Query cost guardrails: what an AI agent can do to your warehouse bill
An AI agent can scan your whole warehouse without breaking a rule. Adding a LIMIT does not reduce what you are billed on non-clustered tables.
8 min read
#semantic-layer
3 articles
What actually goes into a semantic layer, field by field
A semantic layer is where your metric definitions live in a form a machine reads before it computes. Not a tool: a set of written decisions.
7 min read
Metric hallucination: why your AI reports a different number than your dashboard
Metric hallucination is AI computing correctly on a definition nobody wrote down. Supplying the definition raised accuracy from 45.5% to 67.7%.
7 min read