MSBTE 22319
Database Management System Notes | MSBTE Diploma Engineering All
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Database Management System
(DBMS) Overview:
1. Introduction to DBMS:
- What is a Database? Why uses a DBMS?
- Advantages of DBMS over file systems.
- Three levels of data abstraction: physical,
logical, and view.
2. Database Models:
- Relational Model: Concept of tables (relations),
tuples, and attributes.
- Hierarchical, Network, and Object-Oriented Models.
- ER (Entity-Relationship) model.
3. SQL (Structured Query
Language):
- DDL (Data Definition Language): CREATE, ALTER,
DROP.
- DML (Data Manipulation Language): SELECT, INSERT,
UPDATE, DELETE.
- Queries, Joins, Functions.
4. Normalization:
- Purpose: Reduce redundancy, avoid undesirable
characteristics.
- 1NF, 2NF, 3NF, BCNF.
5. Transactions and Concurrency
Control:
- What is a transaction? ACID properties.
- Concurrency control techniques: Locking, Timestamp
ordering, Deadlock handling.
6. Database Recovery Systems:
- Techniques for recovery and atomicity: Shadow
paging, logging.
- Failures and recovery, backup strategies.
7. Database Security:
- Data Integrity, User Authentication.
- Granting/revoking privileges.
8. Distributed Databases:
- Data distribution, Transactions, Concurrency
control.
9. Data Warehousing and Data
Mining:
- Basics of data warehousing: ETL processes, OLAP
operations.
- Introduction to data mining and its techniques.
10. NoSQL:
- Types: Document, column-store, key-value pair,
graph.
- Advantages and use cases.
11. Emerging Trends:
- Cloud databases, Big Data.
- Role of databases in AI, IoT.
12. Case Studies:
- Real-world applications and challenges in DBMS.
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