# Package org.h2.constraint

Database constraints such as check constraints, unique constraints, and referential constraints.

See: Description

Class Summary
Class | Description
--- | ---
Constraint | The base class for constraint checking.
ConstraintCheck | A check constraint.
ConstraintReferential | A referential constraint.
ConstraintUnique | A unique constraint.

Enum Summary
Enum | Description
--- | ---
Constraint.Type |
ConstraintActionType |

## Package org.h2.constraint Description

Database constraints such as check constraints, unique constraints, and referential constraints.