SELECT T1.Service_Type_Description, T2.Service_Type_Code, COUNT(*) FROM Ref_Service_Types AS T1 JOIN Services AS T2 ON T1.Service_Type_Code = T2.Service_Type_Code GROUP BY T2.Service_Type_Code
Apa deskripsi, kode, dan jumlah yang sesuai dari setiap jenis layanan?
CREATE TABLE Services (Service_Type_Code VARCHAR); CREATE TABLE Ref_Service_Types (Service_Type_Description VARCHAR, Service_Type_Code VARCHAR)