Computer Science · Database Management Systems
Which characteristic of the Hierarchical Model makes it difficult to represent a student enrolled in multiple courses?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1High data redundancy caused by the lack of pointers
- 2The requirement that all data must be stored in a single flat file
- 3The inability to use primary keys in a tree structure
- 4Lack of support for many-to-many relationships due to the single-parent constraint✓
Correct answer
Lack of support for many-to-many relationships due to the single-parent constraint
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