#data-quality
POSTS
- \"Same vessel, inside this window\" is not a join key
Five merge plans died before the sixth worked, every one measured, none guessed. Hash one side: the planner hashes billions of rows. Force…
- NULL beats a plausible guess
What I learned. When an AI-extracted field can't be grounded in the source text, NULL beats a plausible guess. Where it bit me: the batch…