File: sql-dropsequence.html

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>   DROP SEQUENCE
  </TITLE
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><H1
>DROP SEQUENCE</H1
><DIV
CLASS="REFNAMEDIV"
><H2
>Name</H2
>   DROP SEQUENCE
   &#8212;    Removes an existing sequence
  </DIV
><DIV
CLASS="REFSYNOPSISDIV"
><PRE
CLASS="SYNOPSIS"
>DROP SEQUENCE <TT
CLASS="REPLACEABLE"
><I
>seqname</I
></TT
> [, ...]
  </PRE
><DIV
CLASS="REFSECT2"
><H3
>    Inputs
   </H3
><P
>   </P
><P
></P
><DL
><DT
><TT
CLASS="REPLACEABLE"
><I
>seqname</I
></TT
></DT
><DD
><P
>          The name of a sequence.
	  </P
></DD
></DL
></DIV
><DIV
CLASS="REFSECT2"
><H3
>    Outputs
   </H3
><P
>&#13;       <P
></P
></P><DL
><DT
><SPAN
CLASS="RETURNVALUE"
>DROP</SPAN
></DT
><DD
><P
>          The message returned if the sequence is successfully dropped.
	  </P
></DD
><DT
><SPAN
CLASS="RETURNVALUE"
>WARN: Relation "<TT
CLASS="REPLACEABLE"
><I
>seqname</I
></TT
>" does not exist.</SPAN
></DT
><DD
><P
>	   This message occurs if the specified sequence does not exist.
   </P
></DD
></DL
><P>
  </P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><H2
>   Description
  </H2
><P
>   <B
CLASS="COMMAND"
>DROP SEQUENCE</B
> removes sequence number generators from the
   data base. With the current implementation of sequences as
   special tables it works just like the <B
CLASS="COMMAND"
>DROP TABLE</B
>
   statement.
  </P
><DIV
CLASS="REFSECT2"
><H3
>    Notes
   </H3
><P
>    The <B
CLASS="COMMAND"
>DROP SEQUENCE</B
> statement is a
 <SPAN
CLASS="PRODUCTNAME"
>Postgres</SPAN
>
    language extension.
   </P
><P
>    Refer to the <B
CLASS="COMMAND"
>CREATE SEQUENCE</B
> statement for
    information on how to create a sequence.
   </P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><H2
>   Usage
  </H2
><P
>   To remove sequence <TT
CLASS="LITERAL"
>serial</TT
> from database:
  </P
><PRE
CLASS="PROGRAMLISTING"
>DROP SEQUENCE serial
  </PRE
></DIV
><DIV
CLASS="REFSECT1"
><H2
>   Compatibility
  </H2
><P
>  </P
><DIV
CLASS="REFSECT2"
><H3
>    SQL92
   </H3
><P
>    There is no <B
CLASS="COMMAND"
>DROP SEQUENCE</B
> in <SPAN
CLASS="ACRONYM"
>SQL92</SPAN
>.
   </P
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