 - Wildcard Comparison 95 - Null Values 99 - Combining Filters AND Filters OR Filters Complex Filters Exercise Two 104 Six Ordering Records in the Data Tab Ordering Records in the Data Tab Introduction Ordering Records in the Data Tab Examples 116 Seven SQL Worksheet Introduction Opening in SQL Developer Creating an SQL Statement Executing an SQL Statement Formatting the SQL Statement SQL Syntax Labelling Selected Columns (Column Aliases) Using Literals Database Variables and Sys.DUAL Saving the SQL to a File Opening and Executing a File Commenting Out Lines Identifying Amended Files SQL History Miscellaneous Commands Query Result Buttons Find / Highlight Searching the Output 147 RI28 Page 2 of 12 Seer Computing Ltd

3 - Searching the Output Exercise Three 149 Eight Manipulating SQL Output Introduction Functions Upper and Lower Round Ceil and Floor Count Using '*' in Selections Sum To_Char To_Char (Number Examples) To_Char (Date Examples) Substr Substr Examples Decode Combining Functions Concatenating Columns Performing Mathematics Performing Mathematics 180 Nine Snippets Introduction Topography Using Snippets with the SQL Worksheet Adding User Defined Snippets Editing User Defined Snippets Exercise Four 192 Ten Limiting Data in the SQL Worksheet The Where Clause Using Functions within the Where Clause Using Lower with a Where Clause Using Substr with a Where Clause Using NVL with a Where Clause Using To_Date with a Where Clause Using Trunc with a Where Clause Using Trunc with a Number Using Trunc with a Date Sub-Queries with a Where Clause Exists with a Where Clause Correlated Sub-Queries Table Aliases Advanced IN Sub-Queries 220 Eleven Ordering Data in the SQL Worksheet Introduction Advanced Techniques Advanced Techniques 225 RI28 Page 3 of 12 Seer Computing Ltd

4 - Using Decode in Order By Exercise Five 228 Twelve Aggregating Values in SQL Worksheet Introduction Using Group By Using Where with Group By Using Having with Group By Using Rollup to Total Grouping Exercise Six 247 Thirteen Joining Tables in an SQL Statement Introduction Linking Tables in an SQL Statement Linking Tables using ANSI SQL/ Linking Tables in an SQL Statement Cartesian Products in an SQL Statement Problems with Joining Tables in SQL Linking Tables using ANSI SQL/ Natural Join using ANSI SQL/ Cross Join using ANSI SQL/ Join using ANSI SQL/ Join On using ANSI SQL/ Outer Joins using ANSI SQL/ Left Outer Join using ANSI SQL/ Right Outer Join using ANSI SQL/ Full Outer Join using ANSI SQL/ Multiple Joins using ANSI SQL/ Exercise Seven 275 Fourteen Query Builder in the SQL Worksheet Introduction Invoking Query Builder Query Builder Topography Selecting Tables Checking Links 287 Fifteen Using Views Using Views Database Views Using Views Materialized Views 290 Sixteen Merging Tables in an SQL Statement Merging Tables in SQL Using Union to Merge Tables in SQL Using Union All to Merge Tables in SQL Using Intersect to Merge Tables in SQL Using Minus to Merge Tables in SQL Knowledge Check Knowledge Check - Union Knowledge Check - Union All Knowledge Check - Intersect Knowledge Check - Minus 301 RI28 Page 4 of 12 Seer Computing Ltd

5 - Using the Merge Syntax in SQL 302 Seventeen Regular Expressions in Oracle SQL Introduction Using REGEXP_LIKE in Where Clauses Case Sensitivity Line Anchors Using the Dot (Any Character) Counting Characters {Intervals} Character Lists Excluding Character Lists Alternatives to Character Lists Class Shorthands Or Patterns (Alternatives) Or Patterns with Character Lists Using the Question Mark (Optional) Using the Plus sign (Mandatory) Using the Star sign (Optional) Backreferencing POSIX Using POSIX in Oracle - [:upper] example Using POSIX in Oracle - [:digit] example Using POSIX in Oracle Character equivalents Using Regexp_count in SQL Using Regexp_replace in SQL Using Regexp_instr in SQL Using Regexp_substr in SQL Using Regular Expressions in Oracle 359 Eighteen Exporting Data in SQL Developer Introduction File Types Exporting to CSV Exporting to Delimited Exporting to Excel Exporting to Excel.xml Exporting to Fixed Exporting to HTML Insert Json Insert Loader Loader (ldr) Loader (ctl) PDF Text XML 387 RI28 Page 5 of 12 Seer Computing Ltd

6 Nineteen SQL Developer Help Facility Introduction Search and Table of Contents Start Page Data Miner Check for Updates About Exercise Eight 396 Part Two One Data Manipulation in SQL Developer 2 - Introduction 3 - Updating a record in Data 4 - Updating a Primary Key in Data 6 - Reverting Changes using Refresh 7 - Updating a table with a trigger in Data 8 - Deleting a record in Data 10 - Deleting a record which has children 11 - Inserting a record in Data 12 - Problems manipulating data 14 Two Data Manipulation in SQL Worksheet 15 - Introduction 16 - Inserting Records using SQL Worksheet 17 - Rules When Populating Tables 18 - SQL Syntax for Populating Tables 19 - Using Sysdate To Populate Tables 24 - General Comments 25 - Inserting Data using the SQL Worksheet 26 - Saving the Insert statement 32 - Updating Data in SQL Worksheet 33 - Deleting Records using Truncate 40 - Exercise One 42 Three Importing External Data 52 - Introduction 53 - Beginning the Import 54 - Import method 57 - Choose Columns 58 - Column Definition 60 - Finish 62 - Importing xls files (Insert Script) 64 - Importing xls files (Targeting Columns) 65 - Cutting and pasting xls files 66 - Importing csv files 67 - Exercise Two 68 Four Table Manipulation in SQL Developer 69 - Creating Columns for Tables 70 - Naming Tables and Columns 71 - Creating Tables 73 RI28 Page 6 of 12 Seer Computing Ltd

7 - Creating Columns 76 - Column Datatypes 77 - Creating Mandatory Columns 79 - Creating Indexes for Tables 80 - Default 82 - Table Creation DDL 85 - Creation Syntax for Tables 86 - Comments for Columns 87 - Comments for Tables 91 - Renaming a Table 94 - Copying Tables SQL Syntax 97 - Creating a Table by copying an existing one 98 - Copying Tables SQL Syntax 99 - Dropping Tables Dropping Tables (Cascade Constraints) Dropping Tables (Purge) Dropping Tables (Flashback to Before Drop) Dropping Tables SQL Syntax Restoring Tables from Recycle SQL Syntax Altering Columns Renaming Columns Renaming Columns Syntax ORA-00957: Duplicate Column Name Adding Columns ORA-00910: specified length too long for its datetype Adding Columns SQL Syntax Dropping Columns ORA-12992: Cannot drop parent key column Dropping Columns Syntax Modifying Columns Syntax Rules for Modifying Columns Multiple Column Modification Normalizing Columns 127 Five Table Constraints and Indexes Introduction Creating Indexes in SQL Primary Key Creation in SQL Add Primary Key ORA-02260: Table can have only one primary key Unique Key Creation in SQL Add Unique Key Add Foreign Key ORA-02270: no matching unique or primary key Non-Unique Index Disabling Indexes in SQL Check Constraints ORA-02293: cannot validate check constraint 155 RI28 Page 7 of 12 Seer Computing Ltd

8 - Check Constraint Syntax Add Check Drop Other options Enable / Disable Related Foreign Keys / All / Single Rename Single Exercise Three 163 Six Accessing Objects Introduction Privileges Granting Privileges Syntax Privileges Granting Privileges Revoking Privileges Syntax Revoking Privileges Viewing Privileges Accessing other Schemas ORA-01031: Insufficient Privileges Accessing other Schemas with SQL Worksheet Accessing other Schemas with Synonyms Synonym SQL Syntax ORA-00955: Name is already used Dropping Synonyms Dropping Synonyms Syntax Public Synonyms ORA-01031: Insufficient Privileges Exercise Four 199 Seven Virtual Columns Introduction Creating Virtual Columns with new Table Specifying Virtual Column Datatype and Size Adding Virtual Columns to Existing Table Using Virtual Columns in SQL Using Virtual Columns with Functions ORA-54012: virtual column is referenced in a column ORA-54015: Duplicate column expression specified ORA-54013: INSERT disallowed on virtual columns ORA-54017: UPDATE disallowed on virtual columns 212 Eight Invisible Columns in Oracle 12c Exercise Five 218 Nine Views Introduction Creating Views Syntax Create (simple) Creating Views ORA-00936: Missing expression Properties 231 RI28 Page 8 of 12 Seer Computing Ltd

9 - Force on Create Query Restriction Updating using Views ORA-42399: Cannot perform a DML on a read-only Renaming Views SQL Syntax Renaming Views Dropping a View SQL Syntax Dropping a View Exercise Six 241 Ten Materialized Views Introduction Creating Simple Materialized Views Refreshing Materialized Views New Materialized View New Materialized View Refresh Options Materialized Refresh Options Time Interval Materialized Time Interval Fast Refresh and Materialized View Logs Key Type Editing Materialized Views Viewing Materialized Views Dropping Materialized Views Synchronizing Materialized Views Exercise Seven 271 Eleven Sequences Introduction Creating Sequences Viewing Sequences Editing Sequences Using Sequences Dropping Sequences 281 Twelve Tree Walking Tables in SQL Worksheet Introduction Syntax for Tree Walking Example of Tree Walking Using LPAD with Tree Walking Using Order Siblings By in Tree Walks Using Sys_Connect_By_Path in Tree Walks Exercise Eight 295 Thirteen Sub-Queries in Oracle SQL Introduction Using Equals In and Not In Exists Any 307 RI28 Page 9 of 12 Seer Computing Ltd

10 - Some All Correlated Queries Correlated Updates and Deletes Inline Views Inline View Example Sub-Queries in a Select Statement Sub-Query Factoring (Using With) Sub-Query Factoring Example with Aliases Sub-Query Factoring Example with Joins 318 Fourteen Advanced SQL Query Techniques Introduction Using First_Value/Last_Value Window Specification Breakdown of Window Specification Window Specification - The Arguments Window Specification - Query Partition Window Specification - The Order By Window Specification - The Windowing Window Specification - Rows between Window Specification - Shortcuts Difference between Range and Rows Using Lead and Lag Using Case Function Nesting the Case Function Subqueries in the Case Function Using the Rank Function Using the Ntile Function Using Width_Bucket Function Using Width_Bucket Function in SQL Worksheet Pivot Adding a Total to a Pivot Changing the Pivot Headings of X Axis Rotating the Axis of the Pivot Unpivot Unpivot and Null values Using Listagg Function in SQL Exercise Nine 367 Fifteen - Section Fifteen Using Merge Into Introduction SQL Syntax 377 Sixteen Export DDL (and Data) Introduction Object by Object Exporting DDL and DML Export Wizard (Step One) Pretty Print 386 RI28 Page 10 of 12 Seer Computing Ltd

11 - Show Schema / Grants Byte Terminator Force to Views Drops Cascade Drops Storage Dependents Compatible 397 Seventeen SQL Developer Reports Introduction User Defined Reports Creating User Defined Reports New Folder New Report Master Report Table Editing / Advanced Options SQL Query Binds Refreshing Child Reports Multiple Child Reports Drill Down PDF PDF (Binary Large Object) PDF (Cell Layout) PDF (Column Layout) PDF (Table Layout) PDF (Header and Footer) PDF (Page Layout) Styles Chart Bar Properties Pie Line Area Combination Scatter Bubble Stock Polar Pareto Funnel 455-3D Gauge 457 RI28 Page 11 of 12 Seer Computing Ltd

12 - Script Child Reports with Charts Refresh 462 Eighteen SQL Developer Help Facility Introduction Search and Table of Contents Start Page Data Miner Check for Updates About Exercise Ten 470 Appendices Appendix S1 SQL Functions Appendix S2 SQL Number Formats Appendix S3 SQL Date Formats Delegate Questionnaire RI28 Page 12 of 12 Seer Computing Ltd