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Orace tablespace extension operation

Could somebody clarify whether tablespace expansion procedure in Oracle 11g database requires any downtime or could impact availability of the database? My understanding that this can be done "on the ...
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1answer
208 views

Why we need auxiliary instance in TSPITR

Need help! I've read Database Backup and Recovery User's Guide 11g but I can't uderstand why we need auxiliary instance to perform tspitr. We can do complete recovery of tablespace within same ...