On Oracle
Friday, May 23, 2014
Oracle 11g AUTO_SAMPLE_SIZE performance on Small Tables
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Oracle 11g enhanced DBMS_STATS.AUTO_SAMPLE_SIZE by a new algorithm in calculating NDV (see Blog: Improvement of AUTO sampling statistics ga...
Thursday, May 8, 2014
java stored procedure calls and latch: row cache objects, and performance
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In the last Blog, we demonstrated java stored procedure calls and latch: row cache objects. Is "latch: row cache objects" a real...
Wednesday, May 7, 2014
java stored procedure calls and latch: row cache objects
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Frequent calls of java stored procedure by PL/SQL causes heavy latch: row cache objects. (A previous Blog: dbms_aq.dequeue - latch: row ca...
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