For most patients with congenital myopathy or muscular dystrophy, the treatment is largely supportive, with physical therapy, occupational therapy, management of contractures, nutrition, and genetic counseling.
Msg 2601, Level 14, State 1, Line 8. Cannot insert duplicate key row in object 'dbo.SlsPrc' with unique index 'SlsPrc1'. The duplicate key value is (IC, P, SUPQ101 , ORA3000 , BAS , GLOBAL ). The statement has been terminated. Msg 295, Level 16, State 3, Line 20. Conversion failed when converting character string to smalldatetime data type.
The final reason I can think of for surrogate keys is one that I strongly suspect but have never proven. Replacing big, ugly natural keys and composite keys with beautiful, tight integer surrogate keys is bound to improve join performance. surrogate key is an artificial or synthetic key that is used as a substitute for a natural key. Actually, a surrogate key in a data warehouse is more than just a substitute for a natural key.