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ClickHouse type sizing, Nullable, LowCardinality, codec, compression, and column storage guidance.
Codex 또는 Claude로 설치 이 Prompt를 복사해 Codex, Claude 또는 다른 어시스턴트에 붙여 넣으면 Skill 페이지를 검토하고 설치를 진행할 수 있습니다.
SOC 직업 분류 기준
Rules and strategies for exploring databases, tables, schemas, and searching metadata.
Complex rules for calling render_chart, inferring axes, and choosing chart types based on user intent.
Diagnose a ClickHouse server error (code/name/exception) and give a concrete, actionable fix.
Diagnose part/partition health of a MergeTree table — too many parts, slow/stuck merges, bad partition key.
Rules for using explain/analyze/optimize tools to help the user tune their queries.
Diagnose a column/table schema issue — Nullable overhead, oversized integer, or weak compression — and propose an ALTER.
| name | types-codecs-compression |
| description | ClickHouse type sizing, Nullable, LowCardinality, codec, compression, and column storage guidance. |
Use this skill when diagnosing wasteful schemas, poor compression, oversized integer types, Nullable overhead, LowCardinality opportunities, or codec choices.
Read reference.md before proposing schema changes or ALTER TABLE statements related to data types and codecs.
