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Explains what a SQL query does in plain language and flags likely performance pitfalls. Use when the user pastes a SQL statement and asks "what does this do", "is this slow", or wants an index suggestion.
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| name | sql-query-explainer |
| description | Explains what a SQL query does in plain language and flags likely performance pitfalls. Use when the user pastes a SQL statement and asks "what does this do", "is this slow", or wants an index suggestion. |
Make a SQL statement understandable and spot the obvious traps.
SELECT *, non-sargable predicates, accidental cross joins.LIKE '%x' and functions wrapped around indexed columns as index-defeating.