The example shows two ways to use csv data; as individual
Tags or convert the csv to a List and post that to a Tag.
Said another way; take your csv, convert the csv to a List. Post the List in a catch all Tag. There are example Blocks in the Link.
suitable for your Project? or suitable for storing csv files as a List in a Tag.
Any of these 'databases' might be suitable:
or a GoogleSpreadsheet used as a database METRIC RAT AI2 - Working with Text and CSV Files on Google Drive
What you might use depends on the details of your Project.
or perhaps this is what you want to know