Uploaded byChetan Baheti
Introduction to NoSQL & Apache Cassandra
The document provides an overview of NoSQL databases and Apache Cassandra, explaining the differences between relational databases and NoSQL, along with the types of NoSQL databases such as key-value, document store, column family, and graph databases. It includes discussions on scaling, the CAP theorem, and the data model used in Cassandra, along with practical examples and references for further reading. Additionally, it touches upon the importance of understanding use cases and encourages polyglot persistence.
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Introduction to NoSQL & Apache Cassandra
- 1. Introduction to NoSQL& Cassandra chetan.baheti@synechron.com
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- 4. Top Ranked (Sourcehttp://db-engines.com/en/ranking) 4
- 5. What is arelation database? Thou shalt not break my rules 5
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- 13. What is NoSQL?(Source: http://nosql-database.org/ ) 13
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- 15. Key Value PairDatabases Usage: Briskly changing data and high availability. Example: Stock Quotes 15
- 16. Document Store Databases Order-13235 Usage:Occasionally updated data. Example: Blogs, Content Mgmt Systems 16
- 17. Column family Usage: Read/writeintensive applications. Example: Social networking, Logs data 17
- 18. From Cassandra Tutorialhttp://www.datastax.com/docs/0.8/ddl/index 18
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- 20. Graph Databases (Sourcehttp://markorodriguez.com/) Stephen is a member of a graph-oriented engineering group called TinkerPop. Stephen contributes to Rexster Rexster is related to other projects via software dependencies. When a user finds a bug in Rexster, they issue a ticket Usage: Spatial data storage, networks. Example: friends and family associations on facebook 20
- 21. CAP Theorem (Source:http://blog.beany.co.kr/archives/275) 21
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- 24. Who’s using Cassandra (Source:http://www.slideshare.net/jbellis/cassandra-at-nosql-matters-2012) 24
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- 28. Partitioning Chetan 24,235 John 18,789 Avani 34,923 # Monty Node D Node A 8978 Start End 1 10,000 NodeB 19,999 20,000 Node C 9999 29,999 30,000 39,999 28
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- 30. Terminology RELATIONAL DATA MODEL SERVER DATABASE/SCHEMA TABLE PRIMARY KEY COLUMNVALUE CASSANDRA DATA MODEL (STANDARD) CASSANDRA DATA MODEL (SUPER) CLUSTER KEY SPACE COLUMN FAMILY KEY COLUMN NAME SUPER COLUMN NAME COLUMN VALUE COLUMN NAME COLUMN VALUE 30
- 31. So how dowe talk to Cassandra? Thrift 31
- 32. Cassandra Query Language(CQL) Cassandra 1.x CREATE COLUMNFAMILY users Cassandra 3.x CREATE TABLE users SQL CQL 32
- 33. Cassandra Query Language(CQL) 33
- 34. Cassandra Query Language(CQL) 34
- 35. Kahaani Khatam HoneKo Aayi, Aur Saala Action Shuru Hi Nahin Huwa 35
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- 37. Too much Specialization? (Source:http://parelastic.com/blog/nosql-vs-sql-hoopla-another-turn-screw) 37
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- 39. Know your usecase 39
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- 41. Polyglot persistence (Source:http://www.martinfowler.com/bliki/PolyglotPersistence.html) 41
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- 43. References http://architecture-soa-bpm-eai.blogspot.in/2011/08/limitations-of-relational-database.html http://architects.dzone.com/articles/rdbms-vs-nosql http://en.wikipedia.org/wiki/Codd's_12_rules http://www.youtube.com/watch?v=qI_g07C_Q5I (Talk byMartin Fowler on NoSQL) http://ayende.com/blog/4500/that-no-sql-thing-column-family-databases http://ayende.com/blog/tags/nosql http://www.julianbrowne.com/article/viewer/brewers-cap-theorem (Cap Theorem) http://www.datastax.com/documentation/cassandra/2.0/webhelp/index.html http://techblog.netflix.com/2011/11/benchmarking-cassandra-scalability-on.html http://www.codeproject.com/Articles/279947/Migration-of-Relational-Data-structure-to-Cassandr 43