Archive

- Posts Tagged ‘unique’

URI vs URN vs URL

Do you know what does URI, URL and URN means? I bet you will say that I know about URL but what about URI and URN! Here is a good description on Wikipedia and that is enough to understand these three: URI tells a unique path to a resource on… (Continue)

MySQL: Remove Duplicate Rows/Records from Table

How to remove duplicate entries from a table? Here are few methods for deleting duplicate rows/records from a table in mysql. The same concept will work in other database table for example, Oracle, as well. Methods of deleting duplicate records in a table:- 1. Alter table for adding unique index… (Continue)