2a. List the advantages and disadvantages of the Hierarchical Database model.
Advantages |
Disadvantages |
Supports 1:M Relationships There is always a link between a parent and a child (Data Integrity) Designed to support large databases There are numerous ‘tried-and-true’ applications available |
Complex to manage Does not readily support M:M applications Complex Programming Required Programming Requires a complete knowledge of the physical layout of the database |