casewhen同時(shí)滿足多條件 sql case when多條件篩選?
sql case when多條件篩選?這不需要大小寫(xiě),只要寫(xiě)where子句從表名where中選擇*(age=15,gender=“female”)或(age=20,gender=“male”)
sql case when多條件篩選?
這不需要大小寫(xiě),只要寫(xiě)where子句
從表名where中選擇*(age=15,gender=“female”)或(age=20,gender=“male”)