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Add NULL space mention.
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doc/FAQ
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doc/FAQ
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Frequently Asked Questions (FAQ) for PostgreSQL
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Frequently Asked Questions (FAQ) for PostgreSQL
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Last updated: Mon Jun 24 23:35:08 EDT 2002
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Last updated: Thu Jul 4 15:25:57 EDT 2002
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Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
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Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
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Indexes do not require as much overhead, but do contain the data that
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Indexes do not require as much overhead, but do contain the data that
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is being indexed, so they can be large also.
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is being indexed, so they can be large also.
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NULLs are stored in bitmaps, so they use very little space.
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4.7) How do I find out what tables, indexes, databases, and users are
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4.7) How do I find out what tables, indexes, databases, and users are
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defined?
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defined?
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alink="#0000ff">
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alink="#0000ff">
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<H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1>
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<H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1>
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<P>Last updated: Mon Jun 24 23:35:08 EDT 2002</P>
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<P>Last updated: Thu Jul 4 15:25:57 EDT 2002</P>
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<P>Current maintainer: Bruce Momjian (<A href=
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<P>Current maintainer: Bruce Momjian (<A href=
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"mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>)<BR>
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"mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>)<BR>
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<P>Indexes do not require as much overhead, but do contain the data
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<P>Indexes do not require as much overhead, but do contain the data
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that is being indexed, so they can be large also.</P>
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that is being indexed, so they can be large also.</P>
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<P><SMALL>NULL</SMALL>s are stored in bitmaps, so they
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use very little space.</P>
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<H4><A name="4.7">4.7</A>) How do I find out what tables, indexes,
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<H4><A name="4.7">4.7</A>) How do I find out what tables, indexes,
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databases, and users are defined?</H4>
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databases, and users are defined?</H4>
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