100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
WGU D427 DATA MANAGEMENT APPLICATIONS OA FINAL EXAM MULTIPLE CHOICE & QUERY BASED QUESTIONS ALL 250 QUESTIONS AND VERIFIED CORRECT ANSWERS LATEST 2024 $12.49
Add to cart

Exam (elaborations)

WGU D427 DATA MANAGEMENT APPLICATIONS OA FINAL EXAM MULTIPLE CHOICE & QUERY BASED QUESTIONS ALL 250 QUESTIONS AND VERIFIED CORRECT ANSWERS LATEST 2024

 0 purchase
  • Course
  • WGU D427 DATA MANAGEMENT APPLICATIONS OA
  • Institution
  • WGU D427 DATA MANAGEMENT APPLICATIONS OA

WGU D427 DATA MANAGEMENT APPLICATIONS OA FINAL EXAM MULTIPLE CHOICE & QUERY BASED QUESTIONS ALL 250 QUESTIONS AND VERIFIED CORRECT ANSWERS LATEST 2024

Preview 4 out of 45  pages

  • November 18, 2024
  • 45
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • WGU D427 DATA MANAGEMENT APPLICATIONS OA
  • WGU D427 DATA MANAGEMENT APPLICATIONS OA
avatar-seller
tivakiok
WGU D427 DATA MANAGEMENT APPLICATIONS OA FINAL EXAM MULTIPLE CHOICE &
QUERY BASED QUESTIONS ALL 250 QUESTIONS AND VERIFIED CORRECT ANSWERS
LATEST 2024

1. These operations relational algebra
are collectively
called
and are
the theoretical foun-
dation of the SQL
language. Since the
result of relational
operations is always
a table, the result of
an SQL query is also
a table.

2. Relational Algebra selects a subset of rows of a table.
operation: Select

3. Relational Algebra eliminates one or more columns of a table.
operation: Project




4. Relational Algebra lists all combinations of rows of two tables.
operation: Product *In the example, the product operation selects all
combinations of Employee (table) and Department
(table) rows




5. Relational Algebra combines two tables by comparing related columns.
operation: Join



, WGU D427 DATA MANAGEMENT APPLICATIONS OA FINAL EXAM MULTIPLE CHOICE &
QUERY BASED QUESTIONS ALL 250 QUESTIONS AND VERIFIED CORRECT ANSWERS
LATEST 2024

6. Relational Algebra selects all rows of two tables.
operation: Union

7. Relational Algebra selects rows common to two tables.
operation: Intersect

8. Relational Algebra selects rows that appear in one table but not another.
operation: Differ-
ence

9. Relational Algebra changes a table name.
operation: Rename

10. Relational Algebra computes functions over multiple table rows, such as
operation: Aggre- sum and count.
gate

11. Relational rules are constraints
implemented as SQL
and
enforced by the data-
base system.

12. Name 3 relational Unique Primary Key
rules: Unique Column Names
No duplicate rows

13. Business rules business policy
are based
on
and spe-
cific to a particular
database.

14. The mathemati- Data Type
cal term "Do-
main" is synony-
mous with what
Database term?



, WGU D427 DATA MANAGEMENT APPLICATIONS OA FINAL EXAM MULTIPLE CHOICE &
QUERY BASED QUESTIONS ALL 250 QUESTIONS AND VERIFIED CORRECT ANSWERS
LATEST 2024

15. The database term Column
"column" is synony-
mous with what File
System term?

16. What is SQL? a high-level computer language for storing, manipu-
lating, and retrieving data.

17. SQL syntax type: Lit- Explicit values that are string, numeric, or binary.
eral Strings must be surrounded by single quotes or dou-
ble quotes.Binary values are represented with x'0'
where the 0 is any hex value.




18. What is the defini- Words with special meaning. (i.e. commands)
tion of an SQL Key-
word?

19. SQL identifiers are tables, columns, etc.
objects from the
database like:

20. A statement intend- Comment
ed only for humans
and ignored by the
database when pars-
ing an SQL state-
ment., is considered
what?

21. The command: 2
INSERT INTO Stu-
dent
VALUES (888 ,


, WGU D427 DATA MANAGEMENT APPLICATIONS OA FINAL EXAM MULTIPLE CHOICE &
QUERY BASED QUESTIONS ALL 250 QUESTIONS AND VERIFIED CORRECT ANSWERS
LATEST 2024

'Smith', 'Jim', 3.0) ;
Has how many
clauses?

22. SQL Sublanguage: Defines the structure of the database.
Data Definition Lan- *The primary commands are: CREATE, ALTER,
guage (DDL) DROP, TRUNCATE, & RENAME

23. SQL Sublanguage: retrieves data from the database.
Data Query Lan- *Primary command being SELECT
guage (DQL)

24. SQL Sublanguage: manipulates data stored in a database.
Data Manipulation *The primary commands are: INSERT, UPDATE,
Language (DML) DELETE, & MERGE

25. SQL Sublanguage: controls database user access.
Data Control Lan-
guage (DCL)

26. SQL Sublanguage: manages database transactions.
Data Transaction *commits data to a database, rolls back data from a
Language (DTL) database, and creates savepoints.

27. A single executing database system instance
copy of a database
system is called
what?

28. The state- SHOW
ment provides data-
base users and
administrators with
information about
databases, the data-
base contents (ta-
bles, columns, etc.),
and server status in-
formation.

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller tivakiok. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $12.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

64302 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 15 years now

Start selling

Recently viewed by you


Exam (elaborations) ·

(0)

Solution Manual For Microeconomics 6th Edition by David Besanko, Ronald Braeutigam||ISBN NO:10,1119554845||ISBN NO:13,978-1119554844||All Chapters||Complete Guide A+

Exam (elaborations) ·

(0)

Test bank for Fundamentals of Nursing 10th Edition by Patricia A. Potter, Anne Griffin Perry, Patricia A. Stockert, Amy Hall Chapter 1-50 | Complete Guide A+

Exam (elaborations) ·

(0)

CITY MD SCRIBE WRITTEN AND PRACTICAL EXAM 2024 NEWEST ACTUAL EXAM COMPLETE 100+QUESTIONS AND CORRECT DETAILED ANSWERS (100% VERIFIED ANSWERS) |ALREADY GRADED A+

Exam (elaborations) ·

(0)

Test Bank for Kuby Immunology, 8th Edition by Jenni Punt, Sharon Stranford, Patricia Jones and Judy Owen. ISBN-10: 1464189781||All Chapters 1-20||Complete Guide A+

Package deal ·

(0)

NREMT Cognitive Exam Prep 2023 - Complete Questions and Answers - Latest Verified, Graded A+ & NREMT Exam Questions and Answers 2023 Latest Graded A+ (2023/2024)

Exam (elaborations) ·

(0)

2024/2025 ACE ASCP FINAL EXAM ACTUAL EXAM 2 LATEST VERSIONS 280 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+||BRAND NEW!!

Exam (elaborations) ·

(0)

State Farm Auto External Claim Resource Certification Exam Latest 2024 Actual Questions and Verified Answers (2024 / 2025) A+ Grade 100% Guarantee Verified by Experts

Package deal ·

(0)

ADMN 232 MIDTERM Exam Questions With 100% Verified Answers 2024/2025 & ADMN 232 FINAL ACTUAL EXAM Questions With 100% Verified Solutions 2024/2025 | Graded A+

Exam (elaborations) ·

(0)

PNR204 Exam 2 Practice Exam 2: PNR 204/ PNR204 (Latest 2024/ 2025 Update) Pediatric Nursing Review| Questions and Verified Answers|100% Correct| Grade A- Fortis

$12.49
  • (0)
Add to cart
Added