NoSQL & MongoDB
8 likes1,911 views
The document discusses NoSQL and MongoDB. It notes that NoSQL databases are not relational, use eventual consistency instead of ACID properties, and assume a reliable environment. It also mentions that NoSQL uses key-value pairs instead of schemas and is generally faster than SQL databases, though with weaker consistency guarantees. MapReduce is discussed as a programming model used by some NoSQL databases to handle large-scale data processing across clusters. Popular NoSQL databases including MongoDB, Cassandra, CouchDB, and Redis are also listed.
NoSQL & MongoDB
- 1. NoSQL & MongoDB Suburban Chicago PHP & Web Development Meetup July 1, 2010
- 2. PHP SQL Imperative Declarative Object Oriented Normalized Proprietary Standards followed extensions Scaling issues Easier scaling
- 4. NoSQL
- 6. NoSQL • No SQL • Not Only SQL
- 7. SQL NoSQL ACID Eventual consistency Assumes reliable Journaled, redundant environment Schema, data, keys, Key/value pairs indexes Solid Fast
- 8. Map/Reduce • Google • Parallelizable • Small program • Find matches, remove duplicates
- 9. Source: Jeff Dean, Sanjay Ghemawat (Google)
- 11. Who uses NoSQL?
- 12. NoSQL Databases and more...