PART B
1.What is meant by term relationship between entities ? Explain the
different types of relationships that can exist with examples ?
2.Explain the concept of dependent entities ? give example.
3.What do you mean by mapping cardinalities ? Explain various type of
cardinalities.
4.What is difference between total and partial participation ? Explain.
5.What is the difference b/w single and multivalued attributes ? Explain.
6. What do you mean by Null values? Explain with suitable examples.
7.Discuss the various update operation on relation and types of integrity
constraints that must be checked for each update operation ?
8. What is relational algebra ? Discuss the various operations of
relational algebra.
9. Describe the different types of relational calculus in detail.
10.What dis relational calculus ? Differentiate relational algebra and
relational calculus.
11.What do you understand by distributed databases? Give the various
advantages and disadvantages of distributed database management
system.
12. Explain the architecture of Client-Server databases in detail.
13. What are the main differences between a parallel and a distributed
system ? Explain
14. Explain nested Queries with examples
15. Explain embedded SQL in detail
16.Explain the integrity constraints supported by SQL
17.Explain triggers with example.
18.Explain security and authorization and Security in SQL
19.Explain dynamic SQL in detail
20. Explain distributed Database in detail
21. Explain CSDB in detail
PART B
1. Discuss concept of database language
2. Discuss about database interfaces.
3. What is relationship ? What are various types of relationship ? Explain
with example.
4. Explain the Codd’s Rule in detail.
5. What do you mean by RDBMS ? What are its characteristics ?
6. Explain Entity integrity and Referential integrity in detail.
7. What is the difference between DBMS and RDBMS ? Which of them is
more suitable?
8. What is relational algebra ? Discuss the various operations of
relational algebra.
9. Describe the different types of relational calculus in detail.
10.What dis relational calculus ? Differentiate relational algebra and
relational calculus.
11. What do you mean by Null values? Explain with suitable examples.
12. Why normalization needed ? What are its disadvantages ?
13..Discuss the various normal form in normalization with suitable
examples.
14. Define term anomalies.Explain BCNF in detail.
15.What do you mean by BCNF ? Why it is used and how it differ from 3 NF ?
16. Explain the different normal forms in detail
17.Explain Functional dependency and Trivial functional dependency
with examples.
18.Explain Fourth normal forms with examples.
19.Explain Closure of Set of Functional dependency and Closure of
Attribute sets
20.Explain Canonical cover and Extraneous Attributes with examples.
21.Explain BCNF with examples and also state the difference between
this from 3NF.
22. Give the various advantages and disadvantages of the network
model.how it differ from relational model ?
23.Compare BCNF and 3NF
PART B
1. Why is concurrency control needed? Explain lost update, Inconsistent
retrievals and uncommitted dependency anomalies.
2. What is a deadlock ? How can a deadlock occur ? explain.
3. Briefly explain one deadlock prevention algorithm.
4. What if time stamping is used ? Explain briefly
5. What is two-phase locking and how does it guarantee serializability ?
6. Discuss the concurrency control mechanism in detail using suitable
example.
7. Differentiate between Two phase locking and Rigorous two-phase
locking.
8. How can deadlocks be avoided when using 2PL?
9. How Share and exclusive locks differ ?Explain.
10. How precedence graph can be used to detect deadlock ?
11. What is a system log ? What is the purpose of the system log in system
recovery
12. Explain serializability
13. Explain lock based protocols
14. Explain two phase locking in detail.
15. Explain log based recovery in detail
16.Explain ACID properties
17.Discuss about recovery
PART B
1. Explain RAID levels in detail
2. Explain file organization in details.
3. Explain indexing and hashing
4. Explain B+ tree index in detail
5. Explain Query processing in detail.
6. Explain Ordered indices in detail.
7. Explain Static hashing.
8. Explain Dynamic hashing.
9. Explain organization of records in files.
10. Explain JOIN, SELECTION and SORTING
11.Explain Tertiary storage.
12.Explain the cost estimation
13.What is Query optimization ?What are different techniques used in it.
14.Discuss in detail the physical storage media
15.Explain the magnetic disks
16.Discuss Database tuning
PART B
1. What are various components of Database System ? Explain in detail.
2. What do you mean by data models ? Explain network, hierarchical and
relational model in detail.
3. Explain various levels of Data abstraction in database system ?
4. What do you mean by database ? What is the purpose of a database
system ? Explain.
5. What do you mean by DBMS ? Explain its functioning.
6. Explain architecture of DBMS and its advantages ? state two main
disadvantages of DBMS ?
7. What is DBA ? What are major responsibilities of DBA and database
designers ?
8. What are problems with traditional file processing system ? How they
are removed in database system ? Explain
9. What do you mean by Entity-Relationship Diagram ? Explain
10.Explain the various terms of an E-R model and how are they
represented in an E-R model
11.Describe the three-level architecture of DBMS ? Also explain its
importance in a database environment.
12. Discuss concept of database language and interfaces
13. Explain the architecture of DBMS with a neat block diagram
14. Explain ER model in detail
15. Explain the design issues of ER-model
16. Explain the various relational algebra operations
17. Draw an ER diagram for a banking enterpr