Commits in PL SQL

Hello world

May I know if there is a maximum or optimum of transactions which may occur before a commit is executed?

My problem is caused by the command commit not allowing the use of WHERE CURRENT OF in a loop for updating the current record. The result is a need for research through the large table (3 million records) again so that the record to current day.

(A side note is that using WHERE CURRENT OF reduce the execution time of the script from 20 min to 1 min for a test case 10 k.) A linear calculation means that 3 million records is gong to take 10 days...)

I suggest to my supervisor didn't commit until after the end of the loop, but I need some technical information to explain that it is better validation after validation or loop after each record. What is the advantage and disadavantage of the two of them?

Thanks in advance and sorry that I can not put the original script up due to privacy concerns...

Kind regards
phyrexians

BTW, WHERE COURSES use only the rowid, so if you want the same effect you could simply include the rowid in your cursor and replace WHERE CURRENT OF WHERE rowid = r.rwd. But if it was your code, it is highly likely, you can replace the entire construction with an appropriate SQL UPDATE statement.

Edited by: William Robertson on May 22, 2009 23:11

Tags: Database

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  to   space 5120K, 0% used [0x00000000f1600000,0x00000000f1600000,0x00000000f1b
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