Can we use multiple database?

Can we use two databases in single project?

Generally, if one project consumes multiple databases, it is because it must consume different, often legacy sources of information that originated outside of this particular project. This is most common in Enterprise environments.

How can I use two databases?

Steps to Join Tables from Different Databases in SQL Server1Step 1: Create the first database and table. ... 2Step 2: Create the second database and table. ... 3Step 3: Join the tables from the different databases in SQL Server. ... 4Step 4 (optional): Drop the databases created.

What is multiple database?

A multi-model database is a management system that combines multiple database types with a single backend. Most database management systems support only a single database model. On the other hand, multi-model databases store, query, and index data from different models.

Can a database have another database?

No, it is not possible to make a nested database in MySQL. MySQL supports a simple and flat structure. You cannot nest databases (and of course not tables, nor fields). If you want to group databases together in MySQL for any reason (like availability), then you can use a common prefix when naming them.