diff options
Diffstat (limited to 'doc/src/sgml/ref/alter_table.sgml')
| -rw-r--r-- | doc/src/sgml/ref/alter_table.sgml | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/doc/src/sgml/ref/alter_table.sgml b/doc/src/sgml/ref/alter_table.sgml index 44f1ec644fe..da431f8369a 100644 --- a/doc/src/sgml/ref/alter_table.sgml +++ b/doc/src/sgml/ref/alter_table.sgml @@ -1116,11 +1116,11 @@ ALTER TABLE [ IF EXISTS ] <replaceable class="PARAMETER">name</replaceable> rename, or change the type of a column in the parent table without doing same to the descendants. This ensures that the descendants always have columns matching the parent. Similarly, a constraint cannot be renamed - in the parent without also renaming it in all descendents, so that - constraints also match between the parent and its descendents. - Also, because selecting from the parent also selects from its descendents, + in the parent without also renaming it in all descendants, so that + constraints also match between the parent and its descendants. + Also, because selecting from the parent also selects from its descendants, a constraint on the parent cannot be marked valid unless it is also marked - valid for those descendents. In all of these cases, <command>ALTER TABLE + valid for those descendants. In all of these cases, <command>ALTER TABLE ONLY</command> will be rejected. </para> |