Tag: Delete

Categories
SQL

Dealing with Duplicate Data

Data quality and consistency is key to the services we support and solutions we deliver. A gremlin which can undermine that is duplicate data. Let’s start the new year dealing with duplicate data and having a good clear-out. For our example we’ll consider an Order Product table which contains an OrderID and ProductID, and the combination of these should […]

Categories
SQL

Complex Updates and Deletes

The UPDATE and DELETE statements allow us to manage the data within our databases and being able to use them effectively is key. There was recently a question from a junior developer asking about how to perform data changes when table joins are required so I thought it a good opportunity to put forward some more thought out details […]