>From the manual:
CONSTRAINT_TYPE
Type of constraint definition:
C (check constraint on a table)
P (primary key)
U (unique key)
R (referential integrity)
V (with check option, on a view)
O (with read only, on a view)
-----Original Message-----
Sent: Monday, July 02, 2001 1:47 PM
To: Multiple recipients of list ORACLE-L
DBAs:
On the user_constraints view, you can find the constraint_type has five
distinct
values:
C, O, P, R, U, and V.
C=check,
P=primary key,
R=foreign key,
U=unique key.
What about O and V?
If I assume O=optional(null/not null), I really can not guess V.
Anyone can help?, Thanks in advance.
William
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Author: William Dong
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