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-$Header: /cvsroot/pgsql/doc/src/sgml/ref/alter_table.sgml,v 1.32 2001/11/18 20:35:02 petere Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/alter_table.sgml,v 1.33 2001/11/22 03:42:32 momjian Exp $
Postgres documentation
-->
The <literal>ALTER COLUMN SET STATISTICS</literal> form allows you to
set the statistics-gathering target for subsequent
<xref linkend="sql-analyze" endterm="sql-analyze-title"> operations.
- The <literal>RENAME</literal> clause causes the name of a table or column
- to change without changing any of the data contained in
- the affected table. Thus, the table or column will
- remain of the same type and size after this command is
- executed.
+ The <literal>RENAME</literal> clause causes the name of a table,
+ column, index, or sequence to change without changing any of the
+ data. The data will remain of the same type and size after the
+ command is executed.
The ADD <replaceable class="PARAMETER">table constraint definition</replaceable> clause
adds a new constraint to the table using the same syntax as <xref
linkend="SQL-CREATETABLE" endterm="SQL-CREATETABLE-TITLE">.
</para>
<para>
- The clauses to rename columns and tables are <productname>Postgres</productname>
- extensions from SQL92.
+ The clauses to rename tables, columns, indexes, and sequences are
+ <productname>Postgres</productname> extensions from SQL92.
</para>
</refsect2>