Introduction to nosql
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Basic introduction to NOSQL and the difference between non relational and the relational databases with an example.
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Introduction to nosql
- 1. Relational vs. Non Relational DB 1
- 2. Relational DB Organizes data into multiple tables with relation between them - Wikipedia - 2
- 3. Example Forum application • Posts • Comments 3
- 4. Relational Design Post_id Post Post_at … 1 What is relational db? 2014-12-09 08:32:16 2 Java …. 2014-12-09 08:45:44 Post_id User_id Comment 1 54 Organizes data into multiple tables with relation between them 1 63 …. What is relational db? • Organizes data into multiple tables with relation between them • Table which have relations 4
- 5. Problem Can you examine the comments without looking at post? 5
- 6. 6
- 7. NoSQL Provides a mechanism for storage and retrieval of data that is modeled in means other than the tabular relations used in relational databases - wikipedia - 7
- 8. Non Relational Design Post_id Post Created_at comments … 1 What is relational db? 2014-12-09 08:32:16 Organizes data into multiple tables with relation between them, Table which have relations, … 8
- 9. Reasons to marry • Scalability • Big data • Economics • Flexible data model 9
- 10. Don’t kick out Relational DB • Maturity • Support & Design skills • Analytics 10
- 11. 11
- 12. Thank You! 12