Duplicate Results In Sql Query. A query result displays all rows including the duplicate rows. To find the duplicate values in a table you follow these steps.
Return from ul in. For our example my query looks like this. When the result set from a SELECT statement contains duplicate rows you may want to remove them and keep every row data to be unique for a column or combination of columns.
The query syntax is as defined below.
SELECT username email COUNT FROM users GROUP BY username email HAVING COUNT 1. Values in a single column or multiple columns. Second write a query to search for duplicates. I recently reviewed a SQL query that was returning duplicate results.