SQL195. 查找最晚入职员工的所有信息
描述
emp_no | birth_date | first_name | last_name | gender | hire_date |
10001 | 1953-09-02 | Georgi | Facello | M | 1986-06-26 |
10002 | 1964-06-02 | Bezalel | Simmel | F | 1985-11-21 |
10003 | 1959-12-03 | Parto | Bamford | M | 1986-08-28 |
10004 | 1954-05-01 | Christian | Koblick | M | 1986-12-01 |
emp_no | birth_date | first_name | last_name | gender | hire_date |
10004 | 1954-05-01 | Christian | Koblick | M | 1986-12-01 |
示例1
输入:
drop table if exists `employees` ; CREATE TABLE `employees` ( `emp_no` int(11) NOT NULL, `birth_date` date NOT NULL, `first_name` varchar(14) NOT NULL, `last_name` varchar(16) NOT NULL, `gender` char(1) NOT NULL, `hire_date` date NOT NULL, PRIMARY KEY (`emp_no`)); INSERT INTO employees VALUES(10001,'1953-09-02','Georgi','Facello','M','1986-06-26'); INSERT INTO employees VALUES(10002,'1964-06-02','Bezalel','Simmel','F','1985-11-21'); INSERT INTO employees VALUES(10003,'1959-12-03','Parto','Bamford','M','1986-08-28'); INSERT INTO employees VALUES(10004,'1954-05-01','Chirstian','Koblick','M','1986-12-01'); INSERT INTO employees VALUES(10005,'1955-01-21','Kyoichi','Maliniak','M','1989-09-12'); INSERT INTO employees VALUES(10006,'1953-04-20','Anneke','Preusig','F','1989-06-02'); INSERT INTO employees VALUES(10007,'1957-05-23','Tzvetan','Zielinski','F','1989-02-10'); INSERT INTO employees VALUES(10008,'1958-02-19','Saniya','Kalloufi','M','1994-09-15'); INSERT INTO employees VALUES(10009,'1952-04-19','Sumant','Peac','F','1985-02-18'); INSERT INTO employees VALUES(10010,'1963-06-01','Duangkaew','Piveteau','F','1989-08-24'); INSERT INTO employees VALUES(10011,'1953-11-07','Mary','Sluis','F','1990-01-22');
输出:
10008|1958-02-19|Saniya|Kalloufi|M|1994-09-15
Sqlite 解法, 执行用时: 10ms, 内存消耗: 3172KB, 提交时间: 2020-11-09
select * from employees where hire_date = ( select max(hire_date) from employees );
Sqlite 解法, 执行用时: 10ms, 内存消耗: 3176KB, 提交时间: 2020-11-18
select * from employees where hire_date=(select max(hire_date) from employees);
Sqlite 解法, 执行用时: 10ms, 内存消耗: 3180KB, 提交时间: 2020-09-15
select * from employees where hire_date = ( select max(hire_date) from employees );
Sqlite 解法, 执行用时: 10ms, 内存消耗: 3192KB, 提交时间: 2020-12-24
SELECT * FROM employees WHERE hire_date = (SELECT MAX(hire_date) FROM employees);
Sqlite 解法, 执行用时: 10ms, 内存消耗: 3192KB, 提交时间: 2020-11-25
select emp_no,birth_date,first_name,last_name,gender,hire_date from employees where hire_date = (select max(hire_date) from employees);