primary key

Assess

Techniques

A unique identifier used to enforce row-level uniqueness in a database table.

Why it's here

Placed in Assess: 3 article(s) of evidence from 2 source(s), led by research-stage coverage, with 1 in the last 30 days. Confidence 47%.

5InfoQ·9/14/2026research
Durable Workflows on Postgres Without an External Orchestrator
The article explains how Postgres can act as both the durable state store and coordination layer for workflows, removing the need for a separate orchestrator. It highlights patterns such as SKIP LOCKED for concurrent processing, primary-key checkpoints for idempotency, leases for crash recovery, and persisting sleeps and human approvals in the database.
5InfoQ·7/23/2026research
Using Databases as Workflow Orchestrators
Jeremy Edberg and Qian Li explain why relying on external orchestrators can reduce reliability in complex workflows. They describe how DBOS Transact uses standard database tables, SKIP LOCKED queues, and unique primary keys to support durable, low-latency execution for fault-tolerant AI workflows.
9Hacker News·7/1/2026breakthrough
First early human eggs grown from stem cells
Conception says it has generated the first early human egg cells, called primary oocytes, from stem cells derived from a blood draw. The company used induced pluripotent stem cells to build mini-ovaries in the lab, but notes that the eggs are still far from full maturity and clinical use.