Hello, I've got a bit of an unusual request, I want to create some duplicate rows in a SQL Server table. We have a WorkOrders table that has our customer orders in it. Every order has a WOID ...

Do you want to find out how to avoid duplicates in the results of a SQL SELECT query? This article will show you how.

Duplicate and Ignore on MySQL Inserts. MySQL table primary keys and unique indexes prevent multiple rows with the same index from being added to the table.

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 ...

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

When you use SELECT in a PL/SQL block, it’s important to make sure that exactly one row will always be returned by your query. If more than one row is returned, the TOO_MANY_ROWS exception occurs.