DBMS last-minute notes for topic Database Architecture. 1) Define Data Abstraction. 2) What are the three levels of Abstraction in DBMS?

DBMS last-minute notes for topic Deadlock. 1) What is Deadlock? 2) Give a real world scenario of deadlock.

DBMS last-minute notes for topic Normalization. 1) Define Normalization. 2) What is the need for Normalization?

DBMS last-minute notes for topic Functional Dependencies. 1) Define Functional Dependency in Relational Model.

DBMS last-minute notes for topic Backup and Recovery. 1) Explain various types of database failures.

DBMS last-minute notes for topic Relational Model. 1) Explain various anomalies in Relation Model.

DBMS last-minute notes for topic Data Modeling. 1) What are data models? 2) What are the different database models?

DBMS last-minute notes for topic Database Management System. 1) What is database? 2) What is the purpose of database?

Question-1) Define Indexing. Why is it needed? Answer) Indexing is a way to optimize the performance of a database by minimizing the...

Question-1) What is a file? Explain it's uses. Answer) A file is an object on a computer that stores data, information, settings, or...

Question-1) Define Deadlock. Answer) Deadlock is a condition in which a group of processes are waiting for the resources held by some...

Question -1) What do you understand by concurrent execution? Answer) Concurrent execution of database transactions in a multi-user system...

Question-1) What do you understand by attributes of a database? Answer) An attribute is a specification that defines a property of an...

Question-1) What is Relational Algebra? Answer) Relational algebra is a procedural query language. It gives a step by step process to...

Question-1) Define Data Abstraction? Answer) Data Abstraction is the process of hiding the background and implementation details that are...

Question-1) What are data models? Answer) Data model is representation of 1)Things (or entities or objects) of importance to a business...