请用一条 sql 语句将 employee 表中的所以记录插入到employee2表中
时间: 2023-12-10 12:40:26 浏览: 35
可以使用以下 SQL 语句将 employee 表中的所有记录插入到 employee2 表中:
```
INSERT INTO employee2 SELECT * FROM employee;
```
这条语句会将 employee 表中的所有列和行插入到 employee2 表中。请确保 employee 和 employee2 表的结构相同。
相关问题
将employ.csv的全部数据在employee表中插入的sql脚本
假设employee表的结构如下:
```sql
CREATE TABLE employee (
id INT PRIMARY KEY AUTO_INCREMENT,
name VARCHAR(50),
age INT,
gender VARCHAR(10),
department VARCHAR(50)
);
```
则可以使用以下SQL脚本将employ.csv中的全部数据插入到employee表中:
```sql
LOAD DATA INFILE '/path/to/employ.csv'
INTO TABLE employee
FIELDS TERMINATED BY ',' ENCLOSED BY '"'
LINES TERMINATED BY '\n'
IGNORE 1 ROWS;
```
其中,`/path/to/employ.csv`为employ.csv文件的路径。需要注意的是,如果MySQL服务器和客户端不在同一台机器上,需要在LOAD DATA INFILE语句前加上`LOCAL`关键字。
把employee表中数据按照department分类细分成子表(12张表)sql语句
可以使用以下 SQL 语句将 employee 表中的数据按照 department 分类细分成子表:
```sql
-- 创建子表
CREATE TABLE employee_dept1 AS
SELECT * FROM employee WHERE department = 'dept1';
CREATE TABLE employee_dept2 AS
SELECT * FROM employee WHERE department = 'dept2';
-- 依此类推,创建剩余的子表
CREATE TABLE employee_dept3 AS
SELECT * FROM employee WHERE department = 'dept3';
CREATE TABLE employee_dept4 AS
SELECT * FROM employee WHERE department = 'dept4';
CREATE TABLE employee_dept5 AS
SELECT * FROM employee WHERE department = 'dept5';
CREATE TABLE employee_dept6 AS
SELECT * FROM employee WHERE department = 'dept6';
CREATE TABLE employee_dept7 AS
SELECT * FROM employee WHERE department = 'dept7';
CREATE TABLE employee_dept8 AS
SELECT * FROM employee WHERE department = 'dept8';
CREATE TABLE employee_dept9 AS
SELECT * FROM employee WHERE department = 'dept9';
CREATE TABLE employee_dept10 AS
SELECT * FROM employee WHERE department = 'dept10';
CREATE TABLE employee_dept11 AS
SELECT * FROM employee WHERE department = 'dept11';
CREATE TABLE employee_dept12 AS
SELECT * FROM employee WHERE department = 'dept12';
```
以上 SQL 语句将按照 department 分类细分成 12 张子表,每个子表对应一个 department。注意,这种方式可能会导致数据冗余,因此需要根据实际情况进行评估。