If you want to count something inside a group (something the same as auto_increment from mysql), you can use row_number
ROW_NUMBER ()
OVER (PARTITION BY ur_prnt_uid_id ORDER BY ur_chld_uid_id)
Flashback a Pluggable Database in RAC with Data Guard
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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...
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