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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 >CREATE USER MAPPING</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="SQL Commands" HREF="sql-commands.html"><LINK REL="PREVIOUS" TITLE="CREATE USER" HREF="sql-createuser.html"><LINK REL="NEXT" TITLE="CREATE VIEW" HREF="sql-createview.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="REFENTRY" ><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="CREATE USER" HREF="sql-createuser.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="10%" ALIGN="left" VALIGN="top" ><A HREF="sql-commands.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="60%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="20%" ALIGN="right" VALIGN="top" ><A TITLE="CREATE VIEW" HREF="sql-createview.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SQL-CREATEUSERMAPPING" ></A >CREATE USER MAPPING</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN72581" ></A ><H2 >Name</H2 >CREATE USER MAPPING -- define a new mapping of a user to a foreign server</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN72586" ></A ><H2 >Synopsis</H2 ><PRE CLASS="SYNOPSIS" >CREATE USER MAPPING FOR { <TT CLASS="REPLACEABLE" ><I >user_name</I ></TT > | USER | CURRENT_USER | PUBLIC } SERVER <TT CLASS="REPLACEABLE" ><I >server_name</I ></TT > [ OPTIONS ( <TT CLASS="REPLACEABLE" ><I >option</I ></TT > '<TT CLASS="REPLACEABLE" ><I >value</I ></TT >' [ , ... ] ) ]</PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN72592" ></A ><H2 >Description</H2 ><P > <TT CLASS="COMMAND" >CREATE USER MAPPING</TT > defines a mapping of a user to a foreign server. A user mapping typically encapsulates connection information that a foreign-data wrapper uses together with the information encapsulated by a foreign server to access an external data resource. </P ><P > The owner of a foreign server can create user mappings for that server for any user. Also, a user can create a user mapping for his own user name if <TT CLASS="LITERAL" >USAGE</TT > privilege on the server has been granted to the user. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN72598" ></A ><H2 >Parameters</H2 ><P ></P ><DIV CLASS="VARIABLELIST" ><DL ><DT ><TT CLASS="REPLACEABLE" ><I >user_name</I ></TT ></DT ><DD ><P > The name of an existing user that is mapped to foreign server. <TT CLASS="LITERAL" >CURRENT_USER</TT > and <TT CLASS="LITERAL" >USER</TT > match the name of the current user. When <TT CLASS="LITERAL" >PUBLIC</TT > is specified, a so-called public mapping is created that is used when no user-specific mapping is applicable. </P ></DD ><DT ><TT CLASS="REPLACEABLE" ><I >server_name</I ></TT ></DT ><DD ><P > The name of an existing server for which the user mapping is to be created. </P ></DD ><DT ><TT CLASS="LITERAL" >OPTIONS ( <TT CLASS="REPLACEABLE" ><I >option</I ></TT > '<TT CLASS="REPLACEABLE" ><I >value</I ></TT >' [, ... ] )</TT ></DT ><DD ><P > This clause specifies the options of the user mapping. The options typically define the actual user name and password of the mapping. Option names must be unique. The allowed option names and values are specific to the server's foreign-data wrapper. </P ></DD ></DL ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN72621" ></A ><H2 >Examples</H2 ><P > Create a user mapping for user <TT CLASS="LITERAL" >bob</TT >, server <TT CLASS="LITERAL" >foo</TT >: </P><PRE CLASS="PROGRAMLISTING" >CREATE USER MAPPING FOR bob SERVER foo OPTIONS (user 'bob', password 'secret');</PRE ><P></P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN72627" ></A ><H2 >Compatibility</H2 ><P > <TT CLASS="COMMAND" >CREATE USER MAPPING</TT > conforms to ISO/IEC 9075-9 (SQL/MED). </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN72631" ></A ><H2 >See Also</H2 ><A HREF="sql-alterusermapping.html" >ALTER USER MAPPING</A >, <A HREF="sql-dropusermapping.html" >DROP USER MAPPING</A >, <A HREF="sql-createforeigndatawrapper.html" >CREATE FOREIGN DATA WRAPPER</A >, <A HREF="sql-createserver.html" >CREATE SERVER</A ></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="sql-createuser.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="sql-createview.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >CREATE USER</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="sql-commands.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >CREATE VIEW</TD ></TR ></TABLE ></DIV ></BODY ></HTML >