-<!-- $PostgreSQL: pgsql/doc/src/sgml/ddl.sgml,v 1.58 2006/07/02 01:58:36 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/ddl.sgml,v 1.59 2006/07/03 16:43:14 tgl Exp $ -->
<chapter id="ddl">
<title>Data Definition</title>
parent. Similarly an inheritance link can be removed from a child using the
<command>ALTER TABLE</command> using the <command>NO INHERIT</command>
subform.
+ </para>
<para>
One convenient way to create a compatible table to be a new child is using
caveat below regarding constraints). Alternatively a compatible table can
be created by first creating a new child using <command>CREATE
TABLE</command> then removing the inheritance link with <command>ALTER
- TABLE</command>. </para>
+ TABLE</command>.
+ </para>
<para>
A parent table cannot be dropped while any
be accessed for a query. Whereas the alternative, adding those columns
to every index, increases space usage which can erase any
performance gain.
- <para>
+ </para>
<para>
When most of the heavily accessed area of the table is in a single