Hi,
CONSTRAINT_TYPE
VARCHAR2(1)
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)
oli
[EMAIL PROTECTED] wrote:
> 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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--
Oliver Artelt
Oracle Certified DBA
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--
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--
Author: Oliver Artelt
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