TCL stands for Transaction Control Language. When any traction occurs into a relational database, then sometimes the administrator should commit or rollback into that situation.
This command used to store inserted record for fix into table in relational database.but doing this operation first start transaction, for that type – START TRANSACTION
This command is used to remove records inserted after a commit into the table.
Lets understand this from the image below. Lets understand the work of ROLLBACK and COMMIT into table. but doing this operation first start transaction, for that type – START TRANSACTION