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><H1
><A
NAME="SQL-DROPSEQUENCE"
></A
>DROP SEQUENCE</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN74505"
></A
><H2
>Name</H2
>DROP SEQUENCE&nbsp;--&nbsp;remove a sequence</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN74510"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>DROP SEQUENCE [ IF EXISTS ] <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
> [, ...] [ CASCADE | RESTRICT ]</PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN74513"
></A
><H2
>Description</H2
><P
>   <TT
CLASS="COMMAND"
>DROP SEQUENCE</TT
> removes sequence number
   generators. A sequence can only be dropped by its owner or a superuser.
  </P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN74517"
></A
><H2
>Parameters</H2
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="LITERAL"
>IF EXISTS</TT
></DT
><DD
><P
>      Do not throw an error if the sequence does not exist. A notice is issued
      in this case.
     </P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
></DT
><DD
><P
>      The name (optionally schema-qualified) of a sequence.
     </P
></DD
><DT
><TT
CLASS="LITERAL"
>CASCADE</TT
></DT
><DD
><P
>      Automatically drop objects that depend on the sequence.
     </P
></DD
><DT
><TT
CLASS="LITERAL"
>RESTRICT</TT
></DT
><DD
><P
>      Refuse to drop the sequence if any objects depend on it.  This
      is the default.
     </P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN74540"
></A
><H2
>Examples</H2
><P
>   To remove the sequence <TT
CLASS="LITERAL"
>serial</TT
>:

</P><PRE
CLASS="PROGRAMLISTING"
>DROP SEQUENCE serial;</PRE
><P></P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN74545"
></A
><H2
>Compatibility</H2
><P
>   <TT
CLASS="COMMAND"
>DROP SEQUENCE</TT
> conforms to the <ACRONYM
CLASS="ACRONYM"
>SQL</ACRONYM
>
   standard, except that the standard only allows one
   sequence to be dropped per command, and apart from the
   <TT
CLASS="LITERAL"
>IF EXISTS</TT
> option, which is a <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
>
   extension.
  </P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN74552"
></A
><H2
>See Also</H2
><A
HREF="sql-createsequence.html"
>CREATE SEQUENCE</A
>, <A
HREF="sql-altersequence.html"
>ALTER SEQUENCE</A
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