Exam 9: Database Design
Exam 1: Database Systems72 Questions
Exam 2: Data Models75 Questions
Exam 3: The Relational Database Model74 Questions
Exam 4: Entity Relationship Ermodeling75 Questions
Exam 5: Advanced Data Modeling83 Questions
Exam 6: Normalization of Database Tables92 Questions
Exam 7: Introduction to Structured Query Language SQL92 Questions
Exam 8: Advanced SQL95 Questions
Exam 9: Database Design87 Questions
Exam 10: Transaction Management and Concurrency Control76 Questions
Exam 11: Database Performance Tuning and Query Optimization82 Questions
Exam 12: Distributed Database Management Systems72 Questions
Exam 13: Business Intelligence and Data Warehouses75 Questions
Exam 14: Big Data Analytics and NoSQL76 Questions
Exam 15: Database Connectivity and Web Technologies81 Questions
Exam 16: Database Administration and Security81 Questions
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The traditional Systems Development Life Cycle (SDLC)is divided into phases.
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(Multiple Choice)
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Correct Answer:
D
Data integrity is enforced by the database management system (DBMS)through the proper use of primary and foreign key rules.
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(True/False)
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True
The database contents might be loaded interactively or in batch mode using a variety of methods and devices including customized user programs.
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(True/False)
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True
The term "database development" is used to describe the process of database design and implementation.
(True/False)
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The Systems Development Life Cycle (SDLC)is a sequential process rather than an iterative process.
(True/False)
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A designer must have a thorough understanding of the company's data types,extent,and uses in order to develop an accurate _____.
(Short Answer)
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In the context of the database design process,the conceptual design step that determines end-user views,outputs,and transaction-processing requirements is .
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A is an information system component that handles a specific business function,such as inventory,orders,or payroll.
(Short Answer)
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Discovery of user requirements,existing system evaluation,and logical system design are part of the phase of the Systems Development Life Cycle (SDLC).
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The analysis phase of the Systems Development Life Cycle (SDLC)involves a cycle of coding,testing,and
debugging.
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Database performance is one of the least important factors in all database implementations.
(True/False)
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are usually provided by the database management system (DBMS)to check for access violations.
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The advent of very sophisticated application generators and has substantially decreased coding and testing time.
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The process of creating an information system is known as .
(Multiple Choice)
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Programmers use database tools to the applications during coding of the programs.
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A system is always at some stage of SDLC because every request for structural changes requires retracing the steps of the Systems Development Life Cycle (SDLC).
(True/False)
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The implementation of applications tends to prolong the operational life of systems by making them easier to update and maintain.
(Multiple Choice)
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Producing the required information flow is part of the phase of the Database Life Cycle (DBLC).
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In the context of the database design process,the conceptual design step that defines the fragmentation and allocation strategy is .
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In a(n),only the objects that have been updated or modified since the last full backup are backed up.
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