Database Management Quiz

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What is a database commonly defined as?

A temporary collection of unstructured data.

A system for processing data without coordination.

A tool for managing individual file processing.

An organized collection of logically related data. (correct)

Which of the following is NOT a limitation of conventional file processing?

Program-data dependency.

Excessive program maintenance.

Centralized data management. (correct)

Limited data sharing.

What is one of the major advantages of using a database over file processing?

Reduces costs of hardware.

Improves data duplication.

Simplifies application logic.

Enhances data integrity. (correct)

Which of the following best describes metadata?

Data that describes the properties of user data. Signup and view all the answers

What is a significant problem caused by data redundancy?

Inconsistency in data. Signup and view all the answers

Which component is essential for managing a database?

Database Management System (DBMS). Signup and view all the answers

What does the database system development life cycle include?

Steps for developing a database system. Signup and view all the answers

Which characteristic is true of structured data?

It can include numbers, text, and dates. Signup and view all the answers

What is the primary purpose of the planning phase in the Systems Development Life Cycle?

Information requirements elicitation and structure Signup and view all the answers

During which phase is the detailed design specification delivered?

Logical Design Signup and view all the answers

What primary activity occurs during the physical design phase in the context of database activity?

Defining the database to the DBMS Signup and view all the answers

What is the main deliverable of the maintenance phase in the Systems Development Life Cycle?

Periodic audits Signup and view all the answers

What kind of issues does database maintenance primarily address?

Error corrections and performance tuning Signup and view all the answers

Which of the following is NOT a purpose of the physical design phase?

Programming and installation Signup and view all the answers

What is typically delivered during the implementation phase?

Operational program documentation Signup and view all the answers

What distinguishes a project from other activities?

It has clearly defined tasks and objectives. Signup and view all the answers

During which phase would programming and testing mainly occur?

Implementation Signup and view all the answers

Which of the following best describes the role of logical design in database development?

It outlines transactions, forms, and views. Signup and view all the answers

What role does a Database Management System (DBMS) play in a database environment?

It serves as the software for managing the database. Signup and view all the answers

Which of the following describes the nature of relationships in a database?

Relationships between entities can vary, including one-to-many (1:M) and many-to-many (M:N). Signup and view all the answers

What is an advantage of using the database approach?

Improved data sharing and consistency. Signup and view all the answers

Which of the following best describes the Enterprise Data Model?

A high-level depiction of entities and relationships for the organization. Signup and view all the answers

What is a common challenge associated with the database approach?

Need for specialized personnel. Signup and view all the answers

Which element captures the nature and relationships of data in a database?

Data Models Signup and view all the answers

What component acts as a centralized storehouse of metadata in a database environment?

Repository Signup and view all the answers

What represents the organizational conflict in database management?

Complicated conversion and installation processes. Signup and view all the answers

What is the first step in the database development process?

Enterprise Data Model Signup and view all the answers

Which personnel are responsible for maintaining the database?

Data/Database Administrators Signup and view all the answers

Which phase in the Systems Development Life Cycle involves a thorough requirements analysis?

Analysis Signup and view all the answers

What is a characteristic of the System Development Life Cycle?

It is a time-consuming but comprehensive process. Signup and view all the answers

What is generally depicted in an entity-relationship diagram?

Descriptions of entity types and their relationships Signup and view all the answers

During which phase of the SDLC is the 'Request for Study' created?

Planning Signup and view all the answers

What does the Prototyping approach to database development emphasize?

Cursory initial modeling and rapid iteration Signup and view all the answers

Which activity is included in the Physical Design stage of SDLC?

Deciding on database storage structures Signup and view all the answers