@Target(value={})
@Retention(value=RUNTIME)
public @interface UniqueConstraint
Example:
@Entity
@Table(
name="EMPLOYEE",
uniqueConstraints=
@UniqueConstraint(columnNames={"EMP_ID", "EMP_NAME"})
)
public class Employee { ... }
| Modifier and Type | Required Element and Description |
|---|---|
java.lang.String[] |
columnNames
(Required) An array of the column names that make up the constraint.
|
| Modifier and Type | Optional Element and Description |
|---|---|
java.lang.String |
name
(Optional) Constraint name.
|