7.2 KEEP Buffer Pool

You can use the KEEP buffer pool to keep frequently accessed tables persistent in the buffer pool.

• Overview of Using the KEEP Buffer Pool with True Cache
  You can assign different objects to the KEEP buffer pool on different True Caches.
• Configuring DB_KEEP_CACHE_SIZE on True Cache
  To configure the KEEP buffer pool on True Cache, set the DB_KEEP_CACHE_SIZE initialization parameter to a large size (such as 10 GB).
• Assigning Objects to the KEEP Buffer Pool for True Cache
  After configuring the KEEP buffer pool, assign the object to the KEEP buffer pool for True Cache.
• Removing an Object's KEEP Buffer Pool Assignment for True Cache
  You can use DBMS_CACHEUTIL.TRUE_CACHE_UNKEEP() to remove objects from the KEEP buffer pool.
• Viewing a List of KEEP Objects on True Cache
  Use the V$TRUE_CACHE_KEEP view to see which objects are assigned to the KEEP buffer cache for True Cache.