Improve two 9.2 release note items.
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@ -404,6 +404,7 @@
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</para>
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<para>
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This is often called "index-only scans" or "covering indexes".
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This is possible for heap pages with exclusively all-visible
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tuples, as reported by the visibility map.
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</para>
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@ -426,7 +427,7 @@
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<listitem>
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<para>
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Reduce overhead of creating virtual transaction id locks ((Robert
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Reduce overhead of creating virtual transaction id locks (Robert
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Haas, Jeff Davis)
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</para>
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</listitem>
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