diff options
| -rw-r--r-- | doc/src/sgml/advanced.sgml | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/src/sgml/advanced.sgml b/doc/src/sgml/advanced.sgml index d77312600f7..2d4ab85d450 100644 --- a/doc/src/sgml/advanced.sgml +++ b/doc/src/sgml/advanced.sgml @@ -616,7 +616,7 @@ CREATE TABLE cities ( ); CREATE TABLE capitals ( - state char(2) + state char(2) UNIQUE NOT NULL ) INHERITS (cities); </programlisting> </para> @@ -630,7 +630,8 @@ CREATE TABLE capitals ( <type>text</type>, a native <productname>PostgreSQL</productname> type for variable length character strings. The <classname>capitals</classname> table has - an extra column, <structfield>state</structfield>, which shows their states. In + an additional column, <structfield>state</structfield>, which shows its + state abbreviation. In <productname>PostgreSQL</productname>, a table can inherit from zero or more other tables. </para> |