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将titles_test表名修改为titles_2017

[编程题]将titles_test表名修改为titles_2017
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将titles_test表名修改为titles_2017。
CREATE TABLE IF NOT EXISTS titles_test (
id int(11) not null primary key,
emp_no int(11) NOT NULL,
title varchar(50) NOT NULL,
from_date date NOT NULL,
to_date date DEFAULT NULL);

insert into titles_test values ('1', '10001', 'Senior Engineer', '1986-06-26', '9999-01-01'),
('2', '10002', 'Staff', '1996-08-03', '9999-01-01'),
('3', '10003', 'Senior Engineer', '1995-12-03', '9999-01-01'),
('4', '10004', 'Senior Engineer', '1995-12-03', '9999-01-01'),
('5', '10001', 'Senior Engineer', '1986-06-26', '9999-01-01'),
('6', '10002', 'Staff', '1996-08-03', '9999-01-01'),
('7', '10003', 'Senior Engineer', '1995-12-03', '9999-01-01');
示例1

输入

drop table if exists titles_test;
drop table if exists titles_2017;
CREATE TABLE titles_test (
   id int(11) not null primary key,
   emp_no  int(11) NOT NULL,
   title  varchar(50) NOT NULL,
   from_date  date NOT NULL,
   to_date  date DEFAULT NULL);

insert into titles_test values
('1', '10001', 'Senior Engineer', '1986-06-26', '9999-01-01'),
('2', '10002', 'Staff', '1996-08-03', '9999-01-01'),
('3', '10003', 'Senior Engineer', '1995-12-03', '9999-01-01'),
('4', '10004', 'Senior Engineer', '1995-12-03', '9999-01-01'),
('5', '10001', 'Senior Engineer', '1986-06-26', '9999-01-01'),
('6', '10002', 'Staff', '1996-08-03', '9999-01-01'),
('7', '10003', 'Senior Engineer', '1995-12-03', '9999-01-01');

输出

1|10001|Senior Engineer|1986-06-26|9999-01-01
2|10002|Staff|1996-08-03|9999-01-01
3|10003|Senior Engineer|1995-12-03|9999-01-01
4|10004|Senior Engineer|1995-12-03|9999-01-01
5|10001|Senior Engineer|1986-06-26|9999-01-01
6|10002|Staff|1996-08-03|9999-01-01
7|10003|Senior Engineer|1995-12-03|9999-01-01
算法知识视频讲解
添加回答
Java
指offer的剑在哪？头像 指offer的剑在哪？ 
RENAME TABLE titles_test to titles_2017;

ALTER TABLE titles_test RENAME TO titles_2017;

#两个方法在mysql控制台中都可以成功，而在牛客中只有第二个可以ac

发表于 2017-09-01 01:43:25 回复(3)
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