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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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In this tutorial, you will learn how to use the MySQL DISTINCT clause in the SELECT statement to eliminate duplicate rows in a 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.
25 sty 2024 · The DISTINCT keyword in MySQL helps perform this action with ease. In this tutorial, we will discuss how to use the DISTINCT clause to select unique records, through a step-by-step approach, from basic to advanced queries, complemented by clear code examples and expected outputs.
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.
The DISTINCT clause in MySQL is used with a SELECT statement to return the distinct values (unique values) from a single or multiple of columns in a table. It ignores all the duplicates values present in the particular column (s) and returns only the distinct values.
DISTINCTROW is a synonym for DISTINCT. In MySQL 8.0.12 and later, DISTINCT can be used with a query that also uses WITH ROLLUP. (Bug #87450, Bug #26640100) HIGH_PRIORITY gives the SELECT higher priority than a statement that updates a table. You should use this only for queries that are very fast and must be done at once.
