Wgu d191 exam study guide - Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Wgu d191 exam study guide? On this page you'll find 4 study documents about Wgu d191 exam study guide.
All 4 results
Sort by
-
WGU D191 Exam Study Guide/ (Top 2024/2025 EXAM REVIEW PAPERS / GRADED A+/ 100% Accurate)
- Exam (elaborations) • 15 pages • 2023
-
Available in package deal
-
- $8.49
- + learn more
WGU D191 Exam Study Guide 
What is a one-line explanation of ETL and each subsequent step? - 
Extract, transform, load = data integration 
EXTRACT: Data from external/operational sources 
TRANSFORM: clean data into appropriate format 
LOAD: Put data into repo 
 
What are the basics of the EXTRACT step? -Connect to source systems by selecting/collecting 
data for analytical purposes within the data mart. Usually this involves consolidation. Must also convert 
data into a format that is suitable...
-
WGU D191 Exam Study Guide | Latest 2023/24 | Updated & Verified | Guaranteed Success
- Exam (elaborations) • 15 pages • 2023
-
- $15.49
- + learn more
f ETL and each subsequent step? - 
Extract, transform, load = data integration 
EXTRACT: Data from external/operational sources 
TRANSFORM: clean data into appropriate format 
LOAD: Put data into repo 

What are the basics of the EXTRACT step? - Connect to source systems by selecting/collecting 
data for analytical purposes within the data mart. Usually this involves consolidation. Must also convert 
data into a format that is suitable for transformation 

What are the basics of the TRANSFORM s...
-
WGU D191 Exam Study Guide | 335 Questions with 100% Correct Answers | Verified | Latest Update | 116 Pages
- Exam (elaborations) • 116 pages • 2023
-
- $27.49
- + learn more
Which three events can activate a trigger? - 
INSERT 
UPDATE 
DELETE 
Which operator is used in a WHERE clause when the subquery returns more than one row of 
data? - 
IN 
ALL 
ANY 
Which statement accurately describes how jobs are scheduled in PostgreSQL? - The pgAgent 
is a job scheduling agent available for PostgreSQL 
What must be completed during the extract step in the ETL process? - The first step, 
extraction, is to collect or grab data from from its source(s). The second step, transfo...
-
WGU D191 Exam Study Guide | Questions with 100% Correct Answers | Latest Update 2024 | Verified
- Exam (elaborations) • 15 pages • 2023
-
- $15.99
- + learn more
WGU D191 Exam Study Guide | Questions with 100% Correct Answers | Latest Update 2024 | Verified
Want to regain your expenses?
How much did you already spend on Stuvia? Imagine there are plenty more of you out there paying for study notes, but this time YOU are the seller. Ka-ching! Discover all about earning on Stuvia