版权声明：三和小钢炮 https://blog.csdn.net/fwx426328/article/details/84032568
| id | name | age |
|---|---|---|
| 0 | 王二 | 23 |
| 1 | 张三 | 24 |
| 2 | 张四 | 25 |
1.查询语句
SELECT * FROM t_table;
SELECT name FROM t_table;
SELECT name FROM t_table WHERE id = 1;
SELECT name, age FROM t_table WHERE name LIKE '%王%';
2.删除语句
DELETE FROM t_table;
DELETE FROM t_table WHERE id = 1;
3.增加语句
INSERT INTO
t_table ('name', 'age')
VALUES ('麻子', '26');
4.修改语句
UPDATE t_table
SET
name = '章三',
age = '34'
WHERE
id = 1;
5.删除后重置主键
谨慎使用
truncate table t_table