What is a dbms - Study guides, Class notes & Summaries

What are the 3 components of IT (M1) - Hardware, Software, Users What are the 3 categories of Software (M1) - Operating Systems, Programming, Databases Define: System (M1) - A combination of independent parts all working together to accomplish a certain goal Define: Hardware Components (M1) - The structure of computers and their peripherals How does IT Support Business? (6 answers) (M1) - 1. Communication, internal and external 2. Sharing of resources 3. Facilitating integration of departm...

NTA Chapter 3 Questions and Answers 100% Pass What is a primary function of an operating system? An operating system manages hardware resources and provides a user interface for interaction with the computer. Which of the following is a valid method for data storage? Data can be stored on various media such as hard drives, SSDs, and cloud storage. What does CPU stand for in computer architecture? CPU stands for Central Processing Unit, which is the primary component responsible f...

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 Alt Practice Test Latest Update 100% Solved UPDATE tablename ***** [WHERE conditionlist]; What command replaces the ***** in the above statement? a. SET columnname = expression b. columnname = expression c. expression = columnname d. LET columnname = expression a. SET columnname = expression A record consists of a ____. a. character b. collection of related records c. set of one or more fields d. group of files c. set of one or more fields A DBMS perform...

D427 - Database Management Applications Exam Questions Schema The definition of how data in a database will be organized. - Create - Read - Update - Delete The basis of interacting with databases can be defined using the CRUD acronym. What does CRUD stand for? DATE: YYYY-MM-DD DATETIME: YYYY-MM-DD HH:MM:SS What is the DATE datatype syntax? What is the DATETIME datatype syntax? It will have 3 numbers before the decimal and 2 after. What does DECIMAL(3,2) indicate? ...

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

Computer Concepts Skill Training Module 12 with Complete Solutions What is the function of an operating system? To manage computer hardware and software resources and provide a user interface. How does file management contribute to computer efficiency? File management organizes and controls files on storage devices, improving access and retrieval. What is a database management system (DBMS) used for? To create, manage, and manipulate databases for storing and retrieving data. ...

Data Management Applications C170 What is a table? A table is a persistent representation of a logical relation that is a relation whose contents can be saved for permanent use. What are the characteristics of a relational table? The characteristics of a relational table are that a table is perceived as a two-dimensional structure composed of rows and columns, each row (tuple) represents a single entity occurrence within the set, each column represents an attribute, each column has a dis...

UPDATE tablename ***** [WHERE conditionlist]; What command replaces the ***** in the above statement? a. SET columnname = expression b. columnname = expression c. expression = columnname d. LET columnname = expression correct answers a. SET columnname = expression A record consists of a ____. a. character b. collection of related records c. set of one or more fields d. group of files correct answers c. set of one or more fields A DBMS performs several important functions tha...

The definition of how data in a database will be organized. ️ Schema The basis of interacting with databases can be defined using the CRUD acronym. What does CRUD stand for? ️ - Create - Read - Update - Delete What is the DATE datatype syntax? What is the DATETIME datatype syntax? ️ DATE: YYYY-MM-DD DATETIME: YYYY-MM-DD HH:MM:SS What does DECIMAL(3,2) indicate? ️ It will have 3 numbers before the decimal and 2 after. a series of commands stored on the database. This allows the...