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>PostgreSQL 9.2.24 Documentation</TITLE
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><DIV
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><H1
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><A
NAME="POSTGRES"
>PostgreSQL 9.2.24 Documentation</A
></H1
><H3
CLASS="CORPAUTHOR"
>The PostgreSQL Global Development Group</H3
><P
CLASS="COPYRIGHT"
><A
HREF="LEGALNOTICE.html"
>Copyright</A
> © 1996-2017 The PostgreSQL Global Development Group</P
><HR></DIV
><DIV
CLASS="TOC"
><DL
><DT
><B
>Table of Contents</B
></DT
><DT
><A
HREF="preface.html"
>Preface</A
></DT
><DD
><DL
><DT
><A
HREF="intro-whatis.html"
>What is <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
>?</A
></DT
><DT
><A
HREF="history.html"
>A Brief History of <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
></A
></DT
><DT
><A
HREF="notation.html"
>Conventions</A
></DT
><DT
><A
HREF="resources.html"
>Further Information</A
></DT
><DT
><A
HREF="bug-reporting.html"
>Bug Reporting Guidelines</A
></DT
></DL
></DD
><DT
>I. <A
HREF="tutorial.html"
>Tutorial</A
></DT
><DD
><DL
><DT
>1. <A
HREF="tutorial-start.html"
>Getting Started</A
></DT
><DT
>2. <A
HREF="tutorial-sql.html"
>The <ACRONYM
CLASS="ACRONYM"
>SQL</ACRONYM
> Language</A
></DT
><DT
>3. <A
HREF="tutorial-advanced.html"
>Advanced Features</A
></DT
></DL
></DD
><DT
>II. <A
HREF="sql.html"
>The SQL Language</A
></DT
><DD
><DL
><DT
>4. <A
HREF="sql-syntax.html"
>SQL Syntax</A
></DT
><DT
>5. <A
HREF="ddl.html"
>Data Definition</A
></DT
><DT
>6. <A
HREF="dml.html"
>Data Manipulation</A
></DT
><DT
>7. <A
HREF="queries.html"
>Queries</A
></DT
><DT
>8. <A
HREF="datatype.html"
>Data Types</A
></DT
><DT
>9. <A
HREF="functions.html"
>Functions and Operators</A
></DT
><DT
>10. <A
HREF="typeconv.html"
>Type Conversion</A
></DT
><DT
>11. <A
HREF="indexes.html"
>Indexes</A
></DT
><DT
>12. <A
HREF="textsearch.html"
>Full Text Search</A
></DT
><DT
>13. <A
HREF="mvcc.html"
>Concurrency Control</A
></DT
><DT
>14. <A
HREF="performance-tips.html"
>Performance Tips</A
></DT
></DL
></DD
><DT
>III. <A
HREF="admin.html"
>Server Administration</A
></DT
><DD
><DL
><DT
>15. <A
HREF="installation.html"
>Installation from Source Code</A
></DT
><DT
>16. <A
HREF="install-windows.html"
>Installation from Source Code on <SPAN
CLASS="PRODUCTNAME"
>Windows</SPAN
></A
></DT
><DT
>17. <A
HREF="runtime.html"
>Server Setup and Operation</A
></DT
><DT
>18. <A
HREF="runtime-config.html"
>Server Configuration</A
></DT
><DT
>19. <A
HREF="client-authentication.html"
>Client Authentication</A
></DT
><DT
>20. <A
HREF="user-manag.html"
>Database Roles</A
></DT
><DT
>21. <A
HREF="managing-databases.html"
>Managing Databases</A
></DT
><DT
>22. <A
HREF="charset.html"
>Localization</A
></DT
><DT
>23. <A
HREF="maintenance.html"
>Routine Database Maintenance Tasks</A
></DT
><DT
>24. <A
HREF="backup.html"
>Backup and Restore</A
></DT
><DT
>25. <A
HREF="high-availability.html"
>High Availability, Load Balancing, and Replication</A
></DT
><DT
>26. <A
HREF="recovery-config.html"
>Recovery Configuration</A
></DT
><DT
>27. <A
HREF="monitoring.html"
>Monitoring Database Activity</A
></DT
><DT
>28. <A
HREF="diskusage.html"
>Monitoring Disk Usage</A
></DT
><DT
>29. <A
HREF="wal.html"
>Reliability and the Write-Ahead Log</A
></DT
><DT
>30. <A
HREF="regress.html"
>Regression Tests</A
></DT
></DL
></DD
><DT
>IV. <A
HREF="client-interfaces.html"
>Client Interfaces</A
></DT
><DD
><DL
><DT
>31. <A
HREF="libpq.html"
><SPAN
CLASS="APPLICATION"
>libpq</SPAN
> - C Library</A
></DT
><DT
>32. <A
HREF="largeobjects.html"
>Large Objects</A
></DT
><DT
>33. <A
HREF="ecpg.html"
><SPAN
CLASS="APPLICATION"
>ECPG</SPAN
> - Embedded <ACRONYM
CLASS="ACRONYM"
>SQL</ACRONYM
> in C</A
></DT
><DT
>34. <A
HREF="information-schema.html"
>The Information Schema</A
></DT
></DL
></DD
><DT
>V. <A
HREF="server-programming.html"
>Server Programming</A
></DT
><DD
><DL
><DT
>35. <A
HREF="extend.html"
>Extending <ACRONYM
CLASS="ACRONYM"
>SQL</ACRONYM
></A
></DT
><DT
>36. <A
HREF="triggers.html"
>Triggers</A
></DT
><DT
>37. <A
HREF="rules.html"
>The Rule System</A
></DT
><DT
>38. <A
HREF="xplang.html"
>Procedural Languages</A
></DT
><DT
>39. <A
HREF="plpgsql.html"
><SPAN
CLASS="APPLICATION"
>PL/pgSQL</SPAN
> - <ACRONYM
CLASS="ACRONYM"
>SQL</ACRONYM
> Procedural Language</A
></DT
><DT
>40. <A
HREF="pltcl.html"
>PL/Tcl - Tcl Procedural Language</A
></DT
><DT
>41. <A
HREF="plperl.html"
>PL/Perl - Perl Procedural Language</A
></DT
><DT
>42. <A
HREF="plpython.html"
>PL/Python - Python Procedural Language</A
></DT
><DT
>43. <A
HREF="spi.html"
>Server Programming Interface</A
></DT
></DL
></DD
><DT
>VI. <A
HREF="reference.html"
>Reference</A
></DT
><DD
><DL
><DT
>I. <A
HREF="sql-commands.html"
>SQL Commands</A
></DT
><DT
>II. <A
HREF="reference-client.html"
>PostgreSQL Client Applications</A
></DT
><DT
>III. <A
HREF="reference-server.html"
>PostgreSQL Server Applications</A
></DT
></DL
></DD
><DT
>VII. <A
HREF="internals.html"
>Internals</A
></DT
><DD
><DL
><DT
>44. <A
HREF="overview.html"
>Overview of PostgreSQL Internals</A
></DT
><DT
>45. <A
HREF="catalogs.html"
>System Catalogs</A
></DT
><DT
>46. <A
HREF="protocol.html"
>Frontend/Backend Protocol</A
></DT
><DT
>47. <A
HREF="source.html"
>PostgreSQL Coding Conventions</A
></DT
><DT
>48. <A
HREF="nls.html"
>Native Language Support</A
></DT
><DT
>49. <A
HREF="plhandler.html"
>Writing A Procedural Language Handler</A
></DT
><DT
>50. <A
HREF="fdwhandler.html"
>Writing A Foreign Data Wrapper</A
></DT
><DT
>51. <A
HREF="geqo.html"
>Genetic Query Optimizer</A
></DT
><DT
>52. <A
HREF="indexam.html"
>Index Access Method Interface Definition</A
></DT
><DT
>53. <A
HREF="gist.html"
>GiST Indexes</A
></DT
><DT
>54. <A
HREF="spgist.html"
>SP-GiST Indexes</A
></DT
><DT
>55. <A
HREF="gin.html"
>GIN Indexes</A
></DT
><DT
>56. <A
HREF="storage.html"
>Database Physical Storage</A
></DT
><DT
>57. <A
HREF="bki.html"
><ACRONYM
CLASS="ACRONYM"
>BKI</ACRONYM
> Backend Interface</A
></DT
><DT
>58. <A
HREF="planner-stats-details.html"
>How the Planner Uses Statistics</A
></DT
></DL
></DD
><DT
>VIII. <A
HREF="appendixes.html"
>Appendixes</A
></DT
><DD
><DL
><DT
>A. <A
HREF="errcodes-appendix.html"
><SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> Error Codes</A
></DT
><DT
>B. <A
HREF="datetime-appendix.html"
>Date/Time Support</A
></DT
><DT
>C. <A
HREF="sql-keywords-appendix.html"
><ACRONYM
CLASS="ACRONYM"
>SQL</ACRONYM
> Key Words</A
></DT
><DT
>D. <A
HREF="features.html"
>SQL Conformance</A
></DT
><DT
>E. <A
HREF="release.html"
>Release Notes</A
></DT
><DT
>F. <A
HREF="contrib.html"
>Additional Supplied Modules</A
></DT
><DT
>G. <A
HREF="contrib-prog.html"
>Additional Supplied Programs</A
></DT
><DT
>H. <A
HREF="external-projects.html"
>External Projects</A
></DT
><DT
>I. <A
HREF="sourcerepo.html"
>The Source Code Repository</A
></DT
><DT
>J. <A
HREF="docguide.html"
>Documentation</A
></DT
><DT
>K. <A
HREF="acronyms.html"
>Acronyms</A
></DT
></DL
></DD
><DT
><A
HREF="biblio.html"
>Bibliography</A
></DT
><DT
><A
HREF="bookindex.html"
>Index</A
></DT
></DL
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