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CodeSignal

NoSQL with Firestore Emulator

via CodeSignal

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Overview

Learn to develop and test NoSQL applications locally using the Firestore emulator. This course covers emulator setup, Python SDK integration, and practical CRUD operations with validation and querying, using a "books" collection as the primary example.

Syllabus

  • Unit 1: Firestore Emulator Setup
    • Reading Environment Variables in Python
    • Setting Environment Variables in Python
    • Safe Environment Variable Configuration
    • Creating Your First Document Reference
    • Reading Document Data from Firestore
  • Unit 2: Creating and Retrieving Products
    • Generating Unique Document Identifiers
    • Creating Structured Book Documents
    • Fixing Document ID Conflicts
    • Safe Document Retrieval with Existence Checks
    • Create and Retrieve Book Documents with Unique IDs
    • Complete Create Retrieve Workflow Implementation
  • Unit 3: Validated Document Updates
    • Document Existence Check Implementation
    • Basic Input Validation Implementation
    • Fix the Validation Bug
    • Complete Validated Update System Implementation
    • Advanced Validation with Business Rules
  • Unit 4: Querying Firestore Collections
    • Retrieve All Books from Collection
    • Add Conditional Filtering to Queries
    • Add Result Limiting to Queries
    • Build Complete Flexible Query Function
    • Implement Compound Query Filtering Logic

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