0
MongoDB
The Database for Modern Applications
Solutions Architect, MongoDB
Henrik Ingo
2
The 70s...
3
1979: Sony Walkman
4
1974: Post-it notes
5
1971: First Man on the Moon
6
1966: Telefax (popularized during the 70s)
7
1977: Apple II, the first PC
8
The Relational Database
Things the RDBMS is optimized for...
10
Disk space
11
Data integrity
12
Waterfall Development Cycle
Business
Requirementss
Analysis
Technical
Requirements
DataBase
Schema
Design
Software
Deve...
13
Flexibility (seriously)
/* ---------------------------------- */
/* ----- Begin the PL/SQL block ----- */
/* ----------...
The reality in 2014...
15
Business logic in PL/SQL is not a best practice
?
16
RDBMS is a poor match to OO
Relational
Database
Object Relational
Mapping
Application
Code XML Config DB Schema
17
Document Data Model
Relational MongoDB
{
first_name: ‘Paul’,
surname: ‘Miller’,
city: ‘London’,
location:
[45.123,47.23...
18
Developers are more productive
19
Iterative development
Business
Requirementss
Rapid
Prototyping
Review
Production
20
Data exists in diverse sources...
...beyond our control, btw.
social media
sensors
Legacy
RDBMS
Legacy
RDBMS
Legacy
RDB...
Big Data?
22
Big Data is all about
Volume
Velocity
Variety
23
You want a DB that has
Volume
Velocity
Variety
Scale-out
Low latency
Flexible schema
Typical MongoDB projects
for Oracle experts
25
Data Hub
CRM CRM CRM
MongoDB
Dashboard
26
Insurance leader generates coveted 360-degree view of
customers in 90 days – “The Wall”
Case
Problem Why MongoDB Result...
27
Staging hub
MongoDB
RDBMS
systems
RDBMS
Staging,
Data preparation
DWH
Graphing SW
28
Archive
Archive
App
(MySQL)
29
Stores billions of posts in myriad formats
with MongoDB
Case
Problem Why MongoDB Results
• 1.5M posts per day,
differen...
30
Branch out
MongoDB
RDBMS
app
Original
DB
New functionality
or Big Data
MongoDB for Oracle Experts - OUGF Harmony 2014
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MongoDB for Oracle Experts - OUGF Harmony 2014

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A lightweight MongoDB introduction presented to some of the most senior Oracle experts in the Nordics.

Published in: Technology
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Transcript of "MongoDB for Oracle Experts - OUGF Harmony 2014 "

  1. 1. MongoDB The Database for Modern Applications Solutions Architect, MongoDB Henrik Ingo
  2. 2. 2 The 70s...
  3. 3. 3 1979: Sony Walkman
  4. 4. 4 1974: Post-it notes
  5. 5. 5 1971: First Man on the Moon
  6. 6. 6 1966: Telefax (popularized during the 70s)
  7. 7. 7 1977: Apple II, the first PC
  8. 8. 8 The Relational Database
  9. 9. Things the RDBMS is optimized for...
  10. 10. 10 Disk space
  11. 11. 11 Data integrity
  12. 12. 12 Waterfall Development Cycle Business Requirementss Analysis Technical Requirements DataBase Schema Design Software Development QA Production
  13. 13. 13 Flexibility (seriously) /* ---------------------------------- */ /* ----- Begin the PL/SQL block ----- */ /* ---------------------------------- */ EXEC SQL EXECUTE DECLARE insufficient_funds EXCEPTION; old_bal NUMBER; min_bal CONSTANT NUMBER := 500; BEGIN SELECT bal INTO old_bal FROM accounts WHERE account_id = :acct; -- If the account doesn't exist, the NO_DATA_FOUND -- exception will be automatically raised. :new_bal := old_bal - :debit; IF :new_bal >= min_bal THEN UPDATE accounts SET bal = :new_bal WHERE account_id = :acct; INSERT INTO journal VALUES (:acct, 'Debit', :debit, SYSDATE); :status := 'Transaction completed.'; ELSE RAISE insufficient_funds; END IF; ....
  14. 14. The reality in 2014...
  15. 15. 15 Business logic in PL/SQL is not a best practice ?
  16. 16. 16 RDBMS is a poor match to OO Relational Database Object Relational Mapping Application Code XML Config DB Schema
  17. 17. 17 Document Data Model Relational MongoDB { first_name: ‘Paul’, surname: ‘Miller’, city: ‘London’, location: [45.123,47.232], cars: [ { model: ‘Bentley’, year: 1973, value: 100000, … }, { model: ‘Rolls Royce’, year: 1965, value: 330000, … } } }
  18. 18. 18 Developers are more productive
  19. 19. 19 Iterative development Business Requirementss Rapid Prototyping Review Production
  20. 20. 20 Data exists in diverse sources... ...beyond our control, btw. social media sensors Legacy RDBMS Legacy RDBMS Legacy RDBMS
  21. 21. Big Data?
  22. 22. 22 Big Data is all about Volume Velocity Variety
  23. 23. 23 You want a DB that has Volume Velocity Variety Scale-out Low latency Flexible schema
  24. 24. Typical MongoDB projects for Oracle experts
  25. 25. 25 Data Hub CRM CRM CRM MongoDB Dashboard
  26. 26. 26 Insurance leader generates coveted 360-degree view of customers in 90 days – “The Wall” Case Problem Why MongoDB Results • No single view of customer • 145 yrs of policy data, 70+ systems, 15+ apps • 2 years, $25M trying to aggregate in RDBMS – failed • Agility – prototype in 5 days; production in 90 days • Dynamic schema & rich querying – combine disparate data into one data store • Hot tech to attract top talent • Increased call center productivity • Better customer experience, reduced churn, more upsell opps • Dozens more projects in the works to leverage this data platform
  27. 27. 27 Staging hub MongoDB RDBMS systems RDBMS Staging, Data preparation DWH Graphing SW
  28. 28. 28 Archive Archive App (MySQL)
  29. 29. 29 Stores billions of posts in myriad formats with MongoDB Case Problem Why MongoDB Results • 1.5M posts per day, different structures • Inflexible MySQL, lengthy delays for making changes • Data piling up in production database • Poor performance • Flexible document- based model • Horizontal scalability built in • Easy to use • Interface in familiar language • Initial deployment held over 5B documents and 10TB of data • Automated failover provides high availability • Schema changes are quick and easy
  30. 30. 30 Branch out MongoDB RDBMS app Original DB New functionality or Big Data
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