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Databases

Submission + - Snowflake query diagramming tool (sourceforge.net)

alxtoth writes: There is a new open source 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 syntactically correct statement, resulting in runaway queries that can bring the database down. If you sit close to the DBA's, you can hear them screaming .. License is BSD, and link: http://sourceforge.net/projects/revj/
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Snowflake query diagramming tool

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