<REFENTRY ID="SQL-SHOW">
<REFMETA>
<REFENTRYTITLE>
SHOW
</REFENTRYTITLE>
<REFMISCINFO>SQL - Language Statements</REFMISCINFO>
</REFMETA>
<REFNAMEDIV>
<REFNAME>
SHOW
</REFNAME>
<REFPURPOSE>
Shows run-time parameters for session
</REFPURPOSE>
<REFSYNOPSISDIV>
<REFSYNOPSISDIVINFO>
<DATE>1998-08-31</DATE>
</REFSYNOPSISDIVINFO>
<SYNOPSIS>
SHOW <REPLACEABLE CLASS="PARAMETER">variable</REPLACEABLE>
</SYNOPSIS>

<REFSECT2 ID="R2-SQL-SHOW-1">
<REFSECT2INFO>
<DATE>1998-08-31</DATE>
</REFSECT2INFO>
<TITLE>
Inputs
</TITLE>
<PARA>
</PARA>
<VARIABLELIST>
<VARLISTENTRY>
<TERM>
<REPLACEABLE CLASS="PARAMETER">variable</REPLACEABLE>
</TERM>
<LISTITEM>
<PARA>
          Refer to the SET statement for more information on available
          variables.
</VARLISTENTRY>
</VARIABLELIST>
        
</REFSECT2>

<REFSECT2 ID="R2-SQL-SHOW-2">
<REFSECT2INFO>
<DATE>1998-08-31</DATE>
</REFSECT2INFO>
<TITLE>
Outputs
</TITLE>
<PARA>
</PARA>
<VARIABLELIST>
<VARLISTENTRY>
<TERM>
NOTICE: <REPLACEABLE CLASS="PARAMETER">variable</REPLACEABLE> is <ReturnValue>value</ReturnValue>
SHOW VARIABLE
</TERM>
<LISTITEM>
<PARA>
          Message returned if successfully.
</listitem>
<VARLISTENTRY>
<TERM>
NOTICE:  Unrecognized variable <ReturnValue>value</ReturnValue>
<LISTITEM>
<PARA>
Message returned if <ReturnValue>value</ReturnValue> does not exist.
</PARA>
</LISTITEM>
</VARLISTENTRY>
</VARIABLELIST>
</REFSECT2>
</REFSYNOPSISDIV>

<REFSECT1 ID="R1-SQL-SHOW-1">
<REFSECT1INFO>
<DATE>1998-08-31</DATE>
</REFSECT1INFO>
<TITLE>
Description
</TITLE>
<PARA>
   SHOW will display the current configuration parameters for
   variable during a session.

<para>
   The session can be configured using SET statement, and values
   can be restored to the defaults using RESET statement.
   Parameters and values are case-insensitive.

<REFSECT2 ID="R2-SQL-SHOW-3">
<REFSECT2INFO>
<DATE>1998-08-31</DATE>
</REFSECT2INFO>
<TITLE>
Notes
</TITLE>
<PARA>
   The SHOW statement is a <productname>Postgres</productname>
 language extension.

<para>
   Refer to the SET/RESET statements to set/reset variable values.
   See also the SET TIME ZONE statement.

<para>
   If the TZ environment variable is not set the SHOW TIME ZONE statement
   gives the message: Time zone is unknown
</REFSECT2>
</REFSECT1>

<REFSECT1 ID="R1-SQL-SHOW-2">
<TITLE>
Usage
</TITLE>
<PARA>
<ProgramListing>
   -- show DateStyle;
   SHOW DateStyle;
   NOTICE:DateStyle is Postgres with US (NonEuropean) conventions

   -- show Geqo;
   SHOW GEQO;
   NOTICE:GEQO is ON
</ProgramListing>

</REFSECT1>

<REFSECT1 ID="R1-SQL-SHOW-3">
<TITLE>
Compatibility
</TITLE>
<PARA>
</PARA>

<REFSECT2 ID="R2-SQL-SHOW-4">
<REFSECT2INFO>
<DATE>1998-08-31</DATE>
</REFSECT2INFO>
<TITLE>
SQL92
</TITLE>
<PARA>
    There is no SET statement defined in <acronym>SQL92</acronym>.
</refsect2>
</refsect1>
</REFENTRY>
