Mysql 的行数据存储格式有4种:
Compact
Redundant
Dynamic (Mysql5.7的默认格式) mysql> show variables like '%row_format%';+---------------------------+---------+| Variable_name | Value |+---------------------------+---------+| innodb_default_row_format | dynamic |+---------------------------+---------+1 row in set (0.00 sec)
Compressed
详细信息参考: https://www.cnblogs.com/zhuwenjoyce/p/15032812.html https://dev.mysql.com/doc/refman/5.7/en/innodb-row-format.html
