MechanismsMetadata, Catalog & LineagePlaybooksMetadata, Catalog & LineagePlaybooksWhat do I do, and what does each option cost?1Retire a table safelyDeleting tables nobody seems to use: narrow the candidates with lineage, rank them by real reads, assume a long quiet period is not proof, and make hidden use visible through a denial channel before anything is deleted.DesignPlaybooks across every mechanism →