Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

Using the External Data Connection feature in Excel, you can acquire information from external sources, such as Access and SQL Server. The data remains stored at its original source, but the data ...

I am writing a query which is aggregating some data from one database into a separate database.<BR><BR>Basically, I have a query which returns 3 columns and I have a query that returns 1 ...