How to implement the simultaneous filling of an online table with more than 40 people at the same time?

Question

SQL

Hello ladies and gentlemen.
There was a production need for people to simultaneously fill out an Excel spreadsheet, each with their own columns.
Personnel of the older generation and there are situations "not preserved", "poorly working" with the simultaneous work of 50 people at once. Since the problem is that someone does not save changes after work, someone deletes other people's lines, tell me the options for solving this problem, all PCs are tied with a LAN.

Answer 1

Google Docs

Answer 2

If you can’t do it online, then the best solution (in my opinion) is to write your bike.
We write a form in any programming language into which users enter their data, which are stored in the database, and from there reports are already created in the desired form and format.

Answer 3

Enable sharing so that people can work at once, or connect a password for cell ranges, each person has access only to their data that they were given. Together, as far as I remember, does not work.

Answer 4

Is it possible to run Google Docs just in LAN?