![]() This table has some duplicate data (in all the four columns) which needs to be deleted except the original one row. To demonstrate this, let’s create the dummy table with some sample data. If all columns, then the only solution that I am aware of is to do a SELECT DISTINCT from the table into a new table (and then rename/swap table names). ![]() ![]() Assume that we have a table named tbl_sample which has four columns – EmpId, EmpName, Age, and City. Finding duplicate values in a SQL table Ask Question Asked 13 years, 2 months ago Modified 5 months ago Viewed 3. How can I remove duplicates from a list of entries TAGS: SQL. In this post “Find and Delete all duplicate rows but keep one”, we are going to discuss that how we can find and delete all the duplicate rows of a table except one row. To delete duplicate rows in SQL Server where no unique row ID exists, you can use the ROWNUMBER() function in combination with a common table expression (CTE). Learn more from How can I delete duplicate rows from a SQL Server tables and Q. ![]()
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