Database Management System (DBMS)

‘Recent Articles’ on DBMS !

Introduction :

  1. DBMS Introduction | Set 1
  2. DBMS Introduction | Set 2 (3-Tier Architecture)
  3. DBMS Architecture 2-level 3-level
  4. Need For DBMS
  5. Data Abstraction and Data Independence
  6. Database Objects
  7. Multimedia Database
  8. Interfaces
  9. Categories of End Users

Entity Relationship Model :



  1. ER Model
  2. Enhanced ER Model
  3. Minimization of ER Diagram
  4. ER Model: Generalization, Specialization and Aggregation
  5. Recursive Relationships
  6. Impedance Mismatch

Relational Model :

  1. Relational Model and CODD Rules
  2. Relational Model
  3. Keys in Relational Model (Candidate, Super, Primary, Alternate and Foreign)
  4. Number of possible Superkeys
  5. Anomalies in Relational Model
  6. Mapping from ER Model to Relational Model
  7. Strategies for Schema design
  8. Schema Integration
  9. Star Schema in Data Warehouse modeling

>> Quiz on ER and Relational Model

Relational Algebra :

  1. Introduction
  2. Basic Operators
  3. Extended Operators
  4. Inner Join vs Outer Join
  5. Join operation Vs nested query
  6. DBMS | Tupple Relational Calculus
  7. Row oriented vs. column oriented data stores
  8. How to solve Relational Algebra Problems for GATE
  9. How to Solve Relational Algebra Problems for GATE

Functional Dependencies :

  1. Functional Dependency and Attribute Closure
  2. Finding Attribute Closure and Candidate Keys using Functional Dependencies
  3. Armstrong’s Axioms in Functional Dependency
  4. Equivalence of Functional Dependencies
  5. Canonical Cover

Normalisation :

  1. Introduction
  2. Normal Forms
  3. Minimum relations satisfying 1NF
  4. Dependency Preserving Decomposition
  5. Lossless Join Decomposition
  6. LossLess Join and Dependency Preserving Decomposition
  7. How to find the Highest Normal Form of a Relation
  8. Domain Key normal form
  9. Denormalization in Databases
  10. DBMS | Data Replication

>> Quiz on Normal Forms

Transactions and Concurrency Control :

  1. Introduction
  2. ACID Properties
  3. Concurrency Control -Introduction
  4. Implementation of Locking in DBMS
  5. Concurrency Control Protocols – Lock Based Protocol
  6. Concurrency Control Protocol | Graph Based Protocol
  7. Concurrency Control Protocol | Two Phase Locking (2-PL)-I
  8. Concurrency Control Protocol | Two Phase Locking (2-PL)-II
  9. Concurrency Control Protocol | Two Phase Locking (2-PL)-III
  10. Concurrency Control Protocol | Multiple Granularity Locking
  11. Concurrency Control Protocol | Thomas Write Rule
  12. DBMS | Log based recovery
  13. Timestamp Ordering Protocols
  14. Introduction to TimeStamp and Deadlock Prevention Schemes
  15. Dirty read in SQL
  16. Types of Schedules
  17. Conflict Serializability
  18. View Serializability
  19. How to test if two schedules are View Equal or not ?
  20. Recoverability of Schedules
  21. Precedence Graph for testing Conflict Serializabilty
  22. Transaction Isolation Levels in DBMS
  23. Database Recovery Techniques
  24. Starvation in DBMS
  25. Deadlock in DBMS
  26. DBMS | OLAP vs OLTP
  27. Types of OLAP Systems
  28. DBMS | Types of Recoverability of Schedules and easiest way to test schedule | Set 2
  29. Web Information Retrieval | Vector Space Model
  30. Why recovery is needed?

>> Quiz on Transactions and concurrency control

Indexing, B and B+ trees :

  1. Indexing and its Types
  2. B-Tree | Set 1 (Introduction)
  3. B-Tree | Set 2 (Insert)
  4. B-Tree | Set 3 (Delete)
  5. B+ Tree (Introduction)
  6. Bitmap Indexing
  7. Inverted Index
  8. SQL queries on clustered and non-clustered Indexes

>> Practice questions on B and B+ Trees
>> Quizzes on Indexing, B and B+ Trees

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