Free Upgrading a MySQL Application Tutorial

Despite excessive planning, though, an application is never perfect whenit’s first released. Invariably, tables will need to be changed and scriptswill need to be replaced. This is fairly easy for a developer to do on his ownserver. The difficulty comes when creating an upgrade program that will makethese changes, a program that non-technical clients can run on their own.Careful planning of an upgrade is required to keep from destroying the client’sdata.In this article I will examine  
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