The Library is currently in the process of being upgraded from Oracle Database Version 18.104.22.168 to 22.214.171.124.
Demos are being upgraded to reflect the new Container paradigm as well as EBR (Edition Based Redefinition) and may contain references to CDBs, PDBs,
and other objects you may not be familiar with such as CDB_OBJECTS_AE: Welcome to 12c.
Also important ... there are rumors on the web about SPARC and Solaris being discontinued. Welcome to the age of fake news.
There is absolutely not a byte of truth to these irresponsible rumors.
Provides interfaces for managing In-Memory Expressions (IM expressions) and the In-Memory FastStart (IM FastStart) area.
Analytic queries often contain complex expressions or calculations that can consume significant CPU and memory during execution.
Use DBMS_INMEMORY_ADMIN procedure to identify these frequently used (“hot”) expressions and populate them in the IM column store. In this way, the database avoids repeated computations and improves performance.
SELECT dl.owner, dl.segment_name, SUM(ds.bytes)/1024/1024 MB
FROM dba_logs dl, dba_segments ds
WHERE dl.segment_name = ds.segment_name
AND dl.tablespace_name = 'UWFS'
GROUP BY dl.owner, dl.segment_name;