Visual studio c# - sql - what's what?

Question

SQL

I am new to sql and have never worked with it.
Task: to add a LOCAL sql database to the program
Question: is it necessary for the user to install a third-party program for working with sql database? (e.g. Microsoft SQL Server, etc.)
Note: the base will grow gradually - tables

Answer 1

SQLite / Firebird - does not require
MS Sql Server / MySql / PostgreSql - requires

Answer 2

You can use simple serialization if you are going to install on a database per user basis.
ps
There are 3 different things:
-database (file) -database
management system (server)
-database management language (sql)

Answer 3

Try SQLite