Monday, 12 September 2016

Oracle ANSI JOIN syntax improves peformance

Using ANSI JOIN syntax instead of Oracle Join snytax is recommended - see here:

We found out the hard way:

- a third party application issues simple but nested SQL statements against Map IM views
- for some views we noticed that the query ran for a long time and generated a time out 
- just by changing the JOIN syntax to ANSI join the issue was resolved

Map 2017

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