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Coursemodule dbms


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Coursemodule dbms

  1. 1. PUNJAB COLLEGE OF TECHNICAL EDUCATION, LUDHIANA Data Base Management System BC-402(N2)Internal Assessment 40External Assessment: 60Instructions for CandidatesCandidates are required to attempt four questions from section B and the entire section A.Use of nonprogrammable scientific calculator is allowed.An overview of the DBMS: Concept of database system, Database Administrator andhis responsibilities. Physical and Logical data independence. Three level Architecture ofdatabase system: the external level, conceptual level and the internal level.Introduction to Data Models: Entity Relationship Model, Hierarchical, Network andRelational Model.Comparison of Network, Hierarchical and Relational Model.Relational data model: Relational database, relational algebra and calculus, SQLdependencies, functional, multi-valued and join, normalization.Database protection: Recovery, concurrency, security, integrity and control.Distribute database: Structure of distributed database, design of distributed databases.REFERENCE:1. C.J. Date, "An Introduction to Data Base Systems", Narosa Publications.2. Henry F. Korth, "Database System Concepts", McGraw Hill.3. Naveen Prakash, "Introduction to Database Management", TMH4. Bipin C. Desai, "An Introduction to Database System", Galgotia Publications.5. Ullman, "Principles of Database Systems", Galgotia Publications.
  2. 2. Practical S/W Lab - V BC-406(N2) Max. Marks 100 Internal Assessment 40 External Assessment 60This laboratory course will mainly comprise of exercise on what is learnt under the paper:BC-402(DBMS).Maximum Marks for Continuous Assessment: 40Maximum Marks for University Examination: 60Note: The break up of marks for the practical will be as underLab Record 15 marksViva Voce 15 marksProgram development 30 marksAnd execution
  3. 3. Class: BCA-II(B) Subject: Database Management SystemName of the Instructor: Rupali Assignments: 3Subject Code: BC-402 (N2) Tests: 3Total Lectures: 45 Class Discussions: 6 Topics Tentative Actual Assignment Test Date Conduct Date 1. Overview of DBMS • Database • Database system • DBMS 2. Introduction to DBMS • Why database • Characteristics of Data in Database • Types of DBMS • Advantages of DBMS 3. Data independence • Physical • Logical • Database administrator and his responsibilities • Three levels of architecture 4. Three levels of architecture … Assign 1- contd DOD • Mapping 5. Data models- Entity Relationship model • Components of E-R model • Symbols of E-R model • Attribute inheritance 6. • Generalization • Specification • Aggregation 7. • Hierarchical Model • Network Model 8. Comparison of Models Assign 1- Test 1- DOS DOD 9. Relational DBMS • What is a Relation? • RDBMS terminology • Referential integrity 10. CLASS DISCUSSION
  4. 4. 11. TEST -112. Integrity rules13. Codd’s rules14. Codd’s rules15. Relational Algebra-I • Operands of relational algebra • Selection operator16. Relational Algebra-I …contd • Projection operator • Union • Intersection17. Relational Algebra-I …contd • Set-Difference • Cartesian product • Remaining operator18. Relational Algebra-II Assign 2- • Join operator DOD • Division operator19. Relational Algebra-II …contd20. Relational Calculus • Tuple • Domain • Domain versus Tuple21. Relational Calculus versus Relational Algebra22. Relational Database Design23. Functional Dependencies Assign 2- • Anomalies in database DOS • Functional dependencies24. Database Normalization • Keys • Relationships • Need for normalization25. First Normal Form26. Second Normal Form27. CLASS DISCUSSION28. Third Normal Form Test 2-
  5. 5. DOD 29. BCNF 30. Fourth Normal Form 31. Decomposition and other dependencies TEST 232. 33. Decomposition and other dependencies…contd 34. Decomposition and other dependencies…contd 35. Concurrency and Recovery • Basic concepts 36. Transaction Processing • Transaction • Properties of a transaction • Major actions of a transaction 37. Recovery Assign 3- • Concurrent execution of DOD transactions 38. Concurrency control 39. Database security and integrity 40. Distributed databases 41. Structure of distributed database Test 3- DOD CLASS DISCUSSION42. 43. Design of distributed databases
  6. 6. Assignment-I Database Management System (BC- 402(N2))Max. Marks 15Date of Submission-1. Compare relational, network and hierarchical data models. According to you, which isthe best model and why?2. What do you mean by specialization? Explain giving examples.3. Design an E-R diagram for airline reservation system consisting of flights, aircrafts,airports, fares, reservations, tickets, pilot, crew and passengers. Clearly highlight theentities, the relationships, the primary keys and the mapping constraints.4. Distinguish between the DBMS and a file management system.
  7. 7. Assignment-II Database Management System (BC- 402(N2))Max. Marks 10Date of Submission- 1. Consider an airline reservation database system in which travel agents are allowed online access to make reservations on any flight. Is it possible for two travel agents located in different cities to book their respective clients the last seat on the same flight? Explain your answer. 2. What problems are caused by data redundancies? Can data redundancies be completely eliminated when the database approach is used? Why or why not? 3. Choose from the following enterprise you are most familiar with: college or university, public library, hospital, fast food restaurant, department store. What are the entities of interest to this enterprise? Are there any attributes in each entity set that would uniquely identify an instance of the entity set? Discuss about the views also.
  8. 8. Test - I Database Management System (BC- 402)Max. Marks 20Date- 1. Why do we use database? What are the advantages? 2. What do you mean by logical data independence and physical data independence? 3. Explain the three levels of architecture? 4. Explain the following terms: Multi value attribute Derived attribute
  9. 9. Test - II Database Management System (BC- 402)Max. Marks 20Date- • What do you mean by data model? Contrast and compare relational model and hierarchical model. • Discuss the domain integrity and entity integrity with comparative analysis? • Differentiate between security and integrity of database. • Differentiate between relational algebra and relational calculus