SQL Select Unique Values (Book and Authors)
7675
Explicit vs implicit SQL joins
122246
SQL Server 2005 How Create a Unique Constraint?
155779
Selecting Unique Elements From a List in C#
95678
MYSQL: How to select all attributes of all duplicate entries?
60555
How to count occurrences of a column value efficiently in SQL?
113435
Dropping Unique constraint from MySQL table
96093
How do I get the distinct/unique values in a column in Excel?
22985
SQL query that gives distinct results that match multiple columns
10409
How To Create A 'Two-Sided' Unique Index On Two Fields?
79850
Interview - Detect/remove duplicate entries
23853
MySQL remove duplicates from big database quick
112077
How to check if a value already exists to avoid duplicates?
110097
How do I compare two columns in SQL?
37727
How to randomly select rows in SQL?
139969
How to represent it with UNIQUE indexes and foreign keys?
78728
Finding duplicate values in a SQL table
76577
Single query approach to split and copy string values in a column