answersLogoWhite

0

the logical data independence is hard to achieve because all the manipulation is belonging in logical data independence but in physical data independence only show the physical view .

User Avatar

Wiki User

13y ago

What else can I help you with?

Related Questions

Difference between physical and logical DFD?

difference between physical and logical data flow diagrams.


Is it harder to achieve logical data independence or physical data independence?

It is generally considered more difficult to achieve logical data independence compared to physical data independence. Logical data independence involves separating the conceptual structure of the data from the physical storage aspects, which can be complex depending on the database design. Physical data independence primarily deals with shielding the application from changes in the storage structure, which is usually more straightforward to achieve.


What is true concerning physical and logical topologies?

Logical topologies consist of virtual connections between nodes.


What are the difference between logical and physical tag?

While physical tags are also referred to as presentational mark-up, logical tags are useless for appearances. Physical tags are newer versions while logical tags are old and concentrate on content.


What is the difference between virtual logical and physical address spaces?

The concept of a logical address space is simply involved the process of mapping the Logical addresses to their Physical Addresses . Logical addresses are generated by the CPU; also referred to as virtual addresses.while Physical Address is the actual address of the data stored on the physical device and mapped by MMU.


Difference between logical database and physical database?

A logical database refers to the conceptual schema or model of data relationships and structures, independent of how data is stored or accessed. On the other hand, a physical database involves the actual implementation of the database on a specific hardware system, detailing how data is stored and accessed. The logical database design focuses on the organization of data, while the physical database design focuses on optimizing performance and storage efficiency.


What is the similarities between logical file and physical file?

three similarities is that physical file deals with does file that a


What is difference between logical file and physical file?

* Physical file (PF) contains the data and have only one record format. Logical file (LF) is a view of the physical file which does not contain any data may be based on one physical file or more then one physical file. Logical file can have more then one record format. Logical can be non join or join logical file. Performance becomes better if you use the logical file in the program.


Which layer translates between physical and logical addresses?

Data Link Layer


What is the difference between physical and logical topology?

Physical topology are says how the wire are interconnected, while Logical topology is how the network behaves and interoperates.Sk wasim ul HaqueKharagpur, Madpur


What is the difference between network architecture and network topology?

The difference between architecture and topology is logical vs physical. Architecture is about the logical design of something. Topology is about the physical elements required to enable the architectural design. The difference between architecture and topology is logical vs physical. Architecture is about the logical design of something. Topology is about the physical elements required to enable the architectural design. The difference between architecture and topology is logical vs physical. Architecture is about the logical design of something. Topology is about the physical elements required to enable the architectural design.


What is logical dfd?

the dfd which independent view of the system is called logical dfd