Assuming, you have a super highly extremely secret data in your database. one day, you need to add an application which requires information in the database, but you are not letting any application access your database.
how are you going to do that?
1. don’t upgrade your application
2. make replication database
oh, okay, we don’t have any other choice, then we replicate the database so your super secret data will be save. rite, then how are we going to replicate the database? oh easy, we access the super secret database and take the data we needed.
… me: eh, =__=…
*reading case study~*