Wednesday, March 8, 2017

Query to Display Foreign Key Relationships and Name of the Constraint for Each Table in Database

https://blog.sqlauthority.com/2006/11/01/sql-server-query-to-display-foreign-key-relationships-and-name-of-the-constraint-for-each-table-in-database/

SELECTK_Table FK.TABLE_NAME,FK_Column CU.COLUMN_NAME,PK_Table PK.TABLE_NAME,PK_Column PT.COLUMN_NAME,Constraint_Name C.CONSTRAINT_NAMEFROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS CINNER JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS FK ON C.CONSTRAINT_NAME FK.CONSTRAINT_NAMEINNER JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS PK ON C.UNIQUE_CONSTRAINT_NAME PK.CONSTRAINT_NAMEINNER JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE CU ON C.CONSTRAINT_NAME CU.CONSTRAINT_NAMEINNER JOIN (SELECT i1.TABLE_NAMEi2.COLUMN_NAMEFROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS i1INNER JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE i2 ON i1.CONSTRAINT_NAME i2.CONSTRAINT_NAMEWHERE i1.CONSTRAINT_TYPE 'PRIMARY KEY'PT ON PT.TABLE_NAME PK.TABLE_NAME---- optional:ORDER BY1,2,3,4WHERE PK.TABLE_NAME='something'WHERE FK.TABLE_NAME='something'WHERE PK.TABLE_NAME IN ('one_thing''another')WHERE FK.TABLE_NAME IN ('one_thing''another')

No comments:

Post a Comment