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Introduction to Database Management Systems (DBMS)

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Introduction to Database Management Systems (DBMS)

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Questions and Answers

What is the purpose of data abstraction?

To expose all details to the end user
To store all details separately for the end user
To hide unwanted or irrelevant details from the end user (correct)
To complicate the understanding of data for the end user

What were the drawbacks of using file systems to store data?

Data redundancy and inconsistency, difficulty in accessing data, integrity problems (correct)
Efficient data access, reduced complexity, improved integrity constraints
Single file format, easy data accessibility, no integrity constraints
Limited data storage, reduced redundancy, improved consistency

What is the purpose of a Database Management System (DBMS)?

To complicate the process of accessing data
To create multiple file formats for data storage
To introduce redundancy and inconsistency in data storage
To provide a convenient and efficient environment to access interrelated data (correct)

What are some examples of database applications mentioned in the text?

Banking, Airlines, Universities, Sales, Manufacturing, Human resources (A) Signup and view all the answers

What does a Database Administrator (DBA) manage?

Interrelated data and DBMS programs (A) Signup and view all the answers

What is the purpose of data abstraction in a Database Management System (DBMS)?

To hide unwanted details from the end user (D) Signup and view all the answers

What is a drawback of using file systems to store data, as mentioned in the text?

Data redundancy and inconsistency (B) Signup and view all the answers

What is a key feature provided by a Database Management System (DBMS) for database applications?

Convenient and efficient environment for data access (A) Signup and view all the answers

What aspect of database applications did file systems struggle with, as mentioned in the text?

Difficulty in accessing data (A) Signup and view all the answers

What does a Database Management System (DBMS) provide for a particular enterprise, as mentioned in the text?

Information about the enterprise (C) Signup and view all the answers