Intro to Relational
Databases
Patricia Gorla

@patriciagorla

Apache Cassandra Architect

The Last Pickle
About Me
•

Cassandra Architect chez The
Last Pickle


•

Datastax MVP for Cassandra


•

Database Geek
Google Trend Ranking

db-engines.com
Data has Relationships
…but not all data models are
created equal.
Customer Table
Primary Key
231

Customer Name
Yves

Address
Oran

Phone Number
732 13001

732

Coco

Saumur

123 12342

59...
Customer Table
Primary Key
231

Customer Name
Yves

Address
Oran

Phone Number
732 13001

732

Coco

Saumur

123 12342

59...
Customer Table
Primary Key
231

Customer Name
Yves

Address
Oran

Phone Number
732 13001

732

Coco

Saumur

123 12342

59...
Relational theory is
built upon set theory.
Limitations

Because nothing is perfect
Polyglot Persistence
Q&A
@patriciagorla

patricia@thelastpickle.com
Intro to Relational Databases
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Intro to Relational Databases

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Talk given at HackCville as an introduction to relational databases.

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Intro to Relational Databases

  1. 1. Intro to Relational Databases Patricia Gorla @patriciagorla Apache Cassandra Architect The Last Pickle
  2. 2. About Me • Cassandra Architect chez The Last Pickle • Datastax MVP for Cassandra • Database Geek
  3. 3. Google Trend Ranking db-engines.com
  4. 4. Data has Relationships …but not all data models are created equal.
  5. 5. Customer Table Primary Key 231 Customer Name Yves Address Oran Phone Number 732 13001 732 Coco Saumur 123 12342 599 Ralph New York 523 10929 Case Study eCommerce
  6. 6. Customer Table Primary Key 231 Customer Name Yves Address Oran Phone Number 732 13001 732 Coco Saumur 123 12342 599 Ralph New York 523 10929 Order Table Order Number 10001 Customer ID 599 Product ID LUX 10002 599 CDG 10002 231 CDG Case Study eCommerce
  7. 7. Customer Table Primary Key 231 Customer Name Yves Address Oran Phone Number 732 13001 732 Coco Saumur 123 12342 599 Ralph New York 523 10929 Order Table Order Number 10001 Customer ID 599 Product ID LUX 10002 599 CDG 10002 231 CDG Product Table Product ID LUX Product Name BlenderBottle Price 7.99 CDG Pellegrino 1.49 BOI Eden Pond Turmeric 32.99 CHO CeraVe Moisturizer 12.99
  8. 8. Relational theory is built upon set theory.
  9. 9. Limitations Because nothing is perfect
  10. 10. Polyglot Persistence
  11. 11. Q&A @patriciagorla patricia@thelastpickle.com
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