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Physical independence refers to a person's ability to perform daily tasks and activities without relying on assistance from others. It involves being able to move, function, and care for oneself without limitations or restrictions. Maintaining physical independence is important for overall well-being and quality of life.

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1y ago

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Which one between logical and physical data independent is harder to achieve and why?

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 .


Why logical data independence is more difficult than physical data independence?

Logical data independence is considered more difficult than physical data independence because it involves changes to the conceptual schema and external schema, which are more closely tied to the way data is organized and viewed in the application. Physical data independence, on the other hand, deals with changes to the internal schema, which is more abstract and can be modified with less impact on the overall system.


What Logical data independence and physical data?

Logical data independence refers to the ability to modify the conceptual schema without changing the external schemas or application programs. In contrast, physical data independence allows changes to the internal schema – like indexes and storage structures – without affecting the conceptual or external schemas.


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.


How it is related to data independence?

Hi, Data Independence refers to the immunity of user application to make changes in the definition and organization of Data. There are three types of Data Independence - 1. Logical Data Independence - The ability to change the logical (conceptual) schema without changing the External schema (User View) is called logical data independence. 2. Physical Data Independence - The ability to change the physical schema without changing the logical schema is called physical data independence. 3. View Data Independence - always independent,no effect.


2.5 What is the difference between logical data independence and physical data independence?

The logical data independence is the ability to modify a logical schema without making external view or application program change. The physical data independence is the ability to modify a physical schema without making external view or application prrogram change.


Is the Declaration of Independence a concrete noun?

No, the Declaration of Independence is not a concrete noun. Concrete nouns are things that can be perceived by the senses, like "table" or "book." The Declaration of Independence is an abstract noun, representing an idea or concept.


What physical factors can inhibit someones independence?

Their need for equipment and other similar support


What physical characteristics allow reptiles independence from water?

Waterproof skin and waterproof eggshells.


What do you mean by data independence?

the ability to modify the structure or schema of one level without affecting the other level is call data independence it is of two type physical data independence logical data independence


How are the internal external and conceptual schemas related to concept of logical and physical data independence?

The internal schema represents the physical storage structure of data, the external schema represents how different users view the data, and the conceptual schema defines the logical structure of the entire database. Logical data independence means that the conceptual schema can change without affecting the external schemas, while physical data independence means that changes in the physical storage structures do not affect the conceptual or external schemas.


What Logical data independence and physical data independence?

Logical Data Independence : The ability to change the logical schema without changing the external schema or application programs is called as Logical Data Independence.Physical Data Independence : The ability to change the physical schema without changing the logical schema is called as Physical Data Independence.Logical Data Independence :being able to maintain change at external layer without having to make any change at the concept.Physical Data Independence : we want to be able to make any change on the conceptual level to deal without any change at the physical