SQL SELECT DISTINCT Statement

In a table, some of the columns may contain duplicate values. This is not a problem, however, sometimes you will want to list only the different (distinct) values in a table.

The DISTINCT keyword can be used to return only distinct (different) values.

SQL SELECT DISTINCT Syntax

SELECT DISTINCT column_name(s) FROM table_name

SELECT DISTINCT Example

The "Persons" table:

Now we want to select only the distinct values from the column named "City" from the table above.

We use the following SELECT statement:
The result-set will look like this:

SELECT DISTINCT City FROM Person