Wei Shi <weishisky@yahoo.com> writes: > Does anybody know why "key_column_usage", and > "referential_constraints" are empty in > information_schema? They work for me ... regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to majordomo@postgresql.org)