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tanelpoder.com | ||
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jonathanlewis.wordpress.com
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| | | | | I've discussed the capabilities of the dbms_xplan package in a couple of posts already; and shown how useful it can be in two examples: understanding a problem with filter subquery selectivity and understanding why some Cartesian merge joins were appearing unexpectedly. Let me make a crucial point about execution plans (again): if you have a... | |
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optimizermagic.blogspot.com
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| | | | | This blog post has moved here http://blogs.oracle.com/optimizer/entry/whats_changed_between_my_new_query_plan_and_the_old_one | |
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nenadnoveljic.com
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| | | | | A frequently executed SQL causes problems with the initial incremental statistics calculation. | |
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afatkulin.blogspot.com
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| | | Most people are aware of the implication hot backup puts on your redo stream. They'll tell you that on first modification Oracle will dump t... | ||
