Database structure
Throughout the subsequent diagrams, the following naming conventions and standards have been used:
- SEG is a segment from another database record.
- SEGmn designates a segment of type m as shown on the hierarchical structure diagram which follows. n indicates that it is the nth occurrence of that segment type within the database record.
- FS signifies that the area is free space.
- Arrows signify pointers.
Figure 1 shows the hierarchical structure that will be used as an example.
Figure 1. Example database structure
Figure 2 shows the database record that will be used as an example.
Figure 2. Example database record
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