set @old_innodb_file_format_max=@@innodb_file_format_max; select @old_innodb_file_format_max; @old_innodb_file_format_max Barracuda set global innodb_file_format_max = Barracuda; Warnings: Warning 131 Using innodb_file_format_max is deprecated and the parameter may be removed in future releases. See https://mariadb.com/kb/en/library/xtradbinnodb-file-format/ select @@innodb_file_format_max; @@innodb_file_format_max Barracuda set global innodb_file_format_max = DEFAULT; Warnings: Warning 131 Using innodb_file_format_max is deprecated and the parameter may be removed in future releases. See https://mariadb.com/kb/en/library/xtradbinnodb-file-format/ select @@innodb_file_format_max; @@innodb_file_format_max Antelope set global innodb_file_format_max = @old_innodb_file_format_max; Warnings: Warning 131 Using innodb_file_format_max is deprecated and the parameter may be removed in future releases. See https://mariadb.com/kb/en/library/xtradbinnodb-file-format/ select @@innodb_file_format_max; @@innodb_file_format_max Barracuda set global innodb_file_format_max = cheetah; ERROR 42000: Variable 'innodb_file_format_max' can't be set to the value of 'cheetah' set global innodb_file_format_max = Bear; ERROR 42000: Variable 'innodb_file_format_max' can't be set to the value of 'Bear' set global innodb_file_format_max = on; ERROR 42000: Variable 'innodb_file_format_max' can't be set to the value of 'ON' set global innodb_file_format_max = off; ERROR 42000: Variable 'innodb_file_format_max' can't be set to the value of 'off' Warnings: Warning 131 Using innodb_file_format_max is deprecated and the parameter may be removed in future releases. See https://mariadb.com/kb/en/library/xtradbinnodb-file-format/