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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
Exam TypeMASTER EXAM
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creatorAnirudh(39270)

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Question: In RDBMS, Data is presented as a collection of _________

Answer:Relation


Question: The view of total database content is

Answer:Conceptual view


Question: Which of the following are the properties of entities?

Answer:Attributes


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

Answer:data record


Question: Which of the following is true for network structure?

Answer:It is a physical representation of the data.


Question: The fact that the same operation may apply to two or more classes is called _________

Answer:Polymorphism


Question: DBMS is a collection of _________ that enables user to create and maintain a database.

Answer:Program


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

Answer:Data Record


Question: DFD stands for

Answer:Data flow diagram


Question: Checkpoints are a part of _________

Answer:Recovery measures


Question: In a Hierarchical model records are organized as

Answer:Tree.


Question: Which of the following modifications may not succeed?

Answer:Changing a column data type from char to date


Question: ____________ defines the structure of a relation which consists of a fixed set of attribute-domain pairs.

Answer:Schema


Question: The operation which is not considered a basic operation of relational algebra is

Answer:Join


Question: The method in which records are physically stored in a specified order according to a key field in each record is _________

Answer:hash


Question: The number of attributes in relation is called as its ____________

Answer:Degree


Question: The overall logical structure of data base can be expressed graphically by?

Answer:Entity relationship diagram


Question: DROP is a ______________ statement in SQL

Answer:DDL


Question: The ________ states that a foreign key must either match a primary key value in another relation or it must be null.

Answer:entity integrity rule


Question: The ability to modify the conceptual schema without causing any change to the application program is known as _________

Answer:Logical data independence