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><H1
><A
NAME="SQL-DROPSEQUENCE"
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>DROP SEQUENCE</H1
><DIV
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><A
NAME="AEN62112"
></A
><H2
>Name</H2
>DROP SEQUENCE -- remove a sequence</DIV
><A
NAME="AEN62115"
></A
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN62117"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>DROP SEQUENCE [ IF EXISTS ] <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
> [, ...] [ CASCADE | RESTRICT ]</PRE
></DIV
><DIV
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><A
NAME="AEN62120"
></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="AEN62124"
></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="AEN62147"
></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
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><A
NAME="AEN62152"
></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
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><A
NAME="AEN62159"
></A
><H2
>See Also</H2
><A
HREF="sql-createsequence.html"
><I
>CREATE SEQUENCE</I
></A
>, <A
HREF="sql-altersequence.html"
><I
>ALTER SEQUENCE</I
></A
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>
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