What is etl - Study guides, Class notes & Summaries

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...

CLR110 CLARITY DATA MODEL FUNDAMENTALS EXAMQUESTIONS AND VERIFIED COMPLETE WELL EXPLAINED ANSWERS WITH RATIONALES 100% CORRECT VERIFIED BY EXPERTS LATEST UPDATE 2024 GRADED A+ GUARANTEED SUCCESS AFTER DOWNLOAD (ALL YOU NEED TO PASS YOUR EXAMS Compared to views, derived tables generally take less time to run because the data has been stored on the DB True, views are saved queries, their use can affect performance. Derived tables are stored procedures and thus perform better After receiving...

CLR110 CLARITY DATA MODEL FUNDAMENTALS EXAM CLR110 CLARITY DATA MODEL FUNDAMENTALS EXAM WITH GUARANTEED ACCURATE ANSWERS|VERIFIED Compared to views, derived tables generally take less time to run because the data has been stored on the DB - Accurate AnswerTrue, views are saved queries, their use can affect performance. Derived tables are stored procedures and thus perform better. Which tools can be used to learn more about Clarity tables and columns? - Accurate AnswerAnalytics catalog ...

CLR110 Clarity Data Model Quiz (Questions and Answers) 100% A+ Graded For Excel A Chronicles item can store one or more options from a limited list. Which of the following could account for this behavior? (Choose all that apply) A. Single Response B. Multiple Response C. Networked D. Overtime E. No-Add F. Category - CORRECT ANSWER-1. B, C and F. If a Chronicles item can store one or more options it is a multiple response item. If the options come from a limited list, that item may be a ...

Successful first projects deliver results that are: - Quick, with a short time-to-impact reducing the likelihood of losing momentum - Measurable, giving leaders the confidence to approve further projects - Contagious, with a compelling solution triggering rapid user adoption Prioritize Project Opportunities dummy slide Project Factors- Project complications 1. Extensive Data ETL 2. Complex Data Visualization Across Systems 3. Complex Data Manipulation 4. Backend Process Man...

Which of the following parameter adjustments reduce the overall SNR in an MR image? correct answersA Decrease in TR Reduction in Pixel Size Decrease in FOV Increase (widening) of the receiver Bandwidth Decrease in NEX Increased #ETL ~all reduce SNR ~ Gradient slew rate is the rate of speed of ascent or descent of a gradient from zero to its __________ amplitude correct answers(to its) maximum (amplitude) FORMULA: Calculate the PIXEL area for the following sequence: TR 4000, TE 120, ...

WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM Questions With Verified Answers 2024/2025 (Graded A+) What does modality refer to? How does it appear on ER diagram? - ANSWERRefers to the MINIMUM number of times an instance in one entity can be associated with instance of another entity (minima) Appears as a 0 or 1 on the relationship line, next to cardinality Define: Referential Integrity - ANSWER- Requires that ALL foreign key values must either be fully NULL or match some primary key val...

What is a broad definition of data? Raw facts that are captured on printed or digital media What are data? Facts that are collected and stored in a database system What is a determining characteristic of unstructured data? It does not follow a data model. Which is true about flat files? They contain no internal hierarchical organization. Which technology has no internal hierarchy? Flat files How were data retrieved before database management systems? Sequ...

WGU D204 EXAM 2024 WITH 100% CORRECT ANSWERS Which of these is NOT a topic of interest for Discovery/Planning/Business Understanding? A. Project Scope B. Identify stakeholders and research questions/KPIs C. Build a data pipeline (ETL) D. Identify timeline, budget, and participants - correct answer C What is a potential problem to consider in the planning phase? A. Lack of clear focus on stakeholders, timeline, limitations, and budget B. Quality and type of data may make access more...

In an agile approach of analytics, what is the first step of the process? Perform data discovery Perform business discovery Score and deploy Model data - CORRECT ANSWER-Perform business discovery In an ETL process, data is loaded into a final target database such as: Operational dashboard Public database Social media database Data warehouse - CORRECT ANSWER-Data warehouse What are the four types of data analytical method? Descriptive, explanatory, predictive and prescriptive Criti...