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ExampleGet your own SQL Server. Select all the distinct (unique) countries from the "Customers" table: SELECT DISTINCT Country FROM Customers;. Try it Yourself ...
2021/4/5 -In this article we look at how to retrieve a list of distinct datasets from SQL Server without repeating information using the DISTINCT ...
Use the SELECT DISTINCT clause to return only unique rows from your query. Filter out duplicates and list distinct values efficiently.
This video is an introduction to the SELECT DISTINCT statement in SQL. Part of a series of video tutorials to learn SQL for beginners!
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2026/10/17 -Use DISTINCT when the list of values is the whole answer, and GROUP BY as soon as you need a count, a sum or an average per group. COUNT( ...
2023/10/24 -The DISTINCT clause is an optional part of the SELECT statement and returns a set of unique records based on the columns included in the ...
2009/10/5 -What you want is COUNT(DISTINCT <expression>) : evaluates expression for each row in a group and returns the number of unique, non-null values.
2025/7/15 -In SQL Server, distinct is a term used to remove duplicates from a table. Syntax. SELECT DISTINCT column1, column2, ... FROM table_name. WHERE ...
The complete guide to SQL DISTINCT. Learn the syntax, parameters, use cases and find practical examples in the Hightouch SQL Dictionary.