people (employees), and places (warehouses)
Databases models:
Hierarchical databases model - informations is organized into a tree-like structure (using parent/child relationship) in such a way that it cannot have too many relationships
Network databases model - a flexible way of representing objects and their relationships
Relational databases model - stores information in the form of logically related two-dimensional tables
Relational Databases Advantages:
- increased flexibility
- increased scalability and performance
- reduced information redundancy
- increased information integrity (quality)
- increased information security
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