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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 >Embedded SQL Commands</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="ECPG - Embedded SQL in C" HREF="ecpg.html"><LINK REL="PREVIOUS" TITLE="C++ Applications" HREF="ecpg-cpp.html"><LINK REL="NEXT" TITLE="ALLOCATE DESCRIPTOR" HREF="ecpg-sql-allocate-descriptor.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="SECT1" ><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="C++ Applications" HREF="ecpg-cpp.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="ecpg.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="60%" ALIGN="center" VALIGN="bottom" >Chapter 33. <SPAN CLASS="APPLICATION" >ECPG</SPAN > - Embedded <ACRONYM CLASS="ACRONYM" >SQL</ACRONYM > in C</TD ><TD WIDTH="20%" ALIGN="right" VALIGN="top" ><A TITLE="ALLOCATE DESCRIPTOR" HREF="ecpg-sql-allocate-descriptor.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="ECPG-SQL-COMMANDS" >33.14. Embedded SQL Commands</A ></H1 ><DIV CLASS="TOC" ><DL ><DT ><B >Table of Contents</B ></DT ><DT ><A HREF="ecpg-sql-allocate-descriptor.html" >ALLOCATE DESCRIPTOR</A > -- allocate an SQL descriptor area</DT ><DT ><A HREF="ecpg-sql-connect.html" >CONNECT</A > -- establish a database connection</DT ><DT ><A HREF="ecpg-sql-deallocate-descriptor.html" >DEALLOCATE DESCRIPTOR</A > -- deallocate an SQL descriptor area</DT ><DT ><A HREF="ecpg-sql-declare.html" >DECLARE</A > -- define a cursor</DT ><DT ><A HREF="ecpg-sql-describe.html" >DESCRIBE</A > -- obtain information about a prepared statement or result set</DT ><DT ><A HREF="ecpg-sql-disconnect.html" >DISCONNECT</A > -- terminate a database connection</DT ><DT ><A HREF="ecpg-sql-execute-immediate.html" >EXECUTE IMMEDIATE</A > -- dynamically prepare and execute a statement</DT ><DT ><A HREF="ecpg-sql-get-descriptor.html" >GET DESCRIPTOR</A > -- get information from an SQL descriptor area</DT ><DT ><A HREF="ecpg-sql-open.html" >OPEN</A > -- open a dynamic cursor</DT ><DT ><A HREF="ecpg-sql-prepare.html" >PREPARE</A > -- prepare a statement for execution</DT ><DT ><A HREF="ecpg-sql-set-autocommit.html" >SET AUTOCOMMIT</A > -- set the autocommit behavior of the current session</DT ><DT ><A HREF="ecpg-sql-set-connection.html" >SET CONNECTION</A > -- select a database connection</DT ><DT ><A HREF="ecpg-sql-set-descriptor.html" >SET DESCRIPTOR</A > -- set information in an SQL descriptor area</DT ><DT ><A HREF="ecpg-sql-type.html" >TYPE</A > -- define a new data type</DT ><DT ><A HREF="ecpg-sql-var.html" >VAR</A > -- define a variable</DT ><DT ><A HREF="ecpg-sql-whenever.html" >WHENEVER</A > -- specify the action to be taken when an SQL statement causes a specific class condition to be raised</DT ></DL ></DIV ><P > This section describes all SQL commands that are specific to embedded SQL. Also refer to the SQL commands listed in <A HREF="sql-commands.html" >Reference I, <I >SQL Commands</I ></A >, which can also be used in embedded SQL, unless stated otherwise. </P ></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="ecpg-cpp.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="ecpg-sql-allocate-descriptor.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><ACRONYM CLASS="ACRONYM" >C++</ACRONYM > Applications</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ecpg.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >ALLOCATE DESCRIPTOR</TD ></TR ></TABLE ></DIV ></BODY ></HTML >