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@Target(value={})
@Retention(value=RUNTIME)
public @interface UniqueConstraintSpecifies that a unique constraint is to be included in the generated DDL for a primary or secondary table.
Example:
@Entity
@Table(
name="EMPLOYEE",
uniqueConstraints=
@UniqueConstraint(columnNames={"EMP_ID", "EMP_NAME"})
)
public class Employee { ... }
| Required Element Summary | |
|---|---|
java.lang.String[] |
columnNames
(Required) An array of the column names that make up the constraint. |
| Optional Element Summary | |
|---|---|
java.lang.String |
name
(Optional) Constraint name. |
| Element Detail |
|---|
public abstract java.lang.String[] columnNames
public abstract java.lang.String name
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Generated on 24-November-2009 03:24