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dincosman.com | ||
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kerryosborne.oracle-guy.com
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jonathanlewis.wordpress.com
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| | | | | Here's a simple detail about bind peeking (during optimisation) that makes a big difference to "fetch first/next" queries. The optimizer knows about your bind types, and can peek at the bind values - but that doesn't mean it will do something sensible with them. Here's a little model to demonstrate the problem - starting with... | |
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antognini.ch
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connor-mcdonald.com
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| | | Ever heard of a BAND join? It's not actually new, it has been around since 12.2. Jonathan Lewis wrote up a nice post on it was back in 2017 but in a nutshell MERGE join done without a band join SQL> select 2 e1.last_name|| ' has salary roughly between '|| e2.last_name comparison 3 from 4... | ||
