Not only SQL
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Introduction to NoSQL with some focus on Cassandra, CouchDB and Neo4j
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Not only SQL
- 7. What’s out there? Storage type License Implemented in Amazon Dynamo Key/Value n/a ? Cassandra Columnfamily ASL 2.0 Java CouchDB Document ASL 2.0 Erlang Dynomite Key/Value BSD/MIT-style Erlang HBase Columnfamily ASL 2.0 Java MongoDB Document AGPL v3.0 C++ Neo4J Graph AGPL v3.0 / Comm Java Riak Key/Value ASL 2.0 Erlang Redis Key/Value BSD/MIT-style C Scalaris Key/Value ASL 2.0 Erlang Tokyo Cabinet Key/Value LGPL C Voldemort Key/Value ASL 2.0 Java
- 9. Distribution * Neo4J HA coming “soon” This is a very simplified view Masterless Master/Slave Hot standby Amazon Dynamo X Cassandra X CouchDB X Dynomite X HBase ? MongoDB X X Neo4J * Riak X Redis X Scalaris X Tokyo Cabinet Voldemort X
- 10. Common factor “ ...of the web...” Of the who?!
- 14. These guys can just suck it HTTP/REST is integration that works
- 15. ColumnFamily
- 18. The Ring 1 2 3 4 5 6 7 8 9 10 11 12
Editor's Notes
- * Relational not always most suitable model * Schema-less gives freedom * Non-relational gives interesting scalability capabilities (which most provides) * Most provides REST/JSON API ** Very suitable for web dev’t ** Easy peasy to use, regardless of environment
- collation - assembling in proper numerical or logical sequence
- Simplified view explanation