我需要使用ROW_NUMBER()函数进行查询,以便按PurchaseID和交货日期枚举所有采购订单行: SELECT PL.LINENUMBER, ORDER BY PL.LineNumber, PL.DELIVERYDATE DESC) AS LineNumberOrderedWHERE PL.DATAAREAID = 'pol'
UPDATE Events SET eventName = 'hi' IF ROW_COUNT() = 0 INSERT INTO EVENTS (eventName) VALUES (hi); -> WHERE EventID = 1;
ERROR 1064 (42000): You have an error in your SQLsyntax; check the manual that corresponds to your MySQL serve