The topic shows the design process for software architect.Also there are serveal architect style descibed int the topic.
In the end , to demo a call center atchitect design.
8. 优化之后的SQL原型 Select UserID from tblUserwhere UserNameHash= -1234589 and UserPasswordHash= 123456 Select UserID from tblUser where UserNameHash = -1234589 and UserPasswordHash = 123456andUserName = ‘LoginName’ and UserPassword = ‘PasswordMD5’