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Diagramming Tool For SQL Select Statements 156

alxtoth writes "Snowflake is a new BSD-licensed tool that parses SQL Select statements and generates a diagram. It shows parts of the underlying SQL directly in the diagram. For example: x=30, GROUP BY (year), SUM (sales), HAVING MIN (age) > 18. The primary reason for the tool was to avoid Cartesian joins and loops in SQL written by hand, with many joined tables. The database will execute such a statement, if syntactically correct, resulting in runaway queries that can bring the database down. If you sit close to the DBAs, you can hear them screaming... "
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Diagramming Tool For SQL Select Statements

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No amount of careful planning will ever replace dumb luck.