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The SQL SELECT DISTINCT Statement. The SELECT DISTINCT statement is used to return only distinct (different) values. Example. Select all the different countries from the "Customers" table: SELECT DISTINCT Country FROM Customers; Try it Yourself »
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SQL WHERE Clause - SQL SELECT DISTINCT Statement - W3Schools
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The SELECT DISTINCT command returns only distinct...
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Introduction to MySQL DISTINCT clause. When querying data from a table, you may get duplicate rows. To remove these duplicate rows, you use the DISTINCT clause in the SELECT statement. Here’s the syntax of the DISTINCT clause: SELECT DISTINCT . select_list. FROM . table_name. WHERE . search_condition. ORDER BY .
The SELECT DISTINCT command returns only distinct (different) values in the result set. The following SQL statement selects only the DISTINCT values from the "Country" column in the "Customers" table: Example. SELECT DISTINCT Country FROM Customers;
The SELECT DISTINCT statement in MySQL is used to retrieve unique values from a specified column or combination of columns in a table. It is particularly useful when you want to eliminate duplicate rows from the result set.
25 cze 2024 · This clause helps you retrieve only unique rows from your query results, making it an essential tool for data analysis and reporting. In this article, we’ll explore the DISTINCT clause, its syntax, and practical examples to help you use it effectively in your database operations.
11 lis 2014 · SELECT DISTINCT(Product_Name), (SELECT COUNT(Product_Name) from Product WHERE Product_Name = Prod.Product_Name) as `Product_Count` from Product as Prod Optimized version without Distinct : SELECT Product_Name, COUNT(Product_Name) AS `Product_Count` FROM Product GROUP BY Product_Name
This MySQL tutorial explains how to use the MySQL DISTINCT clause with syntax and examples. The MySQL DISTINCT clause is used to remove duplicates from the result set. The DISTINCT clause can only be used with SELECT statements.
