casewhen同时满足多条件 sql case when多条件筛选?
sql case when多条件筛选?这不需要大小写,只要写where子句从表名where中选择*(age=15,gender=“female”)或(age=20,gender=“male”)
sql case when多条件筛选?
这不需要大小写,只要写where子句
从表名where中选择*(age=15,gender=“female”)或(age=20,gender=“male”)
sql case when多条件筛选?这不需要大小写,只要写where子句从表名where中选择*(age=15,gender=“female”)或(age=20,gender=“male”)
这不需要大小写,只要写where子句
从表名where中选择*(age=15,gender=“female”)或(age=20,gender=“male”)