No SQL

UNIT I – Introduction to NoSQL

• Introduction and history of NoSQL

• Types of NoSQL databases

• Role and value of relational databases

• Data persistence and concurrency

• Impedance mismatch

• Cluster computing and emergence of NoSQL

---

UNIT II – RDBMS vs NoSQL

• Comparison of RDBMS and NoSQL

• Limitations of RDBMS

• Challenges solved by NoSQL

• Overview of MongoDB, Cassandra, HBase, Neo4j

• NoSQL data models

• Replication and sharding

• Distribution models

---

UNIT III – Document Databases (MongoDB)

• Document-oriented databases

• MongoDB architecture and features

• CRUD operations and queries

• Consistency, transactions, availability

• Scalability

• Use cases (E-commerce, CMS, analytics, logging)

---

UNIT IV – Column-Oriented Databases

• Column-family data model

• Apache HBase architecture and features

• Apache Cassandra overview

• Consistency and availability

• Scaling and performance

• Use cases (logging, counters, expiring data)

---

UNIT V – Key–Value and Graph Databases

• Key–Value databases and Riak

• Data structure and features

• Consistency and scaling

• Use cases (sessions, user profiles, carts)

• Graph databases and Neo4j

• Graph data model and applications

• NoSQL tools and programming languages

IMP's