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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
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INVALID PARTITION

Execution plan image: image\Plan_Partition_Inlist.gif

Partition operation.

The INVALID PARTITION operation returns if partition set being accessed is empty.

 

Related Topics

 

ITERATOR PARTITION

Execution plan image: image\Plan_Partition_Iterator.gif   

Partition operation.

Accesses multiple partitions. Iterates over the operation below it, for each partition in the range given by the PARTITION_START and PARTITION_STOP columns.

 

Related Topics

 

LOAD AS SELECT

Execution Plan image: image\Plan_Select_Stmt.gif

Row operation.

LOAD AS SELECT bypasses the buffer cache when performing a direct path load based on a SELECT statement.

An Execution plan will denote the presence of a direct load operation with the LOAD AS SELECT operation:

Rows

Execution Plan

0

SELECT STATEMENT GOAL: CHOOSE

0

LOAD AS SELECT

0

TABLE ACCESS (FULL) OF 'CUSTOMERS'

 

MAT_VIEW ACCESS

Operation: MAT_VIEW ACCESS

 

Option: BY INDEX ROWID

The MAT_VIEW ACCESS BY INDEX ROWID operation retrieves data from a materialized view based on index ROWIDs.

 

Option: BY ROWID RANGE

The MAT_VIEW ACCESS BY ROWID RANGE operation retrieves data from a materialized view based on a provided range of ROWIDs.

 

Option: BY USER ROWID

The MAT_VIEW ACCESS BY USER ROWID operation retrieves data from a materialized view based on a specific ROWID.

 

Option: FULL

The MAT_VIEW ACCESS FULL operation retrieves data based on a full table scan of a materialized view.

 

Option: SAMPLE

The MAT_VIEW ACCESS SAMPLE operation retrieves data based on a full table sample scan of a materialized view.

 

Option: SAMPLE BY ROWID RANGE

The MAT_VIEW ACCESS SAMPLE BY ROWID RANGE operation retrieves data based on a full table sample scan for a provided range of ROWIDs of a materialized view.

 

  

 

 

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