How do I select multiple databases in SQL?

Can you query multiple databases in SQL?

Multiple Databases on One Server Instance It is possible to use SQL to write one query that combines the information from many databases. There are two requirements: You must prefix all table references with the database name (e.g. customers.

How do I run a query across multiple databases?

In SQL Server management studio, using, View, Registered Servers (Ctrl+Alt+G) set up the servers that you want to execute the same query across all servers for, right click the group, select new query.

How do I select all SQL databases?

To view a list of databases on an instance of SQL Server1In Object Explorer, connect to an instance of the SQL Server Database Engine, and then expand that instance.2To see a list of all databases on the instance, expand Databases.View list of databases on SQL Server - Microsoft Docs

Can you query across databases?

With cross-database queries, you can seamlessly query data from any database in the cluster, regardless of which database you are connected to. Cross-database queries can eliminate data copies and simplify your data organization to support multiple business groups on the same cluster.