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SQL Optimizer for Oracle 10.0 - User Guide

Welcome to SQL Optimizer
About SQL Optimizer SQL Optimization Workflow New in This Release Additional Resources Database Privileges Database Privileges Script Connect to the Database Windows Layout Customize Toolbars Keyboard Shortcuts Support Bundle Register SQL Optimizer Check for Updates SQL Operations
ALL PARTITION ALTER INDEX AND EQUAL ANTI JOIN BITMAP AND BITMAP COMPACTION BITMAP CONSTRUCTION BITMAP CONVERSION BITMAP INDEX BITMAP JOIN INDEX UPDATE BITMAP JOIN INDEX UPDATE STATEMENT BITMAP KEY ITERATION BITMAP MERGE BITMAP MINUS BITMAP OR BUFFER SORT CARTESIAN JOIN COLLECTION ITERATOR CONCATENATION CONNECT BY CONNECT BY PUMP COUNT COUNT STOPKEY CREATE AS SELECT CUBE SCAN DDL STATEMENT DELETE DOMAIN INDEX FAST FULL INDEX SCAN FILTER FIRST ROWS FIXED INDEX FIXED TABLE FOR UPDATE FULL INDEX SCAN FULL INDEX SCAN DESCENDING FULL INDEX SCAN (MIN/MAX) HASH GROUP BY HASH GROUP BY PIVOT HASH JOIN HASH JOIN BUFFERED HASH PARTITION HASH UNIQUE INDEX INDEX BUILD NON UNIQUE INDEX RANGE SCAN INDEX RANGE SCAN DESCENDING INDEX RANGE SCAN (MIN/MAX) INDEX SAMPLE FAST FULL SCAN INDEX SKIP SCAN INDEX SKIP SCAN DESCENDING INDEX UNIQUE SCAN INLIST ITERATOR INLIST PARTITION INSERT INTERSECTION INTO INVALID PARTITION ITERATOR PARTITION LOAD AS SELECT MAT_VIEW ACCESS MAT_VIEW REWRITE ACCESS MERGE JOIN MINUS MULTI-TABLE INSERT NESTED LOOPS OUTER JOIN PARTITION PARTITION HASH EMPTY PARTITION LIST PARTITION RANGE PROJECTION PX BLOCK ITERATOR PX COORDINATOR PX ITERATOR PX PARTITION PX PARTITION HASH ALL PX PARTITION LIST ALL PX PARTITION RANGE ALL PX RECEIVE PX SEND RANGE PARTITION RECURSIVE EXECUTION RECURSIVE WITH PUMP REFERENCE MODEL REMOTE SELECT SEMI JOIN SEQUENCE SINGLE PARTITION SINGLE RANGE PARTITION SORT SORT AGGREGATE SORT GROUP BY SORT GROUP BY CUBE SORT GROUP BY NOSORT SORT GROUP BY ROLLUP SORT JOIN SORT ORDER BY SORT UNIQUE SQL MODEL TABLE ACCESS TABLE ACCESS BY GLOBAL INDEX ROWID TABLE ACCESS BY INDEX ROWID TABLE ACCESS BY LOCAL INDEX ROWID TABLE ACCESS BY ROWID TABLE ACCESS BY USER ROWID TABLE ACCESS CLUSTER TABLE ACCESS FULL TABLE ACCESS HASH TABLE ACCESS SAMPLE TABLE QUEUE TEMP TABLE GENERATION TEMP TABLE TRANSFORMATION UNION UNION ALL UNION ALL (RECURSIVE WITH) UNPIVOT UPDATE VIEW VIEW PUSHED PREDICATE WINDOW
Optimize SQL
Create Optimize SQL Sessions Open Optimizer SQL Sessions Rewrite SQL Generate Execution Plan Alternatives
Optimize Indexes Batch Optimize SQL Scan SQL Inspect SGA Analyze Impact Manage Plans Configure Options SQL Optimizer Tutorials About Us Legal Notices

Deploy Outlines

This topic focuses on information that may be unfamiliar to you. It does not include all step and field descriptions.

To deploy an outline

  1. Select the Optimize SQL tab in the main window.

  2. Select a SQL Rewrite session.

  3. Right-click the alternative you want to deploy as an outline in the Alternatives pane and select Deploy Outline. The Deploy Outline window displays.

  4. Review the following for additional information:

    Outline name Enter a name for the stored outline.
    Category

    Click and select a previously created category or enter a new category name.

    Note: The default category name is SQL_OPTIMIZER.

  5. Click .

Notes:

  • The Deploy Outline function is only available for SQL Rewrite sessions in Optimize SQL.

  • Use the Outline Management feature in Manage Plans to move outlines to different categories.

 

Related Topics

About Optimizing SQL (SQL Rewrite)

 

Send SQL Back to Original Application

SQL Optimizer integrates with other Toad applications. You can send SQL from other Toad applications to SQL Optimizer in order to optimize the SQL statement.

In addition, after optimizing a SQL statement in a SQL Rewrite session, you can send an alternative SQL statement back to the original application.

To send an alternative SQL statement back to the original application

  • In a SQL Rewrite session, after execution, select an alternative SQL statement in the Alternatives list and then click .

 

  

 

Troubleshoot Optimization Results

After you optimize the original SQL statement and determine the best alternatives, you may find the performance of the selected statements unsatisfactory in your database environment.

To remedy this, check if SQL Optimizer has reached any of the optimization quotas for your original SQL statement. Select SQL Information in the Execution Plan pane and select Alert to view this information. Make adjustments to the intelligence, optimization, hints, or quota setting options if SQL Optimizer has reached any of the quotas. To access these settings, click and select Optimize SQL | Optimizer.

Additionally, review the execution plan of the original and optimized SQL statements to check if you need to change the database structure.

 

Related Topics

About Optimizing SQL (SQL Rewrite)

Optimize SQL Statements

Automatically Optimize SQL Statements

Generate Execution Plan Alternatives

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