NoSQL #

MongoDB

A complete guide to MongoDB in Dart — the mongo_dart package, connections and pooling, CRUD with filter operators, aggregation pipelines, indexing, multi-document transactions, mapping to model classes, and anti-patterns to avoid.

Elasticsearch

A complete guide to Elasticsearch in Dart — REST API via the http package, index management, document CRUD, complete query DSL, full-text search, aggregations, bulk operations, authentication, and anti-patterns to avoid.