Microsoft SQL is a relational database you can configure to run as multiple copies, or instances, on a single computer. When running a small business, keeping multiple instances of Microsoft SQL on a ...

The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can take several seconds; with the ...

A Query is a tool that retrieves data from a single table or multiple tables; it is the most powerful tool to analyze your data in Microsoft Access; Basically, a Query is just a question presented in ...