How we can open multiple database?

How we can open multiple data base file with example?

Open multiple databases at the same time Each time you start Access, you open a new instance of it. For example, to have two Access databases open at the same time, start Access and open the first Access database, and then start a new instance of Access and open the second database.

Can you have multiple databases?

There are three types of consolidation: Host multiple databases on a single SQL Server instance. Host multiple SQL Server instances on a single machine. Host multiple virtual SQL Server machines on a single physical machine.

What is multiple database file?

Multiple Files for a Database. All data for a database is now stored in multiple files rather than a single file. Typically, each column is stored in a separate file. For tables with many columns, columns are automatically grouped and each group is stored in a single file.

How can we use two databases to a single application?

so, based on user login, the application should connect different database server. For Ex: if user "xxx" login with credential and belogs to "ABC" company and the database is "ABC", then ABC data need to display on the web page.