How to search for unique data in SQL?

To retrieve non-duplicate data, you can use the keyword DISTINCT to filter out duplicate rows. Here is an example SQL query for retrieving unique data from a table:

SELECT DISTINCT column1, column2, column3
FROM table_name;

In the query above, column1, column2, and column3 are the columns you want to retrieve, and table_name is the name of the table you are querying. By using the DISTINCT keyword, you can ensure that the result set does not contain duplicate rows.

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