How do I run a query across multiple databases?

Question

You can use WHILE loop over all database names and inside loop execute query with EXECUTE. I think that statement .How to run the same query on all the databases on an instance?Perform same SQL query on multiple databases - Stack OverflowQuery across multiple databases on same server - Stack OverflowHow to execute single sql query in multiple databases - Stack OverflowДругие результаты с сайта stackoverflow.com

Can you query across multiple 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.

How do I query data from two databases?

In today's blog, we'll learn how to construct and execute a SELECT query that will fetch data from multiple databases using navicat Premium's SQL Editor.1Setting up the Environment. We'll be needing a couple of tables, each within their own database. ... 2Multiple Database SELECT Syntax. ... 3Using Table JOINs. ... 4Conclusion.How to Query across Multiple Databases - Navicat

Can you query across databases?

You can write queries that select from tables in different databases on the same appliance. You can run cross-database queries from any database that belongs to the same appliance as the tables listed in the FROM clause.

How can I access multiple databases in SQL query?

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.Join Tables from Different Databases in SQL Server - Data to Fish

Expert · Answer