Database Management System Notes – B.Tech 3rd Year Books

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Database Management System Pdf Notes

DBMS Short Notes: Data and information. These two things became leading factors through the past 50 years and during the 20th and 21st century as these concepts play a significant part of our everyday life. As in our society, the role of the information is being valorized, we are getting more and more pieces of information. We are continuously bombed with information from the outside world: we get the news from the television, radio, and newspapers and we are being informed about the latest happenings from the fellow human beings all day long.

Database Management System Pdf Free Download Ebook

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List of Reference Books for Database Management System

  •  Introduction to Database Systems, CJ Date, Pearson
  • Database Management Systems, Raghurama Krishnan, Johannes Gehrke, TATA McGraw Hill 3rd Edition
  • The Database Systems – The Complete Book, H G Molina, J D Ullman, J Widom Pearson
  • Database Systems design, Implementation, and Management, Peter Rob & Carlos Coronel 7th Edition.
  • Fundamentals of Database Systems, Elmasri Navrate Pearson Education
  • Introduction to Database Systems, C.J.Date Pearson Education

Data Base Management System Syllabus – B.Tech 3rd Year

• To learn the principles of systematically designing and using large-scale Database Management Systems for various applications.


An Overview of Database Management, Introduction- What is Database System- What is Database-Why Database- Data Independence- Relation Systems and Others- Summary, Database system architecture, Introduction- The Three Levels of Architecture-The External Level- the Conceptual Level- the Internal Level- Mapping- the Database Administrator-The Database Management Systems- Client/Server Architecture.


The E/R Models, The Relational Model, Relational Calculus, Introduction to Database Design, Database Design and Er Diagrams-Entities Attributes, and Entity Sets-Relationship and
Relationship Sets-Conceptual Design With the Er Models, The Relational Model Integrity Constraints Over Relations- Key Constraints –Foreign Key Constraints-General Constraints, Relational Algebra and Calculus, Relational Algebra- Selection and Projection- Set Operation, Renaming – Joins- Division- More Examples of Queries, Relational Calculus, Tuple Relational Calculus- Domain Relational Calculus.


Queries, Constraints, Triggers: The Form of Basic SQL Query, Union, Intersect, and Except, Nested Queries, Aggregate Operators, Null Values, Complex Integrity Constraints in SQL, Triggers and Active Database.


Schema Refinement (Normalization) : Purpose of Normalization or schema refinement, concept of functional dependency, normal forms based on functional dependency (1NF, 2NF and 3 NF), concept of surrogate key, Boyce-codd normal form (BCNF), Lossless join and dependency preserving decomposition, Fourth normal form(4NF).


Transaction Management and Concurrency Control: Transaction, properties of transactions, transaction log, and transaction management with SQL using commit rollback and savepoint.
Concurrency control for lost updates, uncommitted data, inconsistent retrievals and the Scheduler. Concurrency control with locking methods: lock granularity, lock types, two phase locking for ensuring serializability, deadlocks, Concurrency control with time stamp ordering: Wait/Die and Wound/Wait Schemes, Database Recovery management: Transaction recovery.


Overview of Storages and Indexing, Data on External Storage- File Organization and Indexing – Clustered Indexing – Primary and Secondary Indexes, Index Data Structures, Hash-Based Indexing – Tree-Based Indexing, Comparison of File Organization

• Describe a relational database and object-oriented database.
• Create, maintain and manipulate a relational database using SQL
• Describe ER model and normalization for database design.
• Examine issues in data storage and query processing and can formulate appropriate
• Understand the role and issues in management of data such as efficiency, privacy,
security, ethical responsibility, and strategic advantage.
• Design and build database system for a given real-world problem

Database Management System Review Questions List

  • Explain briefly the languages supported by database systems.
  • What is Data modeling? Explain relational model.
  • Why are foreign key constraints important? Explain with employee database.
  • What is meant by referential integrity? Explain.
  • Where do we need nesting of queries? Give an example.
  • Differentiate between updatable views and non updatable views?
  •  Is the decomposition in 4NF always dependency preserving and lossless? Explain with an example,
  •  Consider the following relation R(A,B,C,D,E)and FD’s ABC, CA,DE, FA, ED is the decomposition of R into R1(A, C, D), R2(B, C, D) AND R3(E,F,D) lossless?
  • What is time stamp ordering? Explain how it is used for concurrency control?
  • Explain view Serializability with an example? How is it different from conflict Serializability?
  • Explain Open hashing? Discuss their advantages and disadvantages.
  • Compare dynamic hashing with static hashing.

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