Why are database access control methods more crucial than those used in flat-file environments? What does a database management system (DBMS) really accomplish to help regulate the database environment?

Discuss the concept of database locking and its relevance in multi-user database systems. What are the different types of locks, and how do they affect concurrency?

What part of a database management system is in charge of ensuring that several users are not accessing the same database at the same time?

Explain the reasons why the techniques to access control used in database settings are more significant than those used in systems with flat files. Database management systems, often known as DBMS, play a role in helping to regulate the environment of a database, but what precisely does it do?

When developing a database management system, it is customary to make use of a tight two-phase locking scheme. What exactly is it about this protocol that has led to its widespread adoption?

Is it critical for database administrators to have access to a database management system and the ability to support their response?