SQL SELECT DISTINCT
The SQL DISTINCT command is used with SELECT key word to retrieve only distinct or unique data.
In a table, there may be a chance to exist a duplicate value and sometimes we want to retrieve only unique values. In such scenarios, SQL SELECT DISTINCT statement is used.
Note: SQL SELECT UNIQUE and SQL SELECT DISTINCT statements are same.
Let's see the syntax of select distinct statement.
Let's try to understand it by the table given below:
Here is a table of students from where we want to retrieve distinct information For example: distinct home-town.
Now, it will return two rows.