2022-11-19:第二高的薪水。表结构和数据的sql语句如下,输出200,因为200是第二大的。请问sql语句如何写?

DROP TABLE IF EXISTS `employee`;
CREATE TABLE `employee` (
  `id` int(11) NOT NULL,
  `salary` int(11) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

INSERT INTO `employee` VALUES ('1', '100');
INSERT INTO `employee` VALUES ('2', '200');
INSERT INTO `employee` VALUES ('3', '300');

答案2022-11-19:

sql语句如下:

SELECT
    IFNULL(
      (SELECT DISTINCT salary
       FROM employee
       ORDER BY salary DESC
        LIMIT 1 OFFSET 1),
    NULL) AS SecondHighestSalary

结果如下: 在这里插入图片描述