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www.bobbydurrettdba.com | ||
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oracle-randolf.blogspot.com
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| | | | | When attempting to display only the first n rows of a result set that is ordered the Oracle optimizer offers special optimizations for these... | |
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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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www.dbaglobe.com
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| | | | | A blog about on new technologie. Hands-on note about Hadoop, Cloudera, Hortonworks, NoSQL, Cassandra, Neo4j, MongoDB, Oracle, SQL Server, Linux, etc. | |
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www.xt-r.com
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| | | ????????? ???? ????? ?? ?????? ??????, ??? ?????????? ??????????, ??????, ???????, ????? ? ??????? ??????????? ?????? : ???? ????? ????????... | ||
