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  • Committer: Bazaar Package Importer
  • Author(s): Martin Pitt
  • Date: 2011-06-14 09:53:29 UTC
  • mto: (6.1.1 sid) (10.1.1 oneiric-proposed) (1.2.1)
  • mto: This revision was merged to the branch mainline in revision 5.
  • Revision ID: james.westby@ubuntu.com-20110614095329-71gfhjywyp2c27au
Tags: upstream-9.1~beta2
ImportĀ upstreamĀ versionĀ 9.1~beta2

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    <productname>PostgreSQL</productname> provides the
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    standard <acronym>SQL</acronym> type <type>boolean</type>;
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    see <xref linkend="datatype-boolean-table">.
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    The <type>boolean</type> type can have one of only two states:
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    <quote>true</quote> or <quote>false</quote>.  A third state,
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    <quote>unknown</quote>, is represented by the
 
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    The <type>boolean</type> type can have several states:
 
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    <quote>true</quote>, <quote>false</quote>, and a third state,
 
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    <quote>unknown</quote>, which is represented by the
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    <acronym>SQL</acronym> null value.
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   </para>
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