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Does anyone know of any software to let you test relational algebra queries? By this I don't mean a database such as MySQL, something where the query can be input in some for of mathematical notation instead of SQL.

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    I'm not sure how your supposed to "test" queries without an underlying data set to compare expected results to - in which case an RDBMS would be exactly what you need. Are you looking for a syntax checker?2011-09-14

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