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ORA-02049 and ORA-02063 Errors

Select For UPDATE NOWAIT is Performed on Table by 20 process in Parallel Below error is returned by the 4 failed processes out of 20 (16 Processes are Successful) SQL_UPDATE_ERROR- : SQL update ...
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1answer
62 views

Oracle user locks (dbms_lock): guaranteed order of requests granted?

I was wondering if Oracle guarantees that the sequence of dbms_lock.request granted is the same as the sequence in which they were requested. In my tests it always was the case, but I couldn't find ...
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695 views

Oracle Transaction recovery: lock conflict caught and ignored

In alert log there are a lot of "Transaction recovery: lock conflict caught and ignored" statements. I've found some information, that this error is caused when there is an active dead transaction. ...