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In-Memory expression and last used time

zizu#1985Mar 2 2020 — edited Mar 2 2020

My database version is 12.2.

I'have captured and populated In-Memory Expression.

I would like to drop not used and I wonder which are not used

1. Is there any way to identify last time when In-Memory expression was last used?

2. If I have expression captured from database creation and capture new, but only from last 24h ; new expressions will overwrite the old one ?

Regards,

Tomasz Ziss

Added on Mar 2 2020

#database-in-memory, #database-key-features

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