引言
大家在面试中有没遇到面试官问你下面六句Sql的区分呢
select * from table where id = ?
select * from table where id < ?
select * from table where id = ? lock in share mode
select * from table where id < ? lock in share mode
select * from table where id = ? for update
select * from table where id < ? for updateselect * from tabl
