Data & SQL21 categories
Write this query, assumptions first
You know what you want to know and not how to say it in SQL.
Write the query for the question below. Before the SQL, list every ambiguity in my wording and the reading you chose, and ask me rather than choosing where the answer would materially change. Use CTEs named for what they hold. Only reference columns present in the schema I gave. Question: Schema: Dialect:
Making it yours
- Paste your own material where the prompt asks for it. Everything above that line is instruction, not content.
- Delete any rule that does not apply to you. A shorter prompt that fits beats a thorough one that does not.
- If the answer comes back vague, add a line saying what you do not want. Constraints work better than encouragement.
Writing and reading queries. Drafting SQL from a plain question, making an inherited query legible, and moving it between dialects.
Related prompts
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