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Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
coventions for displaying an ER schema as ER diagram
Type of views : Simple views and Difficult Views Feature Simple Views Complex Views Number of tables One
An example of a weak entity is Staff because the availabilityID cannot be uniquely identified unless it is used in conjunction with the foreign key known as availabilityID in the A
Question: a) What is Client/Server and what benefits can be expected from Client/Server systems? b) Explain what middleware is and what it does. Why would MIS managers be p
What is object identity? An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
a project based on normalization with first, second and third normalization. There need to be a diagram also
a brief definition
What is the meaning of Recovery? In deferred update methods, if a transaction fails before arriving its commit point, it will not have altered the database in any way, so UNDO
Explain Superkey Ans: A superkey is described in the relational model of database organization like a set of attributes of a relation variable for which it holds that in all re
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