Search notes:

Oracle: Init parameter DB_CACHE_ADVICE

The value of db_cache_advice can be set to either of
on This is the default if statistics_level is typical or all
ready The advisory is turned off but the memory is allocated (so v$db_cache_advice can still be quried)
off This is the default if statistics_level is basic

See also

Setting db_cache_advice to on is a prerequisite for v$sga_target_advice to be populated (the other one is to set statistics_level to at least typical).
v$db_cache_advice
Other init parameters

Index

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