Hitachi

Hitachi Advanced Database Setup and Operation Guide


B.17 Content of SQL_REFERENTIAL_CONSTRAINTS

SQL_REFERENTIAL_CONSTRAINTS stores information related to referential constraints. Each row stores information on one referential constraint.

The following table describes the content of SQL_REFERENTIAL_CONSTRAINTS.

Table B‒19: Content of SQL_REFERENTIAL_CONSTRAINTS

No.

Column name

Data type

Stored information

1

CONSTRAINT_SCHEMA

VARCHAR(100)

Schema name, including a referential constraint

2

CONSTRAINT_NAME

VARCHAR(100)

Constraint name of referential constraint

3

TABLE_SCHEMA

VARCHAR(100)

Schema name of the table for which the referential constraint is defined

4

TABLE_NAME

VARCHAR(100)

Table identifier of the table for which the referential constraint is defined

5

PRIMARY_CONSTRAINT_SCHEMA

VARCHAR(100)

Schema name, including a constraint referenced by a foreign key

6

PRIMARY_CONSTRAINT_NAME

VARCHAR(100)

Constraint name referenced by a foreign key

7

REFERENCED_TABLE_SCHEMA

VARCHAR(100)

Schema name of a referenced table

8

REFERENCED_TABLE_NAME

VARCHAR(100)

Table identifier of a referenced table

9

IS_DISABLE

CHAR(1)

Whether referential constraint check suppression is specified

  • 'Y'

    Referential constraints are not checked.