#dynamodb

Versión en español aquí. Spoiler: Lambda's disk exists. It's ephemeral, read-only, and...

Edit in place against DynamoDB from a JavaScript data grid: editable cells with optimistic write-back and revert on refusal, a full-screen toggle, and the row form in a side panel, all through a Node Lambda.

Add and delete against DynamoDB from a JavaScript data grid: the grid's built-in row form creates a product and a right-click menu deletes one, both through a Node Lambda.

DynamoDB TTL deletes data asynchronously, so learn how to prevent expired “ghost” records from being used while keeping the fix completely free.

Create a DynamoDB table, seed it, put a Node Lambda with a Function URL in front of it, and show the data in a sortable, filterable JavaScript grid. Part 1 of a step-by-step CRUD series.

English version here. Spoiler: El disco de Lambda existe. Es efímero, de solo lectura y...

Vector indexes are not only for embeddings. Project a latitude and longitude onto the unit sphere and Euclidean distance gives you the true great-circle ordering, which is more than a geohash manages anywhere near a cell boundary.

Introduction Hi, I'm miruky. A database commit can succeed while the caller believes...

Query a DynamoDB global secondary index in Node.js with AWS SDK v3 — a runnable QueryCommand example with IndexName, pagination, and the GSI consistency rules.

Mandei o mesmo pedido várias vezes para o SQS. Sem guarda, o worker cobrou quatro vezes. Com um PutItem condicional no DynamoDB, as cópias perderam o claim e a tabela ficou com um ORDER-003 COMPLETED.

Query a DynamoDB global secondary index from the AWS CLI — a runnable query example with --index-name and the GSI consistency rules.

Query a DynamoDB partition in Go with AWS SDK v2 — a runnable Query example with a key condition expression and the built-in QueryPaginator for full pagination.