IT Interview Exam Questions: Database Management System 1 (IT Campus Placement)
Subject: Database Management System 1
Part 1: List for questions and answers of Database Management System
Q1. Which of the following products was an early implementation of the relational model Developed by e.f. codd of ibm?
A) idms
B) db2
C) dbase-ii
D) r:base
Q2. The following are components of a database except ________
A) user data
B) metadata
C) reports
D) indexes
Q3. An application where only one user accesses the database at a given time is an example Of a(n) ________
A) single-user database application
B) multiuser database application
C) e-commerce database application
D) data mining database application
Q4. An on-line commercial site such as amazon.com is an example of a(n) ________
A) single-user database application
B) multiuser database application
C) e-commerce database application
D) data mining database application
Q5. Which of the following products was the first to implement true relational algebra in a Pc dbms?
A) idms
B) oracle
C) dbase-ii
D) r:base
Q6. Sql stands for ________
A) structured query language
B) sequential query language
C) structured question language
D) sequential question language
Q7. Because it contains a description of its own structure, a database is considered to be ________
A) described
B) metadata compatible
C) self-describing
D) an application program
Q8. The following are functions of a dbms except ________
A) creating and processing forms
B) creating databases
C) processing data
D) administrating databases
Q9. Helping people keep track of things is the purpose of a(n) ________
A) database
B) table
C) instance
D) relationship
Q10. Which of the following products implemented the codasyl dbtg model?
A) idms
B) db2
C) dbase-ii
D) r:base
Q11. An enterprise resource planning application is an example of a(n) ________
A) single-user database application
B) multiuser database application
C) e-commerce database application
D) data mining database application
Q12. A dbms that combines a dbms and an application generator is ________
A) microsoft’s sql server
B) microsoft’s access
C) ibm’s db2
D) oracle corporation’s oracle
Q13. Which of the following is not considered to be a basic element of an enterprise-class Database system?
A) users
B) database applications
C) dbms
D) cobol programs
Q14. The dbms that is most difficult to use is ________
A) microsoft’s sql server
B) microsoft’s access
C) ibm’s db2
D) oracle corporation’s oracle
Q15. Dbms is a collection of ………….. That enables user to create and maintain a database
A) keys
B) translators
C) program
D) language activity
Q16. In a relational schema, each tuple is divided into fields called
A) relations
B) domains
C) queries
D) all of the above
Q17. In an er model, ……………. Is described in the database by storing its data
A) entity
B) attribute
C) relationship
D) notation
Q18. Dfd stands for
A) data flow document
B) data file diagram
C) data flow diagram
D) non of the above
Q19. A top-to-bottom relationship among the items in a database is established by a
A) hierarchical schema
B) network schema
C) relational schema
D) all of the above
Q20. ……………… table store information about database or about the system
A) sql
B) nested
C) system
D) none of these
Part 1: list for questions and answers of database management system
Q1. Answer: b
Q2. Answer: c
Q3. Answer: a
Q4. Answer: c
Q5. Answer: d
Q6. Answer: a
Q7. Answer: c
Q8. Answer: a
Q9. Answer: a
Q10. Answer: a
Q11. Answer: b
Q12. Answer: b
Q13. Answer: d
Q14. Answer: d
Q15. Answer: c
Q16. Answer: b
Q17. Answer: a
Q18. Answer: c
Q19. Answer: a
Q20. Answer: c