TCheckConstraint.CustomConstraint property

Member of TCheckConstraintpublishedIn unit DB

User-defined constraint.

Declaration

pascal

property CustomConstraint: string read FCustomConstraint write FCustomConstraint;

Description

CustomConstraint is an SQL expression with an additional user-defined constraint. The expression should be enforced by a TDataset descendent when data is posted to the dataset. If the constraint is violated, then the dataset should raise an exception, with message as specified in ErrorMessage

TCheckConstraint.CustomConstraint property

Declaration

Description

See also