Real-world relationships are often complex—one user may belong to multiple communities ... At this point, relational ...

It sounds like a Hollywood script – a large, world-class organization assembles a team of specialists adept in unique ...

When data analysis involves different business systems, cross-database computations become necessary. Of these computations, JOIN between tables are particularly challenging, as many databases lack ...

For in-market versions of SQL Server 2019 and 2017, we had added an improvement that allowed the Stretch Database feature to stretch a table to an Azure SQL Database. Effective July 9, 2024, the ...

A few months ago a new option was added to the Sql.Database and Sql.Databases functions in Power Query in Power BI and Excel which allows Power Query queries that combine data from different SQL ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

Relational databases store data in multiple related tables. There are various approaches to selecting data from multiple tables, with SQL JOINS being the most common technique. You can use different ...