How to lock a MySQL datasheet

mysql| data tables can be locked to ensure the security of the datasheet when data tables are checked or patched:
Mysql>lock TABLE tbl_name READ;
Mysql>flush TABLES;
The task of checking or patching a data table before it is locked. Complete and then unlock:
Mysql>unlock TABLES;
Lock TABLE Tbl_name read indicates that you want to lock into a read-only state where the user can only read the data table and not write to it.
Lock TABLE Tbl_name Write is a more restrictive lock that the user cannot read or write to.