Harness-engineering db-scan-types

name: db-scan-types version: '1.0.0' description: Sequential scan, index scan, bitmap scan, and index-only scan -- when the planner chooses each stability: static cognitive_mode: advisory-guide type: knowledge tier: 3 triggers:

• manual platforms:
• claude-code
• gemini-cli
• cursor
• codex tools: [] paths: [] related_skills:
• db-explain-reading
• db-btree-index
• db-covering-index
• db-query-statistics
• db-query-rewriting stack_signals:
• postgresql
• mysql
• database keywords:
• sequential-scan
• index-scan
• bitmap-scan
• index-only-scan
• scan-type
• table-access
• planner metadata: author: community upstream: postgresql.org/docs/current/using-explain.html state: persistent: false files: [] depends_on: []