CLOUD COMPUTING

CLOUD COMPUTING

DATABASE MANAGEMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Select the disadvantages Hierarchical Model
A
Lack of standards
B
Requires knowledge of physical data storage characteristics
C
Navigational system requires knowledge of hierarchical path
D
With data definition
E
Implementation limitations
Explanation: 

Detailed explanation-1: -Hierarchical Database Disadvantages Limited flexibility: One of the major disadvantages of hierarchical databases is that they are not as flexible as other types of databases, and are not well suited for handling complex data relationships or changes in data structures.

Detailed explanation-2: -Efficiency: It is very efficient because when the database contains a large number of 1:n relationship and when the user require large number of transaction. Large base with a proven technology. Disadvantages: Implementation complexity: While it is simple and easy to design, it is quite difficult to implement.

Detailed explanation-3: -complicated chains of command which can slow down decision-making. inconsistencies in management at different levels which can impede work. delays in communicating vertically through the levels and horizontally between teams. More items

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