How Hierarchical Structure differs from Network Structure?
A network structure is more a star topology whereas a Hierarchical structure is like a tress... Allowing you to drill down to get to an answer.
Advantages: 1. Network Model allows each record to have multiple parent and child relationships, unlike the hierarchical model which allows only one parent for each child. This forms a lattice like structure. Disadvantages: 1. Companies like IBM chose to stick to the hierarchical models. 2. As hardware speed improved, network models were replaced by more powerful models such as the relational model.
Tesco has a hierarchical structure because it has a lot of layers and a lot of people reporting into more than one person before that information get to the boss. A hierarchical structure has many levels. Each level is controlled by one person. A hierarchical company tends to be a very big company just like Tesco is. In a hierarchy instructions are generally passed down from one person to another until it gets to the…
What hierarchical structure dose the operating system enables you to organize contents of your computer?
ASDA is a hierarchical structure because it has a lot of layers and a lot of people reporting into more than one person before that information get to the boss. A hierarchical structure has many levels. Each level is controlled by one person. A hierarchical company tends to be a very big company just like ASDA.
Wal-Mart's organizational structure is organic model because Wal-Mart's structure is flat, uses cross-hierarchical and cross-functional team, possesses a comprehensive information network (using lateral and upward communication as well as downward), and involves high participation in decision making.
The relational model is a model in which data is isolated by object and foreign keys to those objects which is organized in tables with multiple columns or attributes. The hierarchical model is a model in which the data is organized in a tree structure that allows repeating information using parent/child relationships.
Linear structure is the most commonly used structure. Linear items are itemized by a single component. This means that besides for the first or last piece of data, something will come before or after it. In hierarchical structure the data is arranged in a tree like structure with several levels. Every entry is equal or less then the its previous.