The SQL SELECT DISTINCT Statement. The SELECT DISTINCT statement is used to return only distinct (different) values.

In most cases, a DISTINCT clause can be considered as a special case of GROUP BY. For example, the following two queries are equivalent: Due to this equivalence, the optimizations …

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.

2024年1月25日 · 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 …

2024年10月10日 · In essence, a MySQL DISTINCT clause eliminates all duplicates and provides only unique results. Some may link it to the capabilities of a UNIQUE INDEX and they wouldn’t …

2024年6月25日 · MySQL offers a straightforward solution for this with the DISTINCT clause. This clause helps you retrieve only unique rows from your query results, making it an essential tool …

Learn how to use the MySQL DISTINCT keyword to filter out duplicate entries and retrieve unique values in your database queries efficiently. Explore examples and best practices.

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 …

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 …

In MySQL, the DISTINCT clause is used with the SELECT statement to retrieve the unique records from the result set. Syntax: Parameters: expressions: It is used to specify the columns …