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jonathanlewis.wordpress.com | ||
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tonyhasler.wordpress.com
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| | | | | When a table is accessed by multiple members of a parallel query server set, the execution plan may show the use of block range granules (PX BLOCK ITERATOR) or partition granules (PX PARTITION [RANGE|LIST|HASH] ITERATOR or PX PARTITION [RANGE|LIST|HASH] ALL). The basic ideas surrounding these concepts are discussed in numerous blogs and books, including my... | |
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www.bobbydurrettdba.com
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| | | | | I've uploaded a monitoring script that I have worked on: zip. The script alerts you when the optimizer runs a SQL statement with a potentially new and inefficient plan so you can intervene. ... | |
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kerryosborne.oracle-guy.com
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jonathanlewis.wordpress.com
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| | | There is some confusion about the expression "clean" in Oracle circles, so I thought I'd write a short note to explain the different ways in which the word may be applied to Oracle blocks. There are five terms to consider: clean commit cleanout block cleanout delayed block cleanout delayed logging block cleanout Clean: A block... | ||
