This chapter will explain the 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.
The "Persons" table:
Now we want to select only the distinct values from the column named "City" from the
We use the following SELECT statement:
The result-set will look like this:
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