What are some of the uses of the INSERT command in MySQL?

In MySQL, the INSERT statement is used to insert new data rows into a table. Here are some scenarios where INSERT statements are used:

1. Adding new data: The most common usage is to insert new data rows into a database table. This can be done by specifying the columns to insert along with their corresponding values.
2. Copying data: You can use the INSERT INTO … SELECT statement to select data from one table and insert it into another table. This is useful when you need to duplicate data or move data from one table to another.
3. Bulk insert data: When needing to insert multiple rows of data at the same time, one can use the INSERT INTO … VALUES statement to insert multiple data rows at once, in order to improve efficiency.
4. Insert the value of a computed column: When inserting data, you can use expressions or functions to calculate the value to be inserted in a column, in order to insert corresponding data based on the values of other columns.
5. Insert default values: When certain columns allow for null values or have default values, you can use the INSERT INTO … DEFAULT VALUES statement to insert default values.
6. Inserting query results: You can use a subquery to directly insert the query results into the target table, which can help avoid redundant data transfer logic.

In conclusion, the applications of the INSERT statement in MySQL include adding new data, copying data, batch inserting data, inserting values for computed columns, inserting default values, and inserting query results.