InnoDB is a Database Engine for MySQL providing a lot of functionality to service. 

InnoDB stores table structures and datas in different files in storage in default with an option to disable and store in a single file.

Overall structure is:

tablename.ibd stores data of table
tablename.frm contains structure and definitions

If you are looking for consultation, fill the Contact Form below.

The supreme art of war is to subdue the enemy without fighting. Sun Tzu