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Rossana

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1499.78 (3,746,337th) 		Reputation
157 (537,906th)
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SQL join, compare two column values, match col values +1.19
SQL: How to update multiple values using a subquery that has group by -1.83
SQL Server: Return only unique values per group(not distinct)(not o... 0.00
Why yields in cartesian product in mysql? +0.42