Should I have multiple databases?

Can I use 2 databases?

You can use two databases the same reason most banks have two ATMs, for reliability. You can swap one in if the other fails, but to do it quickly requires setup, such as a cname and controlling your own DNS server.

When should you use a separate database?

3 Answers. Show activity on this post. If you ever need to move the application, independently of the user database, then you need a separate database for the application (in whatever form that takes), so that the database can travel with the application, leaving the user data intact in its original location.

Why is it important to use different databases?

Within systematic reviews, when searching for relevant references, it is advisable to use multiple databases. However, searching databases is laborious and time-consuming, as syntax of search strategies are database specific.

Why do organizations create multiple databases?

Why do organizations create multiple databases? First, because of resource limitations, organizations fund development of their information systems one application at a time. Second, organizations may acquire some of their information systems from outside vendors. This also results in a proliferation of databases.