WGU D427 DATA MANAGEMENT APPLICATIONS OA AND PRE ASSESSMENT TEST 2025/2026 COMPLETE ACTUAL TEST QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) NEWEST UPDATED VERSION |GUARANTEED PASS A+

WGU D427 DATA MANAGEMENT APPLICATIONS OA AND
PRE ASSESSMENT TEST 2025/2026 COMPLETE ACTUAL
TEST QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) NEWEST UPDATED VERSION
|GUARANTEED PASS A+



Which query illustrates performing an outer join of the
Movie table with a different table?


- SELECT Mettle, A. Actor FROM Movie M, Actor A


WHERE M. ActorID = A.ID


- SELECT Mettle, A. Actor FROM Movie M


LEFT JOIN Movie MB ON M.ID, Actor A


- SELECT Mettle, A. Actor FROM Movie M


RIGHT JOIN Actor A ON M. ActorID = Aid


- SELECT Mettle, A. Actor FROM Movie M

,INNER JOIN Actor A ON M. ActorID = A.ID


SELECT Mettle, A. Actor FROM Movie M
Answer- LEFT JOIN Movie MB ON M.ID Actor A



Assume there are two tables, A and B.


Which rows will always be included in the result set if
Table A is inner joined with Table B?


- Only rows in Tables A and B that share the join
condition


- all rows in Table B


- All rows in Table A

,Answer- Only rows in Tables A and B that do not share
the join condition


Only rows in Table A and B that share the join condition



1. Portland, OR 97212
How many attributes are present in the address fragment?


-1
-2
-3
-4
Answer- 3



2. The Patient table has the following columns:


first name varchar (20)
last name varchar (30)

, birthdate date
patient_id in


Which column should be designated as the primary key
for the Patient table?


- first name
- last name
- birthdate
- patient_id
Answer- patient_id



3. The Exam table has the following columns:
exam_id in
exam date date
exam reason varchar (100)
patient number in