Database system dbms Study guides, Class notes & Summaries

One disadvantage of the DBMS is that it increases the risk of data security breaches. - Answer- False Accurate, relevant, and timely information is the key to____. - Answer- good decision making _____ relates to the activities that make the database execute transactions more efficiently in terms of storage and access speed. - Answer- Performance tuning The response of the DBMS to a query is the ______. - Answer- query result set Field refers to a collection of related records. - Answ...

File-based system correct answers A collection of application programs that perform services for the end-users, such as the production of reports. Each program defines and manages its own data. Each program defines and manages its own data Limitations of File-Based Approach correct answers -Separation and isolation of data -duplication of data -data dependence -incompatible file formats -fixed queries/proliferation of application programs. Database Approach correct answers Arose be...

data Numeric, textual, visual, or audio information that describes real-world systems scope, format, and access 3 ways data can vary scope the amount of data produced and collected format describes that data may be produced as numbers, text, image, audio, or video access describes that some data sets may be private while others are made publicly available analog historically, most data was ____, encoded as continuous variations on various physical media digita...

WGU D075 OA 2024 ACTUAL OBJECTIVE ASSESSMENT EXAM WITH 100 QUESTIONS AND CORRECT VERIFIED ANSWERS/ WGU D075 OA INFORMATION TECHNOLOGY MANAGEMENT ESSENTIALS REAL EXAM (BRAND NEW!!) Computer system administrators protect the organization when they require strong passwords to connect to the server, enact policies for safe internet browsing, and install malware-protection software to keep unwanted users and viruses out. Which term is used to describe this set of practices? *Software prote...

A​ ________ is the smallest component in the computer system data hierarchy. A. field B. record C. file D. bit E. byte D. bit A​ ________ is a component in the computer system data hierarchy that includes content such as Student ID​ 100, Course IS​ 101, and Grade A. A. record B. byte C. bit D. field E. file D. field A​ ________ is a component in the computer system data hierarchy that consists of multiple records of the same type. A. bit B. rec...

ad hoc query - Answer-A "spur-of-the-moment" question analytical database - Answer-A database focused primarily on storing historical data and business metrics used for tactical or strategic decision making availability - Answer-In the context of data security, it refers to the accessibility of data whenever required by authorized users and for authorized purposes centralized database - Answer-A database located at a single site cloud database - Answer-A database that is created and main...

WGU - D426|A+ Graded Questions with Complete Answers Data Data is numeric, textual, visual or audio information that describes real-world systems. Analog Historically, data was mostly analog, encoded as continuous variations on various physical media digital today, data is mostly digital, encoded as zeros and ones on electronic and magnetic medai Database a collection of data in a structured format database system also known as DBMS, is software that reads and writes da...

Data correct answers Recorded facts and figures Information correct answers Knowledge derived from data What are the components of a database system? correct answers Users Database application DBMS Database What are the components of a Database System with SQL correct answers Users Database Application SQL DBMS Database What do databases do? correct answers 1. Records Data What do database applications do? correct answers Generates information What is an example of a da...

ad hoc query A "spur-of-the-moment" question analytical database A database focused primarily on storing historical data and business metrics used for tactical or strategic decision making availability In the context of data security, it refers to the accessibility of data whenever required by authorized users and for authorized purposes centralized database A database located at a single site cloud database A database that is created and maintained using cloud services, such as Microso...

Data Management Foundations Latest Update Graded A+ file structure the format that data is arranged and stored in a file. flat files Files having no internal hierarchy heap files Files containing an unsorted set of records that are uniquely identified by a record id which allows them to be inserted or deleted using that id. index files Files containing an unsorted set of records that are uniquely identified by a record id which allows them to be inserted or deleted using that id...