Database Management System Question
Database Management System Question With Answer & Solution
Que. - A constraint requires that an entity belong to no more than one lower- level entity set.
Que. - Consider the employee work-team example, and assume that certain employees participate in more than one work team. A given employee may therefore appear in more than one of the team entity sets that are lower level entity sets of employee. Thus, the generalization is
Que. - The completeness constraint may be one of the following: Total generalization or specialization, Partial generalization or specialization. Which is the default?
Que. - Functional dependencies are a generalization of
Que. - Which of the following is another name for a weak entity?
Que. - Which is the main relation which is used in the university database which is referenced by all other relation of the university?
Que. - The department relation has the an entry budget whose type has to be replaced by
Que. - In the above DDL command the foreign key entries are got by using the keyword
Que. - Identify the error in the section relation
Que. - Which of the following can be used as a primary key entry of the instructor relation.
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