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jonathanlewis.wordpress.com | ||
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www.xt-r.com
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| | | | | ?????? ????? ???? ????? ?? 11.2.0.3 ? ?????? ??????(V$SQL_HINT), ????? ?????? ?? ???????? ? ???? ??????? ???????, ??????? ??????????? ??????... | |
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hourim.wordpress.com
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| | | | | The last Jonathan Lewis post on RAC Planswhich finished by the following phrases: "If you're going to hard-code hints into a query then take a look at the outline it generates when it does the right thing, and that will tell you about the 15 or so hints you've missed out. (Better still, consider generating... | |
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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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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... | ||