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 ...

Ars Legatus Legionis 24y 11,116 Mar 29, 2010 #2 You'd need to effectively have a one-column table, say, "wrenches", that listed only wrenching tools (with a foreign key constraint to "tools"), and ...

After my post earlier this week on creating current day/week/month/year reports in Power BI a few people asked me for a more detailed explanation of the way I was creating tables without using a data ...

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

If you find yourself doing this a lot in Microsoft SQL Server, you can get better performance by using a table-valued function instead and using CROSS APPLY in the query.

If your business uses relational databases to store data, it helps to use the SQL SELECT command with the INTO clause to create new tables from query results. This method isn't ANSI-standard SQL ...

In addition to querying a single table, you can also perform cross-table queries in LINQ to DataSet. This is done by using a join. A join is the association of objects in one data source with objects ...

Cross-Table Queries (LINQ to DataSet) In addition to querying a single table, you can also perform cross-table queries in LINQ to DataSet. This is done by using a join. A join is the association of ...