sql_remove_duplicate_data SQL- Multiple of ways to remove duplicate data. Here i have used 6 ways of deleting multiple recored from tables.

Sometimes we required to remove duplicate records from a table although table has a UniqueID Column with identity. Ex: CREATE TABLE dbo.Employee ( EmpID int IDENTITY(1,1) NOT NULL, Name varchar(55) ...

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

Now we need to change all duplicate values to null. In other words, after grouping by the first two fields (or one of them), only the first record in the group remains unchanged, and the first two ...

When designing objects in SQL Server, we must follow certain best practices. For example, a table should have primary keys, identity columns, clustered and unclustered indexes, data integrity and ...