Foreign keys, Sql Server

Foreign keys

--Title of this code
--Batches are separated by 'go'

SELECT
    Foreign_key_table = FK.TABLE_NAME,
    Foreign_key_column = CU.COLUMN_NAME,
    Primary_key_table = PK.TABLE_NAME,
    Primary_key_column = PT.COLUMN_NAME,
    Constraint_name = C.CONSTRAINT_NAME
FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS C
        INNER JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS FK ON C.CONSTRAINT_NAME = FK.CONSTRAINT_NAME
        INNER JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS PK ON C.UNIQUE_CONSTRAINT_NAME = PK.CONSTRAINT_NAME
        INNER JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE CU ON C.CONSTRAINT_NAME = CU.CONSTRAINT_NAME
        INNER JOIN (
            SELECT i1.TABLE_NAME, i2.COLUMN_NAME
            FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS i1
            INNER JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE i2 ON i1.CONSTRAINT_NAME = i2.CONSTRAINT_NAME
            WHERE i1.CONSTRAINT_TYPE = 'PRIMARY KEY'
        ) PT ON PT.TABLE_NAME = PK.TABLE_NAME

WHERE PK.TABLE_NAME='Pilots' and FK.TABLE_NAME='Pilots_on_flights'


run \| edit \| history \| help	0