I would like to know how much space does my MySQL database use, in order to select a web host. I found the command SHOW TABLE STATUS LIKE \'table_name\' so when
SHOW TABLE STATUS LIKE \'table_name\'
SUM(Data_free) may or may not be valid. It depends on the history of innodb_file_per_table. More discussion is found here.
SUM(Data_free)
innodb_file_per_table