Questions tagged [duplicate-keys]

I have a huge amount of files (mostly documents like pdf ~80-90%, but also images, videos, webpages, audio etc.), somewhere around 3.8 millions of files which occupies ~7.8Tb of hard drive space on a 10Tb hdd. I have tested a lot of software from…

I have an array of records for bids (sample below in JSON). I would like to store this data in a relational database (Postegresql), however, the supplier data is not given with IDs, and there will be some entries that need to be deduplicated. For…

Let's say I want to model a phonebook. I would like a phonebook to be maintained in sorted order by name of the person that the phonebook entry is created for. However, since it is quite possible that there are two people with the same name, I…

I am developing an app and I need to tackle a problem here. The app is kind of an e-commerce app where each user will be shown a list of items daily. The problem is, I need to keep a track of all the items seen by a user so that those items are not…