100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
WGU - D426: Objective Assessment NEWEST EXAM WITH 200 REVIEW QUESTIONS & CORRECT VERIFIED ANSWERS ALREADY GRADED A+/ WESTERN GOVERNORS UNIVERSITY D027 ACTUAL EXAM (LATEST $21.99   Add to cart

Exam (elaborations)

WGU - D426: Objective Assessment NEWEST EXAM WITH 200 REVIEW QUESTIONS & CORRECT VERIFIED ANSWERS ALREADY GRADED A+/ WESTERN GOVERNORS UNIVERSITY D027 ACTUAL EXAM (LATEST

 6 views  0 purchase
  • Course
  • WGU - D426: Objective Assessment 2024-2
  • Institution
  • WGU - D426: Objective Assessment 2024-2

WGU - D426: Objective Assessment NEWEST EXAM WITH 200 REVIEW QUESTIONS & CORRECT VERIFIED ANSWERS ALREADY GRADED A+/ WESTERN GOVERNORS UNIVERSITY D027 ACTUAL EXAM (LATEST

Preview 3 out of 24  pages

  • August 21, 2024
  • 24
  • 2024/2025
  • Exam (elaborations)
  • Unknown
  • WGU - D426: Objective Assessment 2024-2
  • WGU - D426: Objective Assessment 2024-2
avatar-seller
perfectnurse
WGU - D426: Objective Assessment 2024-2025 NEWEST
EXAM WITH 200 REVIEW QUESTIONS & CORRECT
VERIFIED ANSWERS ALREADY GRADED A+/
WESTERN GOVERNORS UNIVERSITY D027 ACTUAL
EXAM (LATEST)




Software that helps business users interact with database
systems. - ✔✔ANSWER✔✔-Database Application

Responsible for securing the database system against
unauthorized users. A database administrator enforces
procedures for user access and database system
availability. - ✔✔ANSWER✔✔-Database Administrator

Many database users should have limited access to
specific tables, columns, or rows of a database. Database
systems authorize individual users to access specific data.
- ✔✔ANSWER✔✔-Authorization

Database systems ensure data is consistent with
structural and business rules. - ✔✔ANSWER✔✔-Rules

,Interprets queries, creates a plan to modify the database
or retrieve data, and returns query results to the
application. Performs query optimization to ensure the
most efficient instructions are executed on the data. -
✔✔ANSWER✔✔-Query Processor

Translates the query processor instructions into low-level
file-system commands that modify or retrieve data.
Database sizes range from megabytes to many terabytes,
so the storage manager uses indexes to quickly locate
data. - ✔✔ANSWER✔✔-Storage Manager

Ensures transactions are properly executed. The
transaction manager prevents conflicts between
concurrent transactions. The transaction manager also
restores the database to a consistent state in the event of
a transaction or system failure. - ✔✔ANSWER✔✔-
Transaction Manager

Data about the database, such as column names and the
number of rows in each table. - ✔✔ANSWER✔✔-
Metadata

Stores data in tables, columns, and rows, similar to a
spreadsheet. - ✔✔ANSWER✔✔-Relational Database

All _________ ________ systems support the SQL query
language. - ✔✔ANSWER✔✔-Relational Database

, Relational systems are ideal for databases that require an
accurate record of every transaction, such as banking,
airline reservation systems, and student records. -
✔✔ANSWER✔✔-Relational Database

The newer non-relational systems are called NoSQL, for
'not only SQL', and are optimized for big data. -
✔✔ANSWER✔✔-MongoDB (NoSQL)

INSERT inserts rows into a table.
SELECT retrieves data from a table.
UPDATE modifies data in a table.
DELETE deletes rows from a table. - ✔✔ANSWER✔✔-
SQL Statements

A statement that creates a new table by specifying the
table and column names. Each column is assigned a data
type that indicates the format of column values. Data types
can be numeric, textual, or complex. - ✔✔ANSWER✔✔-
CREATE TABLE (Statement)

INT stores integer values.
DECIMAL stores fractional numeric values.
VARCHAR stores textual values.
DATE stores year, month, and day. - ✔✔ANSWER✔✔-
Data Type

Analysis
Logical design
Physical design - ✔✔ANSWER✔✔-Database Design

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 perfectnurse. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $21.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

67866 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$21.99
  • (0)
  Add to cart