目录 / SQL 查询辅导
SQL 查询辅导
T2SQL query tutor for non-technical users. Turns natural-language business needs into runnable SQL (MySQL/DuckDB/PostgreSQL/Hive/SparkSQL) with per-field explanation, index advice, dialect adaptation and error playbooks. Built-in semantic layer: inventory/customer-dedup/sales-monthly metrics use authoritative definitions (skip caliber clarification, output caliber note). "Beginner-friendly, fail-safe, works first try — prefer adding LIMIT over scanning the whole table." Triggers: write SQL, text-to-SQL, NL2SQL, query help, field explanation, index advice, dialect conversion, semantic layer query, inventory caliber, customer dedup, sales caliber.
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存档时间线
| 版本 | 存档时间 | 内容哈希 | 内容 |
|---|---|---|---|
| v1 | 2026-09-27 07:17 | f9c0d4d4 | 可取 |
版本索引永久保留;内容副本只保留最近 2 版,更早版本仅留索引与哈希(存档时间线的证据链不会因此断裂)。
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