(Dec-2025) Latest Data-Management-Foundations Dumps for Success in Actual WGU Certified [Q24-Q44]

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(Dec-2025) Latest Data-Management-Foundations Dumps for Success in Actual WGU Certified

Changing the Concept of Data-Management-Foundations Exam Preparation 2025

Q24. What is the last step in the logical design process for designing a database?

Analyze data requirements

Apply a normal form

Determine cardinality

Discover entities

Q25. Which optional clause is used to reject inserts and updates that do not satisfy the WHERE clause of a view query?

WITH CHECK OPTION

JOIN VIEWS

MATERIALIZED VIEW

BASE TABLE

Q26. How can a primary key constraint be added after the table is created?

By using an ALTER clause

By using the CREATE TABLE statement

By using an UPDATE clause

By using an INSERT INTO clause

Q27. Which operation finds an entry containing a search value by repeatedly splitting the index in two?

Table scan

Binary search

Index scan

Fan-out

Q28. Which type of join is demonstrated by the following query?
sql
SELECT *
FROM Make, Model
WHERE Make.ModelID = Model.ID;

NON-EQUIJOIN

SELF JOIN

EQUIJOIN

CROSS JOIN

Q29. What is the role of the transaction manager within the database system architecture?

The transaction manager uses information from the catalog to perform query optimization.

The transaction manager is composed of a query processor, storage manager, transaction manager, log, and catalog.

The transaction manager logs insert, update, and delete queries, and the result is sent back to the application.

The transaction manager translates the query processor instructions into filesystem commands and uses an index to quickly locate the requested data.

Q30. Which statement uses valid syntax for the DELETE statement in SQL?

DELETE table_name WHERE condition;

DELETE FROM table_name WHERE condition;

DELETE FROM table_name;

DELETE * FROM table_name WHERE condition;

Q31. What is the role of the database administrator?

The database administrator is a consumer of data in a database.

The database administrator is responsible for securing the database system against unauthorized users.

The database administrator determines the format of each data element and the overall database structure.

The database administrator develops computer programs that utilize a database.

Q32. Which keyword can be used to combine two results into one table?

UNION

MERGE

INTEGRATE

CONSOLIDATE

Q33. Which relationship exists between occurrences of the same entity types?

Modality

Unary

Cardinality

Binary

Q34. Which description defines a data type?

It is a named set of values.

It is an unnamed tuple of values.

It has values corresponding to columns.

It has a name and a varying set of rows.

Q35. Which database operation locates the needed table blocks?

Binary search

Table scan

Fan-out

Index scan

Q36. Which designation is an individual value, such as a salary?

Glossary

Entity type

Attribute type

Relationship

Q37. Where does a primary key traditionally appear in a table?

In the table header

In the first column

In the top row

In the last visible column

Q38. What is a common error made while inserting an automatically incrementing primary key?

Inserting a value and overriding auto-increment for a primary key

Failing to set a numeric value in a newly inserted row

Designating multiple primary keys

Forgetting to specify which is the auto-increment column

Q39. Which action does the % operator accomplish in MySQL?

Raises a numeric value to the power of another

Compares two numeric values for equality

Divides two numeric values and returns the remainder

Subtracts a numeric value from another

Q40. Which term refers to a path from a top-level block to a bottom-level block?

Fan-out

Crow’s foot

Branch

Sparse index

Q41. Which operator defines the field that the index is using in a CREATE TABLE statement?

UNIQUE

CHECK

Q42. Which relationship is shown in the following diagram?

Many-to-many

Associative entity

Unary relationship

Intersection data

Q43. Which statement is associated with two separate entities?

Reflexive relationship

Entity type

Relationship

Attribute

Q44. Which function is considered an aggregate function?

MAX

TRIM

ABS

DESC

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