><H2
>Compatibility</H2
><P
>   <TT
CLASS="COMMAND"
>DROP INDEX</TT
> is a
   <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> language extension.  There
   are no provisions for indexes in the SQL standard.
  </P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN76037"
></A
><H2
>See Also</H2
><A
HREF="sql-createindex.html"
>CREATE INDEX</A
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