Parallel slaves blocking each other during CTAS with Parallel Clause

  • From: Prabhu Krishnaswamy <prabhu_adam@xxxxxxxxxxx>
  • To: "oracle-l@xxxxxxxxxxxxx" <oracle-l@xxxxxxxxxxxxx>
  • Date: Thu, 12 Dec 2013 18:10:03 +0000

Lists,
When we're creating a table using CTAS with parallel clause, we observed the 
parallel slave sessions are blocking each other. We are using this temp. table 
for the report purpose and before querying the temp table, it will be created 
with the required data. 
We are not sure during which phase its blocking each other. Is this the 
expected behavior or any way to avoid this lock. 
Highly appreciate any insight on this.
Thanks.Prabhu                                     

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