sql查询取第一条数据
数据全查询SELECT * FROM edu_course ec ORDER BY priceMySQLSELECT * FROM edu_course ec ORDER BY price DESC LIMIT 1sqlserverSELECT TOP 1* FROM edu_course ec ORDER BY price DESCOracleSELECT * FROM(SELECT * FROM EDU_COURSE ORDER BY price DESC) WHERE ROWN
