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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 >ALTER DEFAULT PRIVILEGES</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="ALTER DATABASE" HREF="sql-alterdatabase.html"><LINK REL="NEXT" TITLE="ALTER DOMAIN" HREF="sql-alterdomain.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="ALTER DATABASE" HREF="sql-alterdatabase.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="ALTER DOMAIN" HREF="sql-alterdomain.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SQL-ALTERDEFAULTPRIVILEGES" ></A >ALTER DEFAULT PRIVILEGES</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN62764" ></A ><H2 >Name</H2 >ALTER DEFAULT PRIVILEGES -- define default access privileges</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN62769" ></A ><H2 >Synopsis</H2 ><PRE CLASS="SYNOPSIS" >ALTER DEFAULT PRIVILEGES [ FOR { ROLE | USER } <TT CLASS="REPLACEABLE" ><I >target_role</I ></TT > [, ...] ] [ IN SCHEMA <TT CLASS="REPLACEABLE" ><I >schema_name</I ></TT > [, ...] ] <TT CLASS="REPLACEABLE" ><I >abbreviated_grant_or_revoke</I ></TT > <SPAN CLASS="phrase" ><SPAN CLASS="PHRASE" >where <TT CLASS="REPLACEABLE" ><I >abbreviated_grant_or_revoke</I ></TT > is one of:</SPAN ></SPAN > GRANT { { SELECT | INSERT | UPDATE | DELETE | TRUNCATE | REFERENCES | TRIGGER } [, ...] | ALL [ PRIVILEGES ] } ON TABLES TO { [ GROUP ] <TT CLASS="REPLACEABLE" ><I >role_name</I ></TT > | PUBLIC } [, ...] [ WITH GRANT OPTION ] GRANT { { USAGE | SELECT | UPDATE } [, ...] | ALL [ PRIVILEGES ] } ON SEQUENCES TO { [ GROUP ] <TT CLASS="REPLACEABLE" ><I >role_name</I ></TT > | PUBLIC } [, ...] [ WITH GRANT OPTION ] GRANT { EXECUTE | ALL [ PRIVILEGES ] } ON FUNCTIONS TO { [ GROUP ] <TT CLASS="REPLACEABLE" ><I >role_name</I ></TT > | PUBLIC } [, ...] [ WITH GRANT OPTION ] GRANT { USAGE | ALL [ PRIVILEGES ] } ON TYPES TO { [ GROUP ] <TT CLASS="REPLACEABLE" ><I >role_name</I ></TT > | PUBLIC } [, ...] [ WITH GRANT OPTION ] REVOKE [ GRANT OPTION FOR ] { { SELECT | INSERT | UPDATE | DELETE | TRUNCATE | REFERENCES | TRIGGER } [, ...] | ALL [ PRIVILEGES ] } ON TABLES FROM { [ GROUP ] <TT CLASS="REPLACEABLE" ><I >role_name</I ></TT > | PUBLIC } [, ...] [ CASCADE | RESTRICT ] REVOKE [ GRANT OPTION FOR ] { { USAGE | SELECT | UPDATE } [, ...] | ALL [ PRIVILEGES ] } ON SEQUENCES FROM { [ GROUP ] <TT CLASS="REPLACEABLE" ><I >role_name</I ></TT > | PUBLIC } [, ...] [ CASCADE | RESTRICT ] REVOKE [ GRANT OPTION FOR ] { EXECUTE | ALL [ PRIVILEGES ] } ON FUNCTIONS FROM { [ GROUP ] <TT CLASS="REPLACEABLE" ><I >role_name</I ></TT > | PUBLIC } [, ...] [ CASCADE | RESTRICT ] REVOKE [ GRANT OPTION FOR ] { USAGE | ALL [ PRIVILEGES ] } ON TYPES FROM { [ GROUP ] <TT CLASS="REPLACEABLE" ><I >role_name</I ></TT > | PUBLIC } [, ...] [ CASCADE | RESTRICT ]</PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="SQL-ALTERDEFAULTPRIVILEGES-DESCRIPTION" ></A ><H2 >Description</H2 ><P > <TT CLASS="COMMAND" >ALTER DEFAULT PRIVILEGES</TT > allows you to set the privileges that will be applied to objects created in the future. (It does not affect privileges assigned to already-existing objects.) Currently, only the privileges for tables (including views and foreign tables), sequences, functions, and types (including domains) can be altered. </P ><P > You can change default privileges only for objects that will be created by yourself or by roles that you are a member of. The privileges can be set globally (i.e., for all objects created in the current database), or just for objects created in specified schemas. Default privileges that are specified per-schema are added to whatever the global default privileges are for the particular object type. </P ><P > As explained under <A HREF="sql-grant.html" >GRANT</A >, the default privileges for any object type normally grant all grantable permissions to the object owner, and may grant some privileges to <TT CLASS="LITERAL" >PUBLIC</TT > as well. However, this behavior can be changed by altering the global default privileges with <TT CLASS="COMMAND" >ALTER DEFAULT PRIVILEGES</TT >. </P ><DIV CLASS="REFSECT2" ><A NAME="AEN62793" ></A ><H3 >Parameters</H3 ><P ></P ><DIV CLASS="VARIABLELIST" ><DL ><DT ><TT CLASS="REPLACEABLE" ><I >target_role</I ></TT ></DT ><DD ><P > The name of an existing role of which the current role is a member. If <TT CLASS="LITERAL" >FOR ROLE</TT > is omitted, the current role is assumed. </P ></DD ><DT ><TT CLASS="REPLACEABLE" ><I >schema_name</I ></TT ></DT ><DD ><P > The name of an existing schema. If specified, the default privileges are altered for objects later created in that schema. If <TT CLASS="LITERAL" >IN SCHEMA</TT > is omitted, the global default privileges are altered. </P ></DD ><DT ><TT CLASS="REPLACEABLE" ><I >role_name</I ></TT ></DT ><DD ><P > The name of an existing role to grant or revoke privileges for. This parameter, and all the other parameters in <TT CLASS="REPLACEABLE" ><I >abbreviated_grant_or_revoke</I ></TT >, act as described under <A HREF="sql-grant.html" >GRANT</A > or <A HREF="sql-revoke.html" >REVOKE</A >, except that one is setting permissions for a whole class of objects rather than specific named objects. </P ></DD ></DL ></DIV ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="SQL-ALTERDEFAULTPRIVILEGES-NOTES" ></A ><H2 >Notes</H2 ><P > Use <A HREF="app-psql.html" ><SPAN CLASS="APPLICATION" >psql</SPAN ></A >'s <TT CLASS="COMMAND" >\ddp</TT > command to obtain information about existing assignments of default privileges. The meaning of the privilege values is the same as explained for <TT CLASS="COMMAND" >\dp</TT > under <A HREF="sql-grant.html" >GRANT</A >. </P ><P > If you wish to drop a role for which the default privileges have been altered, it is necessary to reverse the changes in its default privileges or use <TT CLASS="COMMAND" >DROP OWNED BY</TT > to get rid of the default privileges entry for the role. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="SQL-ALTERDEFAULTPRIVILEGES-EXAMPLES" ></A ><H2 >Examples</H2 ><P > Grant SELECT privilege to everyone for all tables (and views) you subsequently create in schema <TT CLASS="LITERAL" >myschema</TT >, and allow role <TT CLASS="LITERAL" >webuser</TT > to INSERT into them too: </P><PRE CLASS="PROGRAMLISTING" >ALTER DEFAULT PRIVILEGES IN SCHEMA myschema GRANT SELECT ON TABLES TO PUBLIC; ALTER DEFAULT PRIVILEGES IN SCHEMA myschema GRANT INSERT ON TABLES TO webuser;</PRE ><P> </P ><P > Undo the above, so that subsequently-created tables won't have any more permissions than normal: </P><PRE CLASS="PROGRAMLISTING" >ALTER DEFAULT PRIVILEGES IN SCHEMA myschema REVOKE SELECT ON TABLES FROM PUBLIC; ALTER DEFAULT PRIVILEGES IN SCHEMA myschema REVOKE INSERT ON TABLES FROM webuser;</PRE ><P> </P ><P > Remove the public EXECUTE permission that is normally granted on functions, for all functions subsequently created by role <TT CLASS="LITERAL" >admin</TT >: </P><PRE CLASS="PROGRAMLISTING" >ALTER DEFAULT PRIVILEGES FOR ROLE admin REVOKE EXECUTE ON FUNCTIONS FROM PUBLIC;</PRE ><P></P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN62836" ></A ><H2 >Compatibility</H2 ><P > There is no <TT CLASS="COMMAND" >ALTER DEFAULT PRIVILEGES</TT > statement in the SQL standard. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN62840" ></A ><H2 >See Also</H2 ><A HREF="sql-grant.html" >GRANT</A >, <A HREF="sql-revoke.html" >REVOKE</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-alterdatabase.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-alterdomain.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >ALTER DATABASE</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" >ALTER DOMAIN</TD ></TR ></TABLE ></DIV ></BODY ></HTML >