[MySQL] innoDB引擎的主键与聚簇索引

| select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+-------+---------------+---------+---------+-------+------+-------+ | 1 | SIMPLE | tblz | const | PRIMARY | PRIMARY | 4 | const | 1 | | +----+-------------+-------+-------+---------------+---------+---------+-------+------+-------+

 

[MySQL] innoDB引擎的主键与聚簇索引

标签：innodb   class   就是   pre   code   计划   建表   必须   ODB