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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >The SQL Language</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REV="MADE" HREF="mailto:pgsql-docs@postgresql.org"><LINK REL="HOME" TITLE="PostgreSQL 9.2.24 Documentation" HREF="index.html"><LINK REL="UP" TITLE="Tutorial" HREF="tutorial.html"><LINK REL="PREVIOUS" TITLE="Accessing a Database" HREF="tutorial-accessdb.html"><LINK REL="NEXT" TITLE="Introduction" HREF="tutorial-sql-intro.html"><LINK REL="STYLESHEET" TYPE="text/css" HREF="stylesheet.css"><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=ISO-8859-1"><META NAME="creation" CONTENT="2017-11-06T22:43:11"></HEAD ><BODY CLASS="CHAPTER" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="5" ALIGN="center" VALIGN="bottom" ><A HREF="index.html" >PostgreSQL 9.2.24 Documentation</A ></TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A TITLE="Accessing a Database" HREF="tutorial-accessdb.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="tutorial.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="60%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="20%" ALIGN="right" VALIGN="top" ><A TITLE="Introduction" HREF="tutorial-sql-intro.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="CHAPTER" ><H1 ><A NAME="TUTORIAL-SQL" ></A >Chapter 2. The <ACRONYM CLASS="ACRONYM" >SQL</ACRONYM > Language</H1 ><DIV CLASS="TOC" ><DL ><DT ><B >Table of Contents</B ></DT ><DT >2.1. <A HREF="tutorial-sql-intro.html" >Introduction</A ></DT ><DT >2.2. <A HREF="tutorial-concepts.html" >Concepts</A ></DT ><DT >2.3. <A HREF="tutorial-table.html" >Creating a New Table</A ></DT ><DT >2.4. <A HREF="tutorial-populate.html" >Populating a Table With Rows</A ></DT ><DT >2.5. <A HREF="tutorial-select.html" >Querying a Table</A ></DT ><DT >2.6. <A HREF="tutorial-join.html" >Joins Between Tables</A ></DT ><DT >2.7. <A HREF="tutorial-agg.html" >Aggregate Functions</A ></DT ><DT >2.8. <A HREF="tutorial-update.html" >Updates</A ></DT ><DT >2.9. <A HREF="tutorial-delete.html" >Deletions</A ></DT ></DL ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="tutorial-accessdb.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="tutorial-sql-intro.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Accessing a Database</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="tutorial.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Introduction</TD ></TR ></TABLE ></DIV ></BODY ></HTML >