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mysql 创建表并设置主键自增 mysql 创建表: mysql> create table user( -> userid int ( 4 ) primary key not null auto_increment, -> username varchar(16 ) not null , -> userpassword varchar(32 ) not null -> ); create table log( logid int ( 4 ) primary key not null auto_increment, logtitle varchar(32 ) not null , logcontent varchar(160 ) not null , logtime datetime not null , userip varchar(64 ) not null ); 作者 fanjf bitsCN.com