TDS Classic exposes three deployment-related settings that, together, decide what every item in a TDS project looks like in the target Sitecore database after a deploy. Most teams set them once during project setup and then get bitten years later when a deploy unexpectedly recycles half the templates tree, or a "deletion" never reaches the web database. This post walks through what each setting actually does, how they interact, what happens with the master and web databases, and the combinat...