Database system dbms Study guides, Class notes & Summaries

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 a...

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 - Answer-A database located at a single site. cloud database - Answer-A database that is created and maintaine...

Why Use a Database? - Answer-A database is used to help people keep track of things, and the most commonly used type of database is the relational database, although nonrelational databases (which are used extensively in online applications such as Facebook and Twitter) are now also widely used. What are the Problems with Using Lists? - Answer-making changes to this list causes ...modification problems.. Modification problem - Answer-A situation that exists when the storing of one row in a ...

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...

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...

C790 Practice Questions 1. Place the steps for the Staggers and Nelson life cycle in order from first (1) to last (4): o Implementation (3) o Analysis/planning (1) o Design/development (2) o Maintenance and support (4) 2. What describes the maintenance phase of the system development life cycle? • The system is upgraded o The system requirements are defined o The system undergoes a readiness assessment o The system user undergo education and training 3. During which phase of the sys...

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...

. The DBMS acts as an interface between what two components of an enterprise-class database system? A. Database application and the database B. Data and the database C. The user and the database application D. Database application and SQL 2. Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? A.IDMS B.DB2 C. dBase-II D.R: base 3. The following are components of a database except ________ . A. user data B. metadata C. re...

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...

Question 1 Not yet answered Marked out of 1.00 Flag question Question text What hardware is essential to create a home Wi-Fi network? A. Printer B. Router C. Monitor D. Ethernet cable Clear my choice Question 2 Not yet answered Marked out of 1.00 Flag question Question text Social networking includes the following positive effects EXCEPT _________. Select one: a. keeping in contact with others b. promoting small and local businesses c. ...