SQL statement renamed if a mysql table exists-php Tutorial

Mysql uses the. SQL file to import data to the renamed SQL statement if the TABLE exists. if the TABLE table1 is imported, the TABLE table1 first needs to be modified.
How can I write this SQL statement? Thank you.

Reply to discussion (solution)

Which table name is changed?

Change an existing table? So there is no error in the application that uses this table?
In the SQL file to be imported? This is not an SQL task.

Which table name is changed?

Change an existing table? So there is no error in the application that uses this table?
In the SQL file to be imported? This is not an SQL task.

To change the database, I need to judge in the. SQL file that the table I want to import exists and rename it.

Which table name is changed?

Change an existing table? So there is no error in the application that uses this table?
In the SQL file to be imported? This is not an SQL task.

To change the database, I need to judge in the. SQL file that the table I want to import exists and rename it. Is there a statement to delete a table if it exists? is there a statement to rename a table if it exists?