SQL is still the connective tissue of every modern data stack—from cloud warehouses to mobile apps. Recruiters know it, too: employer demand for SQL skills grew 46% year-over-year, according to labour ...

--Next statement stores OrderItems detail of current Order (if any). SELECT MAX(DETAIL)+1 INTO vDetail FROM ORDERITEMS oi JOIN ORDERS o ON oi.Orderid = o.Orderid WHERE oi.OrderID = iOrderid; --Next ...