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Question 1 Explain the concept of Foreign Key. How a foreign key differs from a Primary Key? Can the Foreign Key accept nulls? Question 2 With a necessary example explain (i)
Conflicting Operations in Schedule: The three simple ways of interleaved instruction implement of transactions T1 and T2. Please note that in the following tables the first col
Ask question #Minim 100 words accepted#what is recovery management component in database management system and how it is useful
gyan gurukul is a software company that provides software related solution.
What is the disadvantage of a call by reference? During a call by reference damage or loss of data is not restricted to the subroutine, but will instantly lead to alters to th
Explain the main advantages of DBMS over File Oriented System ?
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
properties of derirable decomposition
Discuss The difference between drop table R and delete from R. DROP TABLE command deletes all the records with the table definition. This command will automatically committed
What is object identity? An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
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