6.450 USER_IM_EXPRESSIONS
USER_IM_EXPRESSIONS
provides information about the list of expressions (SYS_IME virtual columns) that are currently enabled for in-memory storage in schemas owned by the current user. Its columns (except for OWNER
) are the same as those in DBA_IM_EXPRESSIONS
.
Typically, you can query this view after invoking the DBMS_INMEMORY_ADMIN.IME_CAPTURE_EXPRESSIONS
PL/SQL procedure to see the list of hot expressions added to tables owned by you across the database.
Based on this view, you can:
-
Populate expressions on a particular table immediately
-
Drop certain expressions that are marked for in-memory but not desired by you
See Also: