Enhanced Discovering Computers 201...

1st Edition
Misty E. Vermaat + 4 others
Publisher: Cengage Learning
ISBN: 9781305657458

Enhanced Discovering Computers 201...

1st Edition
Misty E. Vermaat + 4 others
Publisher: Cengage Learning
ISBN: 9781305657458


Chapter 11, Problem 2TF
Textbook Problem

A check digit often confirms the accuracy of a primary key value. (503)

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Chapter 11 Solutions

Enhanced Discovering Computers 2017 (Shelly Cashman Series) (MindTap Course List)
Ch. 11 - Explain how you access data in a web database....Ch. 11 - Identify uses of web databases for government,...Ch. 11 - A(n) _____ defines how users view the organization...Ch. 11 - List possible uses of an object-oriented database.Ch. 11 - Explain the characteristics, sources, and uses of...Ch. 11 - Describe the role of the database administrator.Ch. 11 - Define the term, data dictionary. Explain how a...Ch. 11 - A(n) _____ is a request for specific information...Ch. 11 - List steps to import and export data between a...Ch. 11 - Define the terms query language, SQL, and QBE.Ch. 11 - Define the terms, form and report writer.Ch. 11 - Explain how access privileges contribute to data...Ch. 11 - Explain issues surrounding accidental access of...Ch. 11 - List methods to restore or backup a database....Ch. 11 - Identify the five phases in the SDLC. Name three...Ch. 11 - Identify who participates in system development....Ch. 11 - Define the term, project management. List elements...Ch. 11 - Define the function of project management...Ch. 11 - Describe how Gantt and PERT charts are used.Ch. 11 - Define the terms, scope creep and change...Ch. 11 - Identify tests used to evaluate feasibility of a...Ch. 11 - Describe ways that team members collaborate.Ch. 11 - Identify data and information gathering...Ch. 11 - Describe circumstances that can initiate system...Ch. 11 - List the four activities of the planning phase....Ch. 11 - Describe the activities of the analysis phase....Ch. 11 - Explain security issues surrounding outsourcing.Ch. 11 - List the two activities of the design phase....Ch. 11 - Differentiate among an RFQ, RFP, and RFI. Describe...Ch. 11 - Explain what occurs when vendor proposals are...Ch. 11 - Explain the activities and users involved in the...Ch. 11 - List the four activities of the implementation...Ch. 11 - List the three activities of the support and...Ch. 11 - Define the following terms: programming language,...Ch. 11 - Explain issues surrounding colleges teaching...Ch. 11 - Define the terms, procedural language, compiler,...Ch. 11 - Describe the following: 4GLs, classic programming...Ch. 11 - List steps to publish a webpage. Explain how web...Ch. 11 - Explain how the sports industry uses technology.Ch. 11 - In a data hierarchy, each higher level of data...Ch. 11 - A check digit often confirms the accuracy of a...Ch. 11 - In a typical database system, each department or...Ch. 11 - In a file processing system, duplicated data can...Ch. 11 - Many programs today use forms on a webpage as...Ch. 11 - File processing systems require more memory,...Ch. 11 - To retrieve or select data in a database, you...Ch. 11 - Unlike a form, you use a report writer only to...Ch. 11 - One way to secure a database is to allow only...Ch. 11 - In a rollforward, the DBMS uses the log to undo...Ch. 11 - Gantt charts are better suited than PERT charts...Ch. 11 - The planning phase begins when the steering...Ch. 11 - A(n) _____ check tests data in two or more...Ch. 11 - Which of the following is not an advantage of a...Ch. 11 - A _____ defines how users view the organization of...Ch. 11 - A(n) _____ database stores data in tables that...Ch. 11 - A _____ contains data about each file in the...Ch. 11 - Which of the following is not a phase in the SDLC?...Ch. 11 - _____ feasibility measures whether an organization...Ch. 11 - Systems analysts use a(n) _____ test to verify...Ch. 11 - Data type a. procedures that keep data current b....Ch. 11 - Primary key a. procedures that keep data current...Ch. 11 - file maintenance a. procedures that keep data...Ch. 11 - Validation a. procedures that keep data current b....Ch. 11 - check digit a. procedures that keep data current...Ch. 11 - Object a. procedures that keep data current b....Ch. 11 - Standards a. procedures that keep data current b....Ch. 11 - feature creep a. procedures that keep data current...Ch. 11 - object program a. procedures that keep data...Ch. 11 - source program a. procedures that keep data...Ch. 11 - What are common data types?Ch. 11 - What is included in file maintenance?Ch. 11 - What is function creep?Ch. 11 - How does a DBMS typically flag deleted records or...Ch. 11 - What are the different types of validity checks?...Ch. 11 - What are the different types of validity checks?Ch. 11 - What are two major weaknesses of file processing...Ch. 11 - What are the advantages of a database approach to...Ch. 11 - What are three popular data models used today?...Ch. 11 - What trends have contributed to Big Data?Ch. 11 - What is stored in the data dictionary?Ch. 11 - What steps can you take to recover from identity...Ch. 11 - What are the steps in the SDLC?Ch. 11 - Who should be included on a project team? (517)Ch. 11 - How do the responsibilities of a project manager...Ch. 11 - What four tests does a systems analyst use to...Ch. 11 - What techniques do systems analysts use to gather...Ch. 11 - What four major activities take place during the...Ch. 11 - Why is detailed analysis sometimes called logical...Ch. 11 - How do RFQs, RFPs, and RFIs differ? (523)Ch. 11 - What does a program specification package...Ch. 11 - What are the four major steps in the...Ch. 11 - Why might users work with a sandbox? (525)Ch. 11 - What tests might a systems analyst perform on test...Ch. 11 - How do direct, parallel, phased, and pilot...Ch. 11 - How does a compiler differ from an interpreter?...Ch. 11 - What are some popular object-oriented programming...Ch. 11 - No Search Results While searching a web database...Ch. 11 - Incorrect Price You are shopping for groceries...Ch. 11 - Webpage Not Readable You are attempting to view a...Ch. 11 - Inaccurate Credit Report You have obtained a free...Ch. 11 - Webpage Script You are viewing a webpage and have...Ch. 11 - Data Entry Issues You are in charge of adding...Ch. 11 - Incorrect Postal Codes Your companys database...Ch. 11 - Database Connection Error While interacting with a...Ch. 11 - Database Recovery Your boss has informed you that...Ch. 11 - Content Management System Updates You are...Ch. 11 - Technology in Sports You serve as an assistant...Ch. 11 - In addition to the reasons mentioned in this...Ch. 11 - What is a credit score? How can you obtain your...Ch. 11 - If you find erroneous information on your credit...Ch. 11 - What are some reasons why you might want or need...Ch. 11 - What research databases are available through your...Ch. 11 - Evaluate three research databases that you may...Ch. 11 - Have you ever lost or misplaced a device? If so,...Ch. 11 - Evaluate at least three apps that can locate and...Ch. 11 - Some devices offer a feature that allows you to...Ch. 11 - Have you ever created a file in a text editor?...

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