1. Oracle Database 21c New Features
  2. Performance and High Availability
  3. Database In-Memory
 

CellMemory Level

You can use the CellMemory feature without enabling the IM column store by setting INMEMORY_FORCE=CELLMEMORY_LEVEL and INMEMORY_SIZE=0.

This feature allows you to use CellMemory without incurring the overhead of enabling the IM column store.

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