List table constraints Example
To list table constraints, use select on sys.foreign_keys, sys.key_constraints or sys.all_objects.
sys.foreign_keys
				
				SELECT * FROM sys.foreign_keys;
				
			
sys.key_constraints
				
				SELECT * FROM sys.key_constraints;
				
			
sys.all_objects
				
				SELECT * FROM sys.all_objects 
				
			
WHERE TYPE IN ('F','PK')
				
ORDER BY create_date DESC;