MySQL drop, truncate, delete, select

drop table Tb_name

Truncate Tb_name

Delete from Tb_name (where)

The drop is the most powerful, no way to get it back.

Truncate cannot be rolled back in a transaction (rollback), the data for the entire table is deleted, the index is reassigned (starting at 0), and the number of rows is not returned.

Delete can be rolled back in a transaction and deleted one line at a time. Does not delete the index, or starts the index from the location that was previously deleted , returning the number of rows deleted.

Select Find Data

You can also display the database version that is used by the database.

Select Database ();

Select version ();

MySQL drop, truncate, delete, select