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Fundamentals

Overview When to Use DynamoDB (and When Not To)DynamoDB Data Types DynamoDB JSON & Marshalling The DynamoDB Item Size Limit (400 KB)DynamoDB Item-Based Actions: GetItem, PutItem, UpdateItem, DeleteItem DynamoDB Item Collections DynamoDB Composite Primary Key DynamoDB Strongly Consistent vs Eventually Consistent Reads Quiz

Data Modelling

Overview Single-Table Design in DynamoDB How to Model Data in DynamoDB When NOT to Use Single-Table Design in DynamoDB The Type Attribute in DynamoDB Denormalisation in DynamoDB Singleton Items in DynamoDB Quiz

Relationships

Overview One-to-Many Relationships in DynamoDB Many-to-Many Relationships in DynamoDB The DynamoDB Adjacency List Pattern Composite Sort Keys in DynamoDB DynamoDB Reference Counts Quiz

Querying & Sorting

Overview Query vs Scan in DynamoDB Pagination in DynamoDB DynamoDB Filtering Strategies Why a DynamoDB Scan Is Slow and Expensive DynamoDB Parallel Scans DynamoDB Sort Key Strategies How to Query DynamoDB in Descending Order Sorting DynamoDB on a Changing (Mutable) Attribute Zero-Padding Sort Keys in DynamoDB Quiz

Indexes

Overview GSI vs LSI in DynamoDB DynamoDB Index Projections: KEYS_ONLY, INCLUDE & ALL DynamoDB Sparse Indexes Key Overloading in DynamoDB Why a DynamoDB GSI Is Eventually Consistent Why a GSI throttles base-table writes in DynamoDB Quiz

Expressions

Overview DynamoDB Condition Expressions DynamoDB Update Expressions DynamoDB Key Condition Expressions DynamoDB Projection Expressions Expression Attribute Names and Values in DynamoDB Quiz

Writes & Operations

Overview DynamoDB Batch Operations: BatchGetItem & BatchWriteItem DynamoDB ReturnValues: Get the Old or New Item From a Write DynamoDB Atomic Counters Enforcing uniqueness on multiple attributes in DynamoDB DynamoDB Migrations Without Downtime DynamoDB Hot Partitions Quiz

PartiQL & SQL

Overview DynamoDB PartiQL vs SQL: What's Different (and What Breaks)PartiQL for DynamoDB by Example SQL for DynamoDB: What Works, What Doesn't, and the Workbench DynamoDB JOIN: How to Join Tables (and Why You Usually Can't)DynamoDB GROUP BY: How to Aggregate Without a GROUP BY Clause How to COUNT, SUM and Aggregate in DynamoDB Quiz

Tooling

Overview Running DynamoDB Local with Docker How to Connect to DynamoDB Local and LocalStack The Best DynamoDB GUI Clients in 2026 How to View, Browse and Edit DynamoDB Data How to Copy a DynamoDB Table to Another Account or Region How to Export a DynamoDB Table to CSV (4 Ways)DynamoDB MCP server: connect Claude Code, Cursor & Codex safely ExtendDB: Run the DynamoDB API on Your Own Database

Operations & Cost

Overview DynamoDB Transactions DynamoDB Streams DynamoDB TTL DynamoDB On-Demand vs Provisioned Capacity DynamoDB Global Tables DynamoDB Backup & Point-in-Time Recovery Quiz

Internals

Overview How DynamoDB Partition Keys Work DynamoDB adaptive capacity How a DynamoDB GSI Is Stored Internally DynamoDB physical partitions How DynamoDB storage internals work How DynamoDB Request Routing Works From the Dynamo Paper to DynamoDB Quiz

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Data Modelling quiz

Data Modelling quiz

Check your understanding of single-table design and modelling from access patterns.

Knowledge check

Question 1 of 5

What should you design DynamoDB keys around?

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