Oracle® Database SQL Reference 10g Release 2 (10.2) Part Number B14200-02 |
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Purpose
Use the ALTER
OUTLINE
statement to rename a stored outline, reassign it to a different category, or regenerate it by compiling the outline's SQL statement and replacing the old outline data with the outline created under current conditions.
See Also:
CREATE OUTLINE and Oracle Database Performance Tuning Guide for more information on outlinesPrerequisites
To modify an outline, you must have the ALTER
ANY
OUTLINE
system privilege.
Syntax
alter_outline::=
Semantics
PUBLIC | PRIVATE
Specify PUBLIC
if you want to modify the public version of this outline. This is the default.
Specify PRIVATE
if you want to modify an outline that is private to the current session and whose data is stored in the current parsing schema.
outline
Specify the name of the outline to be modified.
Specify REBUILD
to regenerate the execution plan for outline
using current conditions.
See Also:
"Rebuilding an Outline: Example"Use the RENAME
TO
clause to specify an outline name to replace outline
.
Use the CHANGE
CATEGORY
TO
clause to specify the name of the category into which the outline
will be moved.
ENABLE | DISABLE
Use this clause to selectively enable or disable this outline. Outlines are enabled by default. The DISABLE
keyword lets you disable one outline without affecting the use of other outlines.
Example
Rebuilding an Outline: Example The following statement regenerates a stored outline called salaries
by compiling the text of the outline and replacing the old outline data with the outline created under current conditions.
ALTER OUTLINE salaries REBUILD;