Database keys Study guides, Revision notes & Summaries

INF assignment 2 CASE After graduating from university with a BTech degree in Information Systems, you are appointed as a system analyst at Logic Designs, a software development vendor. Logic Designs has been hired by E-beats_Africa, a digital marketing company that specialises in promoting and monetizing TikTok artists and their creative content. E-beats_Africa assigns talent agents1 to TikTokers to market and sell creative content. Creative content is defined as a 15 second to 3-minute recor...

ICT2621 2023 Assignment 3 solution Questions: Question 1 NB: When drawing data flow diagrams (DFDs), use the Gane and Sarson symbols/notation set. 1.1 Draw, name and describe the four symbols used in a data flow diagram (DFD). You may use a table to present your answer. (6) 1.2 Briefly describe the following with respect to DFDs: 1.2.1 Levelling(2) 1.2.2 Balancing(2) 1.2.3 Data dictionary(2)1.3 Draw a diagram of an example of each of the following showing the process, and the input(s...

WGU D426 V2 QUESTIONS AND ANSWERS WITH CERTIFIED SOLUTIONS The relationship (within the relation) that describes how the value of one attribute may be used to find the value of another attribute. Functional Dependency 3 MULTIPLE CHOICE OPTIONS An attribute that can be used to find the value of another attribute in the relation. Determinant 3 MULTIPLE CHOICE OPTIONS Value can be used to find the value of every other non-key attribute in the table. Unique and minimal. Candidate Key 3 MULTIPL...

The relationship (within the relation) that describes how the value of one attribute may be used to find the value of another attribute. Functional Dependency 3 MULTIPLE CHOICE OPTIONS An attribute that can be used to find the value of another attribute in the relation. Determinant 3 MULTIPLE CHOICE OPTIONS Value can be used to find the value of every other non-key attribute in the table. Unique and minimal. Candidate Key 3 MULTIPLE CHOICE OPTIONS Define & manage database structures DD...

CDW110v Caboodle Data Model Fundamentals 2023 Caboodle Dictionary - ANSWER-Basic metadata for tables. Find Descriptions of tables and columns available in data model. Identify tables that can be linked together. Caboodle Dictionary Editor - ANSWER-In depth view of Caboodle ETL packages and data lineage. Shows Clarity tables data that extracted from when populating tables, which ETL packages are used by Caboodle tables and dependencies amongst the tables in Caboodle. Caboodle Execution...

WGU C175 / D426 DATA MANAGEMENT FOUNDATIONS OA EXAM Questions With Verified Answers (100% Correct) Graded A+. Define: Referential Integrity - ANSWER- Requires that ALL foreign key values must either be fully NULL or match some primary key value 4 Ways Referential Integrity can be violated: - ANSWER- 1. Primary key is updated 2. Foreign key is updated 3. Row containing primary key is DELETED 4. Row containing foreign key is INSERTED 4 Actions to Correct Referential Integrity Violation: - A...

CDW110v Caboodle Data Model Fundamentals Exam Questions And Answers Latest 2024/ 2025 Graded A+ | 100% Verified!! Caboodle Dictionary Editor - Answer :In depth view of Caboodle ETL packages and data lineage. Shows Clarity tables data that extracted from when populating tables, which ETL packages are used by Caboodle tables and dependencies amongst the tables in Caboodle. Quiz :Caboodle Executions - Answer :Where Caboodle administrators can create, edit, run and monitor executions. Can be us...

DAD 220 Module 3 Major Activity Database Documentation Questions and Answers Updated 2024. Overview Complete these steps as you work through the directions for this activity. Replace the bracketed text with your screenshots and brief explanations of the work they show. Each screenshot and its explanation should be sized to approximately one quarter of the page, with the description written below the screenshot. Follow these rules for each of the prompts and questions below. Review the exam...

UTA INSY 3304 - Exam 2 - Chapter 7&9 Latest 2023 Graded A Data definition language DDL Data manipulation language DML CREAT SCHEMA AUTHORIZATION Creates a database schema CREATE TABLE Creates a new table in the user's databse schema NOT NULL Ensures that a column will not have null values UNIQUE Ensures that a column will not have duplicate values PRIMARY KEY Defines a primary key for a table FOREIGN KEY Defines a foreign key for a table DEFAULT Defines a default value for a column ( wh...

For PCI DSS requirement 1, firewall and router rule sets need to be reviewed every _____________ months 6 months Non-console administrator access to any web-based management interfaces must be encrypted with technology such as......... HTTPS Requirements 2.2.2 and 2.2.3 cover the use of secure services, protocols and daemons. Which of the following is considered to be secure? SSH, TLS, IPSEC, VPN Which of the following is considered "Sensitive Authentication Data"? Car...

First users were the engineers who built and programmed computers, then employees who had received specialized training were users, and now today, anyone and everyone can be a user. - Evolution of Users Sends files over the network at the request of clients. Responds over LAN, within one location/site. Support both application software and data files. - FILE SERVER Turns a user-friendly domain name, like G, into an Internet Protocol (IP) address like ((( 70.42.251.42 ))) that computers use...