What are the functions of the “insert” command in MySQL?

In MySQL, the INSERT statement is used to add new rows to a database table. The functionality of the INSERT statement includes:

1. You can insert a single line of data by using the INSERT INTO statement.
2. Insert multiple rows of data: you can use the INSERT INTO VALUES statement to insert multiple rows of data at once.
3. Insert specific field data: you can specify the fields to insert and provide the corresponding values.
4. Insert query results: You can insert data from another query result using a subquery.
5. Insert default values: The numerical values of specified fields can be omitted and will be filled by the default values set by the database table.
6. Inserting auto-increment primary key values: You can insert auto-increment primary key values, the system will automatically increment.

Overall, the purpose of an INSERT statement is to add new data rows into a database table and can be done using various methods.