-- Requirement: Delete duplicate data from cars table. Duplicate record is identified based on the model and brand name.

Databases often suffer from the problem of having duplicate data. Duplicate data can cause inconsistencies in data analysis, provide inaccurate reports, and bloat databases. To prevent these problems, ...

For all countries that have multiple rows in the country_continent table, delete all multiple records leaving only the 1 record per country in the master table. The record that you keep should be the ...

Removing duplicates rows from a unique index SQL Server table You can use the index to classify the duplicate data in unique index tables then delete the duplicate records. First, we need to create a ...

Remove Duplicate Records by using ROW_NUMBER () WITH TempEmp (Name,duplicateRecCount) AS ( SELECT Name,ROWNUMBER () OVER (PARTITION by Name, Salary ORDER BY Name) AS duplicateRecCount FROM ...

Azlexica annonce Find Duplicates Wizard for SQL Server, logiciel qui permet d'effectuer une analyse dupliquée multi clés sur la base de données SQL Server 2000 ou 7.0, puis exporte le résultat dans le ...

In the following article we will go through a solution to a very common requirement of getting count of duplicate rows from sql server table.let us first create a table and add sample data to this ...