All tools

SQL Query Explainer (AI)

Code

Paste a SQL query and get a plain-English explanation of what it returns, how it is evaluated step by step, which tables it touches, and what to check for performance, powered by GPT-4o mini

Inheriting a 60-line query full of CTEs, window functions, and correlated subqueries is a normal part of the job, and reading it top to bottom rarely tells you what it actually returns. Paste the query here and GPT-4o mini gives you a one-paragraph summary of the result set, an ordered walkthrough of how the query is evaluated, a list of every table and CTE with the role it plays, and notes on patterns worth checking for performance. You can pin the dialect (Postgres, MySQL, SQLite, SQL Server, Oracle, BigQuery, Snowflake) or leave it on auto and let the model infer it from the syntax. This is a server-backed AI tool, so your query text is sent to OpenAI, and the model only ever sees that text: it has no access to your schema, indexes, row counts, or a real query plan, so the performance notes are leads to verify with EXPLAIN rather than findings.

sqldatabasequeryexplainai

How to use SQL Query Explainer (AI)

  • 1.Paste the SQL query you want explained, or load one of the built-in examples.
  • 2.Pick a dialect if the query uses vendor-specific syntax, or leave it on auto.
  • 3.Read the summary, the step-by-step evaluation order, the tables it touches, and the performance notes, then confirm anything performance-related with EXPLAIN on your own database.

Frequently asked questions

Does this run in my browser or on a server?
On a server. The explanation requires an LLM, so your query text is sent to OpenAI's API. Unlike the deterministic tools on this site, nothing about it runs locally.
Can it see my database schema or indexes?
No. It reads the query text and nothing else, so it cannot know your table sizes, indexes, or statistics. Treat the performance notes as things to check, not as a verdict.
How is this different from the SQL Formatter?
SQL Formatter is a deterministic pretty-printer that reindents and uppercases keywords without interpreting the query. This one explains what the query means in plain English.
How many explanations do I get?
The free plan includes 3 per month and Pro includes 25, alongside the site's other AI tools' own monthly quotas. Usage shows on your dashboard.
Should I paste a query containing real data?
Avoid it. Literal values in the query are sent to OpenAI along with the rest of the text, so strip or replace anything sensitive before pasting.

Use via API, SDK, or MCP

cURL# Free: a few generations/month · Pro: more per month
curl -X POST api.utilix.tech/v1/ai/sql-explain \
  -H "Authorization: Bearer utx_live_..." \
  -H "Content-Type: application/json" \
  -d '{"prompt": "..."}'

Free plan includes a monthly quota; Pro raises the limit. Get an API key from your dashboard · Full API docs →

Related tools

CSS Explainer (AI)Paste any CSS and get a plain-English breakdown of every selector and property: powered by GPT-4o miniCSSSQL FormatterFormat and minify SQL with keyword uppercasing and dialect detectionCodeStack Trace Summarizer (AI)Paste an error stack trace and get the likely error type, a plain-English explanation of the cause, and a suggested fix, powered by GPT-4o miniCode