MongoDB day examples

Lab 0 - Getting Started with the IDE

• A minimal web service
• Using the Request object
• Running code when service boots
• Environment variables

Lab 1 - MongoDB Fundamentals (JS Style)

• Add and Retrieve a simple document
• Query by multiple attributes
• Update data with conditions
• The Bucket pattern

Lab 1.1 - MongoDB Fundamentals (Java Style)

• Add and Retrieve a simple document (Java)
• Query by multiple attributes (Java)
• Update data with conditions (Java)
• The Bucket pattern (Java)

Lab 2 - Developer Data Platform Taster

• Full-text search with Atlas Search
• Atlas Search - fuzzy matching
• Atlas Search - relevance score
• Prompting a Large Language Model
• Using vectors for semantic search and RAG
• Atlas SQL
• Atlas SQL with MongoDB Extensions

Lab 3 - Beyond the Basics

• Correctly querying Arrays with $elemMatch
• Expressions in Queries
• Expressions in Updates
• Enforce schema on a collection
• CHALLENGE: Enforce calculated fields

Lab 4 - Aggregation

• Simple first aggregation
• Summarising data with $group
• Determining cohorts with $bucketAuto
• Join data from rapidly changing dimensions with $lookup
• CHALLENGE: Power a Management Dashboard

Other MongoDB Code Examples

• List and Drop Databases and Collections
• Query for Movies by title
• Load a batch of JSON documents
• List,Create and Drop indexes
• Indexed vs Unindexed query speed.
• Reading explain plans for queries.
• Create an optimal index.
• Using Multi Document ACID Transactions
• Observe transaction collision behavior
• Document level write locks.
• Long duration pessimistic locks.
• Long duration optimistic locks.
• Atomic update with read
• Using Array Expressions like $filter
• Task Queue