May be referred to as a segmented file structure. The host file is the first file when two files are JOINed together. Indexed Fields Fields in the database that are in a specific order to speed up the retrieval of particular records. Instead of searching through all the data in all the records, the program goes first to the index, and finds a pointer that direct it to the specific record it is looking for. An integer is a positive or negative whole number or zero.
Integers have no decimal places.
The newest and most powerful of the two technologies for combining files together into one file. The fields in the files being JOINed must be indexed. A unique field within a segment usually placed as the first field whose values are used to keep information in the file segment in a sequence. The log file shows the Focus routine and can be used for debugging. The print file is the output produced by the Focus routine.