摘要:
-- 第一个会话执行 drop table if exists test1; create table test1( id int not null ,name int ,primary key(id) ,unique key(name) ) engine=innodb ; begin; inser 阅读全文
摘要:
select replace(convert(info using ascii),"?","") as info_fix ,convert(info using ascii) as info_fix2 ,substring_index(substring_index(INFO,'\n',2),'\n 阅读全文