In case you have an oracle exadata database machine, always use 100% percent for collecting optimizer statistics on your tables/schemas , in order to benefit from the smart scans .
http://uhesse.com/2012/07/04/no-smart-scan-with-auto_sample_size/
Flashback a Pluggable Database in RAC with Data Guard
-
I have published a new video Flashback PDB in RAC with DG.
Here are some important considerations / commands when you want to use
Flashback :
1. Ensur...
Acum o zi
Niciun comentariu:
Trimiteți un comentariu