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Database Managment System QUESTIONS

Exam NameDatabase Managment System QUESTIONS
DescriptionDatabase Managment System QUESTIONS and Answers exams contains the questions from various competitive exams.These questions are the part of previous year paper.These kind of questions would be helpful in preparing for exams like IAS, PCS, UPSC, NDA, CDS SSC, RRB, PSC, IBPS

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Question: When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n) ........

Answer:referential integrity constraint

Question: In the architecture of a database system external level is the

Answer:view level

Question: A functional dependency is a relationship between or among .......


Question: Related fields in a database are grouped to form a

Answer:data record

Question: .......... is, a table have more than one set of attributes that could be chosen as the key

Answer:candidate key

Question: The database environment has all of the following components except.


Question: The operation of eliminating columns in a table done by ........ operation.


Question: The way a particular application views the data from the database that the application uses is a

Answer:sub schema

Question: In an object oriented model, one object can access data of another object by passing?


Question: _______ produces the relation that has attributes of R1 and R2

Answer:Cartesian product

Question: Architecture of the database can be viewed as

Answer:three levels.

Question: In a relational model, relations are termed as


Question: The tables generated on compilation of data definition language are stored in ____________

Answer:Data dictionary

Question: Features of XML include which of the following?

Answer:Addresses the structuring and manipulation of the data involved.

Question: Fifth Normal form is concerned with _________

Answer:Join dependency

Question: Shadow paging has

Answer:no redo

Question: In an E-R diagram an entity set is represent by a


Question: The default level of consistency in SQL is _________


Question: An abstract class is which of the following?

Answer:A class that has no direct instances, but whose descendants may have direct instances.

Question: In the relational modes, cardinality is termed as _________

Answer:Number of tuples.