Tagged NoSQL

Why this over that? Real decisions, real constraints, real reasoning.

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Database

Why PostgreSQL instead of MongoDB for an order management system?

We're building an order management platform: orders, line items, payments, refunds, shipments. Product keeps asking for "custom attributes" per merchant, which is what started the MongoDB conversation. Relational core with jsonb for merchant-specific attributes. Transactions…

PostgreSQL
MongoDB
NoSQL

MLMarcus Lee6votes4comments1.1Kviews3d ago

Consistency ↔ Flexibility

PostgreSQL 80%MongoDB 20%

10 engineers chose

Database

SQL vs NoSQL for an IoT telemetry platform

Sensors report every 10 seconds. We need per-device time-range queries (fast), fleet-wide aggregates (hourly is fine), and 90 days of hot data before archiving to S3. Timescale gives us SQL and continuous aggregates. DynamoDB gives us effortless write scale but aggregates mean…

PostgreSQL
NoSQL
MongoDB
AWS

KWKenji Watanabe7votes2comments666views1w ago

Query power ↔ Write scale

PostgreSQL + TimescaleDB 67%DynamoDB / NoSQL 33%

9 engineers chose

Why PostgreSQL instead of MongoDB for an order management system?

SQL vs NoSQL for an IoT telemetry platform

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