How to get all the primary key,unique,foreign key in a Sql Server database?

SELECT A.TABLE_NAME, A.CONSTRAINT_NAME, B.COLUMN_NAME
FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS A, INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE B
WHERE CONSTRAINT_TYPE = 'PRIMARY KEY' AND A.CONSTRAINT_NAME = B.CONSTRAINT_NAME
ORDER BY A.TABLE_NAME