The correct answer: Data independence
Data independence<span> is the type of </span>data<span> transparency that matters for a centralised DBMS. It refers to the immunity of user applications to changes made in the definition and organization of </span>data<span>. Physical </span>data independence<span> deals with hiding the details of the storage structure from user applications.
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The logical<span> structure of the data is known as the 'schema definition'. In general, if a user application operates on a subset of the </span>attributes<span> of a </span>relation<span>, it should not be affected later when new attributes are added to the same relation. Logical data independence indicates that the conceptual schema can be changed without affecting the existing schemas.
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<span>The physical structure of the data is referred to as "physical data description". Physical data independence deals with hiding the details of the storage structure from user applications. The application should not be involved with these issues since, conceptually, there is no difference in the operations carried out against the data.</span>
Answer:
go to your dashboard and press the number under grade to date (your percentage in the class) and it should show all your assignments that you have done and that still need to be done
Answer:
Step Out
Explanation:
In the field of computer science, the control flow or the flow of control is defined as the order where the individual statements, 
or instructions of a program are 
The Step Out control flow program runs to the 
and it resumes the 
at the statement that it follows.
Answer:
Tabs
Explanation:
The ribbon contains the tabs. The tabs contain the command groups which hold commands
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