Data Storage Systems in Operating Systems: File System Approach Quiz
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Questions and Answers

What is the main advantage of using a DBMS approach over an OS file system storage based approach?

  • Separation of data and metadata (correct)
  • Hard coding record structures into programs
  • Performing structure modifications easily
  • Effort required in creating the system

Which aspect of the DBMS approach makes it easier for program-data independence?

  • Hard coding record structures into programs
  • Standardized data access language (SQL) (correct)
  • Concentration on logical level design
  • Effort required in system development

Why is ad-hoc query formulation considered easy in a DBMS approach compared to an OS file system storage based approach?

  • Maintaining consistency becomes difficult
  • Separate program for each data access request
  • Standardized data access language (SQL) (correct)
  • Effort required in creating the system

In the context of managing concurrent access, which approach provides more facilities, DBMS or OS file system storage based approach?

<p>DBMS approach (C)</p> Signup and view all the answers

Why is concentrating on logical level design considered enough in a DBMS approach?

<p>Components to organize data storage (D)</p> Signup and view all the answers

Which type of data model provides a high-level description useful for understanding requirements?

<p>Conceptual Data Model (B)</p> Signup and view all the answers

What is the purpose of setting up Remarks Views in a DB system according to the text?

<p>To manage large DB systems with identifiable user-groups (C)</p> Signup and view all the answers

In modern RDBMS, what is the role of the logical scheme?

<p>It allows modification without affecting the view level schema (A)</p> Signup and view all the answers

What is a key feature of Physical Data Independence in modern DBMS?

<p>It enables modification at the physical level without impacting logical or view level schema (B)</p> Signup and view all the answers

What does Logical Data Independence refer to in the context of DBMS?

<p>Adding new attributes without changing programs using the old attributes (C)</p> Signup and view all the answers

How does the Three-Schema Architecture contribute to database management?

<p>It facilitates seamless modification between physical, logical, and view levels (B)</p> Signup and view all the answers

During the development process of a database system, what is encompassed in the first step of requirements collection?

<p>Creating a conceptual data model like E/R model (B)</p> Signup and view all the answers

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

<p>To pose data retrieval queries in a standard manner (C)</p> Signup and view all the answers

How does a Database Management System (DBMS) enable concurrent use by a large number of users?

<p>By ensuring consistent usage by multiple users (C)</p> Signup and view all the answers

In what way does a Database Management System (DBMS) guarantee data availability?

<p>By ensuring data is accessible even after system failures (C)</p> Signup and view all the answers

What does a Database Management System (DBMS) help in efficiently retrieving?

<p>Query results in a standard manner (A)</p> Signup and view all the answers

Why is it important for a Database Management System (DBMS) to create large disk-resident databases?

<p>To increase efficiency in storing and managing data (C)</p> Signup and view all the answers

What does a Database Management System (DBMS) do to support the activities of an enterprise?

<p>Support the activities by creating and maintaining a database (B)</p> Signup and view all the answers

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