How can I return duplicate rows for a set of IDs?
2062
How can I remove duplicate rows?
87544
MySQL: find out missing order IDs
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MySQL get missing IDs from table
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Deleting duplicate rows from a table
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How do I (or can I) SELECT DISTINCT on multiple columns?
78728
Finding duplicate values in a SQL table
108056
Returning a result set with multiple rows based on max date
13261
Return row only if value doesn't exist
118231
Return multiple values in one column
32335
How to get duplicate items from a list using LINQ?
49911
How can I return 10 of the most recent results in sql?
49227
Help us find duplicates efficiently
113049
How to delete duplicate rows in SQL Server 2008?
84870
Merge duplicate records into 1 field
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Query is returning a single concatenated string of values THEN the rows it found
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How to find and return a duplicate value in array
12835
How to efficiently find positions of duplicates?