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@ -1,4 +1,4 @@ |
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<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.609 2009/03/27 19:17:11 mha Exp $ --> |
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<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.610 2009/03/27 22:39:42 momjian Exp $ --> |
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<!-- |
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<!-- |
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Typical markup: |
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Typical markup: |
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@ -421,8 +421,8 @@ do it for earlier branch release files. |
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<para> |
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<para> |
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While semi-joins merely replace existing IN joins, anti-joins |
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While semi-joins merely replace existing IN joins, anti-joins |
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are a new capability for NOT IN and NOT EXISTS clauses (Tom) |
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are a new capability for NOT EXISTS clauses (Tom) This improves |
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This improves optimization possibilities. |
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optimization possibilities. |
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</para> |
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</para> |
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</listitem> |
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</listitem> |
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