In the previous lessons, you learned about various types of R:BASE files: the application files (.RBA), the command files, (.RMD) and the database files (.RX1, .RX2, .RX3, and .RX4). You need to back up the command files and application files only when they change. However, because the database files contain any changes or additions you make to the database, you should back up these files regularly. Throughout the rest of this lesson, we will be referring to these files.
To determine how often to back up the database, you should consider the following:
•How much data is entered into the database and how often?
•How hard would it be to reconstruct the data if lost?
SkyWrite Ink is a fairly small company. Employees enter a few rows of information about new customers and flight information each day. Because there are only a few new rows added daily and the information is easy to reconstruct, weekly backups are sufficient.
