How to Restore a SQL Database From a .MDF File. Computer database software such as Microsoft's SQL Server benefits all types of businesses, as it makes recordkeeping fast, flexible and secure.

How to Use SQL Statements in MS Excel. With most Excel spreadsheets, you enter data manually into cells and then use formulas or other functions to analyze it or perform calculations.

While we've covered how to add users to the database, let's take it one step further and designate specific roles.