diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/src/sgml/ref/values.sgml | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/doc/src/sgml/ref/values.sgml b/doc/src/sgml/ref/values.sgml index 4bf7bfdffee..8536d065aad 100644 --- a/doc/src/sgml/ref/values.sgml +++ b/doc/src/sgml/ref/values.sgml @@ -198,10 +198,9 @@ UPDATE employees SET salary = salary * v.increase WHERE employees.depno = v.depno AND employees.sales >= v.target; </programlisting> - Note that an <literal>AS</literal> clause is required when <command>VALUES</command> - is used in a <literal>FROM</literal> clause, just as is true for - <command>SELECT</command>. It is not required that the <literal>AS</literal> clause - specify names for all the columns, but it's good practice to do so. + Note that if <command>VALUES</command> is used in a <literal>FROM</literal> + clause, a table alias is optional. Assigning alias names to the columns + of the <command>VALUES</command> list is optional, but is good practice. (The default column names for <command>VALUES</command> are <literal>column1</literal>, <literal>column2</literal>, etc. in <productname>PostgreSQL</productname>, but these names might be different in other database systems.) |