Answer Posted / shiv prakash tiwari

Only transparent tables and pooled tables can be buffered.
Cluster tables cannot be buffered.

The following two points speak against table buffering:-

1: The data read by the application must always be
up-to-date. Delays caused by the synchronization mechanism
cannot be accepted.

2: The table data is frequently modified. In this case the
cost of synchronization could be greater than the gain in
performance resulting from buffering. Roughly speaking, it
does not make sense to buffer a table if more than one
percent of the accesses to the table are modifying accesses.

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