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

How to Find All Scheduled Jobs in SQL. Microsoft's SQL Server database software includes a job scheduling system which lets you perform routine business activities such as reporting and database ...

How to Perform Multiple Queries on an Excel Spreadsheet. Using the External Data Connection feature in Excel, you can acquire information from external sources, such as Access and SQL Server. The ...