Find Column Name, Primary Key, Foreign
Key, Constrain for particular Table in Database.
SELECT distinct
Col.Column_Name,
Col.CONSTRAINT_Name as
[Key] ,
CONSTRAINT_TYPE
as Constraint_Type
From
INFORMATION_SCHEMA.TABLE_CONSTRAINTS
Tab,
INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE
Col
WHERE
Col.Constraint_Name = Tab.Constraint_Name
AND Col.Table_Name
= Tab.Table_Name
AND Col.Table_Name
= 'YourTableName'