How to implement a statement to insert multiple rows of data in MySQL?

How to implement the statement of inserting multiple rows of data in MySQL?

In MySQL, sometimes we need to insert multiple rows of data into the table at one time. In this case, we can use the INSERT INTO statement to achieve this. The following will introduce how to use the INSERT INTO statement to insert multiple rows of data, and give specific code examples.

Suppose we have a table named students, which contains id, name and age fields. Now we want to insert multiple pieces of student information at once. We can follow the following steps to achieve this:

1. Use the INSERT INTO statement and specify the field name:

   INSERT INTO students (id, name, age) VALUES

2. Specify multiple value values ​​in the subsequent VALUES clause:

   (1, '张三', 20),
   (2, '李四', 21),
   (3, '王五', 22),
   (4, '赵六', 23);

In this way, we can insert four pieces of student information into the students table at one time. The complete SQL statement is as follows:

INSERT INTO students (id, name, age) VALUES
(1, '张三', 20),
(2, '李四', 21),
(3, '王五', 22),
(4, '赵六', 23);

In practical applications, we can also query data from other tables and insert it into the target table, for example:

INSERT INTO students (id, name, age) 
SELECT id, name, age FROM other_table;

It should be noted that, When inserting multiple rows of data, make sure that the number and order of each value corresponds to the fields of the table to prevent insertion errors. In addition, when inserting large amounts of data, performance and transaction processing factors must also be taken into consideration.

In summary, by using the INSERT INTO statement and specifying multiple values ​​in the VALUES clause, we can insert multiple rows of data in MySQL. Of course, in actual applications, specific scenarios and needs will be different, and adjustments and optimizations need to be made based on specific circumstances.

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