MEDIUM
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IMPORTANT
Earn 100
For a weak entity set to be meaningful, it must be associated with another entity set, called the _____.
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Important Questions on Practice Sets
HARD
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IMPORTANT
The following program:
Main()
{
Printf("times");
Main();
}
EASY
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IMPORTANT
Which view that contains more than one table in the top-level FROM clause of the SELECT statement:
MEDIUM
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IMPORTANT
Banker's algorithm for resource allocation deals with:
HARD
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IMPORTANT
Generation of intermediate code based on a abstract machine model is useful in compilers because:
EASY
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IMPORTANT
Empdt1(empcode, name, street, city, state, pincode).
For any pincode, there is only one city and state. Also, for given street, city and state, there is just one pincode. In normalization terms, empdt is a relation in:
MEDIUM
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IMPORTANT
Which of the following is not a valid deadlock prevention scheme?
EASY
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IMPORTANT
A grammar for a programming language is a formal description of:
MEDIUM
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IMPORTANT
Amongst the ACID properties of a transaction, the 'Durability' property requires that the changes made to the database by a successful transaction persist:
