WGU CERTIFICATION DATA-MANAGEMENT-FOUNDATIONS EXAM QUESTIONS AND ANSWERS COME OUT

WGU certification Data-Management-Foundations exam questions and answers come out

WGU certification Data-Management-Foundations exam questions and answers come out

Blog Article

Tags: Valid Data-Management-Foundations Test Review, Data-Management-Foundations Instant Download, Data-Management-Foundations Actual Exams, New Data-Management-Foundations Study Guide, Data-Management-Foundations Latest Exam Discount

As we all know, if everyone keeps doing one thing for a long time, as time goes on, people's attention will go from rising to falling. Experiments have shown that this is scientifically based and that our attention can only play the best role in a single period of time. The Data-Management-Foundations test material is professional editorial team, each test product layout and content of proofreading are conducted by experienced professionals who have many years of rich teaching experiences, so by the editor of fine typesetting and strict check, the latest Data-Management-Foundations Exam Torrent is presented to each user's page is refreshing, but also ensures the accuracy of all kinds of learning materials is extremely high.

For some candidates who are caring about the protection of the privacy, our Data-Management-Foundations exam materials will be your best choice. We respect the personal information of our customers. If you buy Data-Management-Foundations exam materials from us, we can ensure you that your personal information, such as the name and email address will be protected well. Once the order finishes, your personal information will be concealed. In addition, we are pass guarantee and money back guarantee. If you fail to pass the exam after buying Data-Management-Foundations Exam Dumps from us, we will refund your money.

>> Valid Data-Management-Foundations Test Review <<

Pass Guaranteed WGU - Valid Valid Data-Management-Foundations Test Review

Studying from an updated practice material is necessary to get success in the WGU Data-Management-Foundations certification test on the first try. If you don't adopt this strategy, you will not be able to clear the WGU Data Management – Foundations Exam (Data-Management-Foundations) examination. Failure in the WGU Data Management – Foundations Exam (Data-Management-Foundations) test will lead to loss of confidence, time, and money. Don't worry because "2Pass4sure" is here to save you from these losses with its updated and real WGU Data-Management-Foundations exam questions.

WGU Data Management – Foundations Exam Sample Questions (Q46-Q51):

NEW QUESTION # 46
Which database operation locates the needed table blocks?

  • A. Binary search
  • B. Fan-out
  • C. Table scan
  • D. Index scan

Answer: D

Explanation:
Anindex scanis a database operation thatquickly locates table blocksusing anindexrather than scanning the entire table. It significantly improves query performance.
Example Usage:
sql
SELECT * FROM Employees WHERE EmployeeID = 105;
* If EmployeeID isindexed, the database uses anindex scantoquickly find the record.
Why Other Options Are Incorrect:
* Option A (Binary search) (Incorrect):A searching algorithm, but not a database operation.
* Option B (Table scan) (Incorrect):Scans theentire table, which isslowerthan an index scan.
* Option C (Fan-out) (Incorrect):Refers tobranching in B-Treesbut doesnot locate table blocks directly.
Thus, the correct answer isIndex scan, as it efficiently locates table blocks.


NEW QUESTION # 47
Which clause from a SELECT statement immediately accompanies the SELECT clause in MySQL?

  • A. WHERE
  • B. VALUE
  • C. FROM
  • D. TABLE

Answer: C

Explanation:
InSQL syntax, the FROM clause is the first clause that follows SELECT. It specifies the table(s) from which the data will be retrieved.
Example:
sql
SELECT name, salary FROM Employees;
* Option A (Correct):The FROM clauseimmediately followsthe SELECT clause in MySQL.
* Option B (Incorrect):VALUE is not a valid clause in MySQL SELECT statements.
* Option C (Incorrect):WHERE is used to filter recordsafter specifying the table in FROM.
* Option D (Incorrect):TABLE is not a valid clause following SELECT in SQL.


NEW QUESTION # 48
What is the role of the transaction manager within the database system architecture?

  • A. The transaction manager logs insert, update, and delete queries, and the result is sent back to the application.
  • B. The transaction manager translates the query processor instructions into filesystem commands and uses an index to quickly locate the requested data.
  • C. The transaction manager is composed of a query processor, storage manager, transaction manager, log, and catalog.
  • D. The transaction manager uses information from the catalog to perform query optimization.

Answer: A

Explanation:
ATransaction ManagerensuresACID (Atomicity, Consistency, Isolation, Durability)properties in database transactions. It manages concurrent transactions, ensuring no conflicts occur and logs modifications to support recovery mechanisms.
* Option A (Incorrect):Query optimization is managed by thequery processor, not the transaction manager.
* Option B (Incorrect):The transaction manager is a component of the database architecture but is not composed of the entire system (query processor, storage manager, etc.).
* Option C (Correct):The transaction manager logs transactions like INSERT, UPDATE, and DELETE, ensuring consistency and recoverability.
* Option D (Incorrect):Thestorage manageris responsible for translating queries into filesystem commands.


NEW QUESTION # 49
Which expression can be used to create a temporary name for a table?

  • A. NEW
  • B. HAVING
  • C. ALIAS
  • D. UNION

Answer: C

Explanation:
Analiasis used in SQL to give atemporaryname to a table or column within a query. It makes queries more readable and helps in cases where a table needs to be referenced multiple times (e.g., in aself-join).
Example Usage:
sql
SELECT e.Name, d.DepartmentName
FROM Employees AS e
JOIN Departments AS d
ON e.DeptID = d.ID;
* Here,Employees is aliased as eandDepartments as d, making the query shorter and clearer.
Why Other Options Are Incorrect:
* Option A (HAVING) (Incorrect):Used to filter grouped results, not create aliases.
* Option B (NEW) (Incorrect):Not a valid SQL keyword for aliasing.
* Option D (UNION) (Incorrect):Combines result sets but does not rename tables.
Thus, the correct answer isALIAS, which allows fortemporary naming of tables or columns.


NEW QUESTION # 50
Which property of an entity can become a column in a table?

  • A. Uniqueness
  • B. Modality
  • C. Non-null values
  • D. Attribute

Answer: D

Explanation:
Indatabase design,attributesof an entity becomecolumnsin a relational table.
Example Usage:
For anEmployee entity, attributes might include:

CREATE TABLE Employees (
EmployeeID INT PRIMARY KEY,
Name VARCHAR(50),
Salary DECIMAL(10,2),
DepartmentID INT
);
* Eachattribute(e.g., Name, Salary) becomes acolumnin the table.
Why Other Options Are Incorrect:
* Option A (Modality) (Incorrect):Describesoptional vs. mandatoryrelationships, not table structure.
* Option B (Uniqueness) (Incorrect):Ensuresdistinct valuesbutis not a column property.
* Option D (Non-null values) (Incorrect):Ensures thatcolumns must contain databut doesnot define attributes.
Thus, the correct answer isAttribute, as attributes of entities becometable columns.


NEW QUESTION # 51
......

In order to help customers solve problems, our company always insist on putting them first and providing valued service. We deeply believe that our Data-Management-Foundations question torrent will help you pass the exam and get your certification successfully in a short time. Maybe you cannot wait to understand our Data-Management-Foundations Guide questions; we can promise that our products have a higher quality when compared with other study materials. At the moment I am willing to show our Data-Management-Foundations guide torrents to you, and I can make a bet that you will be fond of our products if you understand it.

Data-Management-Foundations Instant Download: https://www.2pass4sure.com/Courses-and-Certificates/Data-Management-Foundations-actual-exam-braindumps.html

Our Data-Management-Foundations quiz torrent can help you get out of trouble regain confidence and embrace a better life, We have hired these Data-Management-Foundations exam professionals to ensure the top quality of our product, After your understanding of our reliability, I believe you will quickly add 2Pass4sure Data-Management-Foundations Instant Download's products to your cart, They tried their best to design the best Data-Management-Foundations certification training materials from our company for all people.

national basketball team that finished sixth in the World Championships, Using Your iPod in the Car, Our Data-Management-Foundations Quiz torrent can help you get out of trouble regain confidence and embrace a better life.

Data-Management-Foundations exam dumps

We have hired these Data-Management-Foundations exam professionals to ensure the top quality of our product, After your understanding of our reliability, I believe you will quickly add 2Pass4sure's products to your cart.

They tried their best to design the best Data-Management-Foundations certification training materials from our company for all people, Their contents are sorted out by professional experts who dedicated in this area for many years.

Report this page