Database management system mock test

How do I prepare for DBMS?
A database management system (DBMS) is a software tool that enables users to manage a database easily.
It allows users to access and interact with the underlying data in the database.
These actions can range from simply querying data to defining database schemas that fundamentally affect the database structure..
What is database management system question answer?
Advanced DBMS Interview Questions
Explain different types of Normalization forms in a DBMS.
Following are the major normalization forms in a DBMS: Explain different types of keys in a database.
There are mainly 7 types of keys in a database: Explain the difference between a 2-tier and 3-tier architecture in a DBMS..

Do I need a state machine to mock a database?

You need a state machine that remembers the state of each "mocked" table

In other words, you'll implement a database

As piotrek mentioned, too, mocking will only take you this far

It is useful in simple cases when you need to intercept only a few very well known queries

It is impossible, if you want to mock the database for an entire system