ACID & NoSQL

ACID

• Atomicity
• Consistency
• Isolation
• Durability

And it comes down to the serializability of transactions.

The benchmarks of the Transaction Processing Performance Council are often used or ignored in marketing.

NoSQL

• Starts with the belief that SQL is complex for developers and cannot be implemented to take advantange of networked systems
• NoSQL — the end of “one size file all” RDBMS?
Flat files ⇒ SQL ⇒ document-oriented database
• Procedural vs Declarative
• Lazy evalution
• ETL — extract, transform, load
• Map/Recude
• See NoSQL Databases for 149 pages of information

memcached

• memory cache daemon
• lots of client interfaces
• a story and a tutorial

Hadoop & Pig Latin

• Hadoop
• Pig
• Pig Latin

MongoDB

• Wikipedia on MongoDB
• mongo Shell
• MongoDB meets Java, PHP and Python
• Python API for MongoDB
• Some nice lecture notes from NYU
• MongoDB: the company

A tale of two companies

• CouchBase
• MarkLogic