DBLC Quiz

What is the primary risk of not conducting a feasibility study during the Planning phase of DBLC?

• Increased system performance

• Risk of developing a database that does not align with business needs

• Enhanced data security

• Faster project completion

Which of the following is NOT a deliverable of the Analysis phase in DBLC?

• Entity-Relationship Diagram (ERD)

• Data models and requirements specification

• Business process documentation

• Database deployment script

Why is the Physical Design phase crucial in DBLC?

• It helps create user manuals for database administrators

• It determines how the database will be structured and optimized for performance

• It allows developers to ignore indexing and normalization

• It ensures business teams understand database structures

What is a primary concern during the Implementation phase of DBLC?

• Selecting the database management system (DBMS)

• Writing and optimizing SQL queries

• Gathering business requirements

• Conducting user training

What is an important goal of the Testing phase in DBLC?

• To confirm database security and integrity under real-world conditions

• To finalize project documentation

• To deploy the database immediately

• To remove unnecessary constraints from the schema

What is an example of DBLC in practice?

• Online calculator application design

• Developing a student enrollment system

• Implementing a vending machine system

• Enhancing an online video streaming platform

Which is a primary reason for performing regular database maintenance?

• To increase indexing errors

• To prevent data loss and ensure system efficiency

• To limit database accessibility

• To increase storage consumption

What does database normalization primarily aim to achieve?

• Data redundancy and inefficiency

• Better indexing without using foreign keys

• Minimization of redundancy and improvement of data integrity

• Faster writing of SQL queries

During which phase of DBLC is data migrated from legacy systems?

• Planning

• Testing

• Deployment

• Requirement Analysis

What is a common challenge in DBLC?

• Lack of database tuning

• Poor indexing leading to slow query performance

• Inconsistent data models

• All of the above