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 ...

The delete query should delete all duplicate rows except one. Here is the SQL query that does the job. PARTITION BY divides the query result set into partitions ...

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) ...

Create a new empty table except set the fields that you don''t want duplicated as primary key and then dump the entire table from old to new and all the duplicated records will get bumped out as ...

Contribute to glavoy/Useful-SQL-Scripts development by creating an account on GitHub.

Effectively maintaining an Access database requires the regular removal of duplicate records. The Find Duplicates Query wizard handles this chore quickly and easily.

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 ...