2改动数据库和表的字符集mysql自增主键实现原理?alter database maildb default character set utf8;//改动数据库的字符集alter table mailtable default character set utf8;//改动表的字符集MySQL外键约束?假设您想要把表默认的字符集和全部字符列(CHAR, VARCHAR, TEXT)改
今天发现 批量插入下,自增主键不连续了。。。。。。。 InnoDB AUTO_INCREMENT Lock Modes This section describes the behavior ofAUTO_INCREMENTlock modes used to generate auto-increment values, and how each lock mode affects replication. Auto-increment lo