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savvinov.com | ||
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kerryosborne.oracle-guy.com
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hourim.wordpress.com
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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dincosman.com
The performance issue with an SQL query was resolved by using the /*+ PARALLEL(2) */ hint, reducing execution time from 180-200 seconds to milliseconds. The decision to perform a direct read from disk to memory instead of reading blocks from disk was made by the database engine and is controlled by the hidden "_serial_direct_read" parameter.... |
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oracle-randolf.blogspot.com
Starting with version 12c Oracle obviously has introduced another parallel distribution method for direct path loads (applicable to INSERT A... |
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