--- a/sql.rst	Tue Mar 05 13:36:07 2013 +0200
+++ b/sql.rst	Tue Mar 05 14:57:41 2013 +0200
@@ -15,7 +15,8 @@
 Primary key length.
 ===================
 
-For ``int`` type (32-bit): ``NUMBER(9)``.
+For ``int`` type (32-bit): ``NUMBER(9)``. For ``long`` type (64-bit):
+``NUMBER(18)``.
 
 Oracle allow up to 38 significant digits in ``NUMBER`` and up to 28 digits in
 ``SEQUENCE``.