SQL Performance: SELECT DISTINCT versus GROUP BY

SQL Performance: SELECT DISTINCT versus GROUP BY

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Using distinct on a column and doing order by on another column gives an error

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How to Select only one unique record from the Table using Distinct

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Select distinct and non-distinct column values

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SQL distinct with group by in Oracle

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Need to count distinct values with a composite primary key

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Oracle SQL - How to get distinct rows using RANK() or DENSE_RANK() or ROW_NUMBER() analytic function?

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Oracle - Group by Cube - Sum by distinct column

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Oracle Distinct on one column

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PL/SQL SELECT with multiple COUNT(DISTINCT xxx) - unexpected results

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Remove duplicates from first column in Select (not Distinct) in Oracle

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Select distinct ... inner join vs. select ... where id in (...)

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is not distinct from in join on clause oracle

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Mix DISTINCT and UPPER keywords together

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SQL get LAST record for each ID after some Date

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