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Explain an existing SQL query

Explain the behaviour of an existing SQL statement.

What to provide

SQL
Schema

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Fill in what you know. Empty fields stay as placeholders.

SQL

Supply SQL for this task.

Schema

Supply schema for this task.

Optional instructions

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Your prompt

Explain [SQL] using [schema]. Describe each logical stage, join behaviour, filters, grouping and output. Identify possible duplicates, null handling and assumptions without claiming execution performance you have not measured.

2 inputs to replace

How to use this prompt

Supply the schema and the complete statement, including relevant views or functions.

What to check in the result

Separate logical behaviour from performance claims that require execution evidence.

Technology, explained

Ideas into practice

Explain an existing SQL query

What to provide

How to use this prompt

What to check in the result