For NDB : The size of the file in bytes. This is the same value that was used in the INITIAL_SIZE clause of the CREATE LOGFILE GROUP , ALTER LOGFILE GROUP , CREATE TABLESPACE , or ALTER TABLESPACE  statement used to create the file. 

• MAXIMUM_SIZE 

For InnoDB : The maximum number of bytes permitted in the file. The value is NULL  for all data files except for predefined system tablespace data files. Maximum system tablespace file size is defined by innodb_data_file_path . Maximum global temporary tablespace file size is defined by innodb_temp_data_file_path . A NULL  value for a predefined system tablespace data file indicates that a file size limit was not defined explicitly. 

For NDB : This value is always the same as the INITIAL_SIZE  value. 

• AUTOEXTEND_SIZE 

The auto-extend size of the tablespace. For NDB , AUTOEXTEND_SIZE  is always NULL . 

• CREATION_TIME 

This is always NULL . 

• LAST_UPDATE_TIME 

This is always NULL . 

• LAST_ACCESS_TIME 

This is always NULL . 

• RECOVER_TIME 

This is always NULL . 

• TRANSACTION_COUNTER 

This is always NULL . 

• VERSION 

For InnoDB : This is always NULL . 

For NDB : The version number of the file. 

• ROW_FORMAT 

For InnoDB : This is always NULL . 

For NDB : One of FIXED  or DYNAMIC . 

• TABLE_ROWS 

This is always NULL . 

• AVG_ROW_LENGTH 

This is always NULL . 

• DATA_LENGTH 

