Creating the Field Selection Table (FST) :
Entering of data and creating indexes for searching is a very important feature associated with any information storage and retrieval software package. User-friendliness, reliability and data validation are the major aspects to be considered in this context. Worksheet should be defined by the system manager before any data is entered into the file. After the worksheet is created then data entry is accomplished with the help of data entry menu. Entering and editing aspects of fields is controlled by the Field Editor. It provides the following features:
i) insert and over write mode
ii) moving cursor within a field
iii) text deletion to the end of the field
iv) cut and paste facilities
Moving hack and forth among fields and pages of worksheet can be done on the fly. If the field is found to be erroneous, error messages and audio signals are issued by the program. Also multiple values of a field can be entered continuously if these are separated by a (%) sign.