May 2012
Intermediate to advanced
440 pages
9h 1m
English
Content preview from Oracle Advanced PL/SQL Developer Professional GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Implementing the result cache in SQL
As we learned earlier, the database must be configured to enable server-side result caching. Let us now go through illustrations of the result cache in SQL.
Manual result cache
If the result cache operation mode is set as MANUAL, the caching feature is known as manual result cache. Here, the user has to explicitly specify the RESULT_CACHE hint in order to cache the query result. The Oracle server would not automatically cache any result set.
The RESULT_CACHE_MODE parameter can be set by the DBA to enable manual result caching:
/*Connect as SYSDBA*/ Conn sys/system as sysdba Connected. /*Set the parameter as Manual*/ ALTER SYSTEM SET RESULT_CACHE_MODE=MANUAL / System altered.
We will flush the cache memory and shared ...
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