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INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL...

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INTRODUCTION TO MONGODB
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Page 1: INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL SQL NoSQL NoSQL vs. SQL SQL NoSQL Table Based Documents, Key-Value pairs, Graph-based,

INTRODUCTIONTO MONGODB

Page 2: INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL SQL NoSQL NoSQL vs. SQL SQL NoSQL Table Based Documents, Key-Value pairs, Graph-based,

Intro to Databases / NOSQLINTUITION

Page 3: INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL SQL NoSQL NoSQL vs. SQL SQL NoSQL Table Based Documents, Key-Value pairs, Graph-based,

NoSQL vs. SQL

SQL NoSQL

Page 4: INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL SQL NoSQL NoSQL vs. SQL SQL NoSQL Table Based Documents, Key-Value pairs, Graph-based,

NoSQL vs. SQL

SQL NoSQL

Table Based Documents, Key-Value pairs, Graph-based, or Wide Column Stores

Page 5: INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL SQL NoSQL NoSQL vs. SQL SQL NoSQL Table Based Documents, Key-Value pairs, Graph-based,

NoSQL vs. SQL

id body topic likes dislikes

2104 Lorem ipsum dolor sit amet cooking 42 26

Example: Blog Post

Page 6: INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL SQL NoSQL NoSQL vs. SQL SQL NoSQL Table Based Documents, Key-Value pairs, Graph-based,

NoSQL vs. SQL

SQL NoSQL

Table Based Documents, Key-Value pairs, Graph-based, or Wide Column Stores

Defined Schema Undefined / Flexible Schema

Page 7: INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL SQL NoSQL NoSQL vs. SQL SQL NoSQL Table Based Documents, Key-Value pairs, Graph-based,

NoSQL vs. SQL

id body topic likes dislikes

2104 Lorem ipsum dolor sit amet cooking 42 0

2105 Consectetur adipiscing elit sports 0 37

Example: Blog Post

Page 8: INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL SQL NoSQL NoSQL vs. SQL SQL NoSQL Table Based Documents, Key-Value pairs, Graph-based,

NoSQL vs. SQL

SQL NoSQL

Table Based Documents, Key-Value pairs, Graph-based, or Wide Column Stores

Defined Schema Undefined / Flexible Schema

Better for Complex Queries Better for Complex Data Structures

Page 9: INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL SQL NoSQL NoSQL vs. SQL SQL NoSQL Table Based Documents, Key-Value pairs, Graph-based,

NoSQL vs. SQL

id body topic likes dislikes

2104 Lorem ipsum dolor sit amet cooking 42 0

2105 Consectetur adipiscing elit sports 0 37

Example: Blog posts with comments (SQL)

id post_id body

1 2105 Suspendisse finibus erat nec ipsum commodo

2 2105 Ut elementum urna malesuada

Table 1: Posts

Table 2: Comments

Page 10: INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL SQL NoSQL NoSQL vs. SQL SQL NoSQL Table Based Documents, Key-Value pairs, Graph-based,

NoSQL vs. SQL

Example: Blog post with comments (NoSQL)

Page 11: INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL SQL NoSQL NoSQL vs. SQL SQL NoSQL Table Based Documents, Key-Value pairs, Graph-based,

NoSQL vs. SQL

SQL NoSQL

Table Based Documents, Key-Value pairs, Graph-based, or Wide Column Stores

Defined Schema Undefined / Flexible Schema

Better for Complex Queries Better for Complex Data Structures

Better for Transactional Systems Better for Horizontal Scaling

Page 12: INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL SQL NoSQL NoSQL vs. SQL SQL NoSQL Table Based Documents, Key-Value pairs, Graph-based,

NoSQL vs. SQL

id first_name account_balance

104 Robert 35105.32

105 Marie 48206.53

Example: Accounting System (SQL)

id sender_id receiver_id amount

1 105 104 2000.00

Table 1: Accounts

Table 2: Transactions

Page 13: INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL SQL NoSQL NoSQL vs. SQL SQL NoSQL Table Based Documents, Key-Value pairs, Graph-based,

NoSQL vs. SQL

SQL NoSQL

Table Based Documents, Key-Value pairs, Graph-based, or Wide Column Stores

Defined Schema Undefined / Flexible Schema

Better for Complex Queries Better for Complex Data Structures

Better for Transactional Systems Better for Horizontal Scaling

Page 14: INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL SQL NoSQL NoSQL vs. SQL SQL NoSQL Table Based Documents, Key-Value pairs, Graph-based,

NoSQL vs. SQL

Example: Blog post (NoSQL)

Page 15: INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL SQL NoSQL NoSQL vs. SQL SQL NoSQL Table Based Documents, Key-Value pairs, Graph-based,

NoSQL vs. SQL

id body topic likes dislikes

2104 Lorem ipsum dolor sit amet cooking 42 0

2105 Consectetur adipiscing elit sports 0 37

Example: Blog posts with comments (SQL)

id post_id body

1 2105 Suspendisse finibus erat nec ipsum commodo

2 2105 Ut elementum urna malesuada

Table 1: Posts

Table 2: Comments

Page 16: INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL SQL NoSQL NoSQL vs. SQL SQL NoSQL Table Based Documents, Key-Value pairs, Graph-based,

NoSQL vs. SQL

SQL NoSQL

Table Based Documents, Key-Value pairs, Graph-based, or Wide Column Stores

Defined Schema Undefined / Flexible Schema

Better for Complex Queries Better for Complex Data Structures

Better for Transactional Systems Better for Horizontal Scaling

Examples: MySQL, Postgres, Oracle, SQLite

Examples: MongoDB, Cassandra, HBase, Redis, Neo4j

Page 17: INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL SQL NoSQL NoSQL vs. SQL SQL NoSQL Table Based Documents, Key-Value pairs, Graph-based,

Create

CRUD Operations

Read Update Delete

Page 18: INTRODUCTION TO MONGODB...INTRODUCTION TO MONGODB Intro to Databases / NOSQL INTUITION NoSQL vs. SQL SQL NoSQL NoSQL vs. SQL SQL NoSQL Table Based Documents, Key-Value pairs, Graph-based,

● Create db.collection.insert({“name”: “patrick”})f

● Read db.collection.find({“age”: 42})f

● Update db.collection.update({“country”: “US”}, {“country”: “USA”})f

● Delete db.collection.remove({“user_id”: 4106})f

CRUD Operations


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