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/
Configuring a RAC Service tied to a PDB and specific Instance
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I have created a new *Video demonstrating how you can add new Services to
an existing database*. In RAC, you can choose to have the Service running
on ...
Acum 6 ore
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