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Define the terms i) Entity type ii) Entity set Entity type: An entity type describes a collection of entities that have the similar attributes. Entity set: The set of all en
example of bank
What is the use of RAID? A variety of disk-organization methods, collectively called redundant arrays of independent disks are used to better the performance and reliability.
What are domain constraints? A domain is a set of values that might be assigned to an attribute .all values that appear in a column of a relation must be taken from the similar
Illustration of implementation of inheritance Let us take the illustration of implementation of inheritance. Suppose that we are about to implement the Stack class and by now w
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
What are the disadvantages of relational data ? Disadvantages • Performance - If the number of tables among that relationships to be established are large and the tables t
What is a function group? A function group is a collection of logically related modules that share global data with every other. All the modules in the group are contained in
What does conceptual design work? A conceptual design involves modelling independent of the DBMS.
Which method is used to key transformation ? A hash method is used to key transformation.
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