I need to remove duplicate rows from a fairly large SQL Server table (i.e. 300,000+ rows). The rows, of course, will not be perfect duplicates because of the existence of the RowID identity field.

It can be done by many ways in sql server the most simplest way to do so is: Insert the distinct rows from the duplicate rows table to new temporary table. Then delete all the data from …

May 29, 2018 · 73 Use the DISTINCT keyword in a subquery to remove duplicates before combining the results: SQL Fiddle

Sep 18, 2008 · I have a table with say 3 columns. There's no primary key so there can be duplicate rows. I need to just keep one and delete the others. Any idea how to do this is Sql …

Sep 12, 2010 · Can you clarify what precision of date you start considering dates duplicate - day, hour, minute? In any case, you'll probably want to floor your datetime field. You didn't indicate …

You can use the in SQL Server to get the distinct records only. Apart from this you can also use the function to get the distinct result by assigning the numbers to a result set.

Jul 28, 2019 · It uses a common table expression (CTE) and a partition window (I think these features are in SQL 2008 and later). This example finds all students with duplicate name and …

Jul 23, 2016 · If you're looking for a way to remove duplicates, yet you have a foreign key pointing to the table with duplicates, you could take the following approach using a slow yet effective …

Feb 10, 2009 · I'm testing something in Oracle and populated a table with some sample data, but in the process I accidentally loaded duplicate records, so now I can't create a primary key …

Jul 14, 2009 · LEFT OUTER JOIN OFFICE_MIS ON CLIENT.REFERRAL_OFFICE = OFFICE_MIS.TABLE_CODE Although I added DISTINCT, I still get a "duplicate" row. I say …