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oracletoday.blogspot.com | ||
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www.dbaglobe.com
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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afatkulin.blogspot.com
In my previous blog post I've explained a nice little feature introduced to Oracle Text Context indexes in 11G which allows you to do effic... |
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rwijk.blogspot.com
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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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