How to create such a database?

Question

Windows

How to create a database from a set of files of a single format? Let's say text. Those. There is a set of text files. That is, usually in the database first name last name, etc., etc., a query is created to find by name. And how to do the same but for text files so that you can then open the found

Answer 1

Let me rephrase your question:
You can do a search with fgrep and find, but that's a really bad idea. Learn a ready-made DBMS, MySQL for example, and do not produce entropy.

Answer 2

Include them in your Windows 10 search.