菜单
×
   ❮     
HTML CSS JAVASCRIPT SQL PYTHON JAVA PHP How to W3.CSS C C++ C# BOOTSTRAP REACT MYSQL JQUERY EXCEL XML DJANGO NUMPY PANDAS NODEJS R TYPESCRIPT ANGULAR GIT POSTGRESQL MONGODB ASP AI GO KOTLIN SASS VUE DSA GEN AI SCIPY AWS CYBERSECURITY DATA SCIENCE
     ❯   

MySQL 教程

MySQL HOME MySQL Intro MySQL RDBMS

MySQL SQL

MySQL SQL MySQL SELECT MySQL WHERE MySQL AND, OR, NOT MySQL ORDER BY MySQL INSERT INTO MySQL NULL Values MySQL UPDATE MySQL DELETE MySQL LIMIT MySQL MIN and MAX MySQL COUNT, AVG, SUM MySQL LIKE MySQL Wildcards MySQL IN MySQL BETWEEN MySQL Aliases MySQL Joins MySQL INNER JOIN MySQL LEFT JOIN MySQL RIGHT JOIN MySQL CROSS JOIN MySQL Self Join MySQL UNION MySQL GROUP BY MySQL HAVING MySQL EXISTS MySQL ANY, ALL MySQL INSERT SELECT MySQL CASE MySQL Null Functions MySQL Comments MySQL Operators

MySQL 数据库

MySQL Create DB MySQL Drop DB MySQL Create Table MySQL Drop Table MySQL Alter Table MySQL Constraints MySQL Not Null MySQL Unique MySQL Primary Key MySQL Foreign Key MySQL Check MySQL Default MySQL Create Index MySQL Auto Increment MySQL Dates MySQL Views

MySQL References

MySQL Data Types MySQL Functions

MySQL Examples

MySQL Examples MySQL Editor MySQL Quiz MySQL Exercises MySQL Certificate

MySQL INSERT INTO 语句


MySQL INSERT INTO 语句

INSERT INTO 语句用于向表中插入新记录。

INSERT INTO 语法

INSERT INTO 语句有两种写法:

1. 指定列名和要插入的值

INSERT INTO 表名 (列1, 列2, 列3, ...)
VALUES (值1, 值2, 值3, ...);

2. 如果为表中的所有列添加值,则无需在 SQL 查询中指定列名。但请确保值的顺序与表中的列顺序相同。此时,INSERT INTO 语法如下:

INSERT INTO 表名
VALUES (值1, 值2, 值3, ...);

演示数据库

以下是 Northwind 示例数据库中“Customers”表的选段

CustomerID CustomerName ContactName Address City PostalCode Country
89 White Clover Markets Karl Jablonski 305 - 14th Ave. S. Suite 3B Seattle 98128 USA
90

Wilman Kala Matti Karttunen Keskuskatu 45 Helsinki 21240 Finland
91

Wolski Zbyszek ul. Filtrowa 68 Walla 01-012 Poland


INSERT INTO 示例

以下 SQL 语句在“Customers”表中插入一条新记录:

示例

INSERT INTO Customers (CustomerName, ContactName, Address, City, PostalCode, Country)
VALUES ('Cardinal', 'Tom B. Erichsen', 'Skagen 21', 'Stavanger', '4006', 'Norway');

The selection from the "Customers" table will now look like this

CustomerID CustomerName ContactName Address City PostalCode Country
89 White Clover Markets Karl Jablonski 305 - 14th Ave. S. Suite 3B Seattle 98128 USA
90

Wilman Kala Matti Karttunen Keskuskatu 45 Helsinki 21240 Finland
91

Wolski Zbyszek ul. Filtrowa 68 Walla 01-012 Poland
92 Cardinal Tom B. Erichsen Skagen 21 Stavanger 4006 Norway

您注意到我们没有在 CustomerID 字段中插入任何数字吗?
CustomerID 列是 自动递增 字段,将在新记录插入表中时自动生成。


仅插入指定列的数据

也可以只在特定列中插入数据。

以下 SQL 语句将插入一条新记录,但仅在“CustomerName”、“City”和“Country”列中插入数据(CustomerID 将自动更新):

示例

INSERT INTO Customers (CustomerName, City, Country)
VALUES ('Cardinal', 'Stavanger', 'Norway');

The selection from the "Customers" table will now look like this

CustomerID CustomerName ContactName Address City PostalCode Country
89 White Clover Markets Karl Jablonski 305 - 14th Ave. S. Suite 3B Seattle 98128 USA
90

Wilman Kala Matti Karttunen Keskuskatu 45 Helsinki 21240 Finland
91

Wolski Zbyszek ul. Filtrowa 68 Walla 01-012 Poland
92 Cardinal null null Stavanger null Norway

通过练习来测试自己

练习

Insert a new record in the Customers table.

 Customers 
CustomerName, 
Address, 
City, 
PostalCode,
Country
 
'Hekkan Burger',
'Gateveien 15',
'Sandnes',
'4306',
'Norway';

开始练习


×

联系销售

如果您想将 W3Schools 服务用于教育机构、团队或企业,请发送电子邮件给我们
sales@w3schools.com

报告错误

如果您想报告错误,或想提出建议,请发送电子邮件给我们
help@w3schools.com

W3Schools 经过优化,旨在方便学习和培训。示例可能经过简化,以提高阅读和学习体验。教程、参考资料和示例会不断审查,以避免错误,但我们无法保证所有内容的完全正确性。使用 W3Schools 即表示您已阅读并接受我们的使用条款Cookie 和隐私政策

版权所有 1999-2024 Refsnes Data。保留所有权利。W3Schools 由 W3.CSS 提供支持