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Exam (elaborations)

Pre1a Questions with complete solution 2024

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  • WGU D427
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  • WGU D427

Pre1a Questions with complete solution 2024 PRE-ASSESSMENT: DATA MANAGEMENT - APPLICATIONS D Which kind of relationship is displayed in this entity-relationship diagram? One-to-one binary One-to-one unary Many-to-many binary Many-to-many unary 1. A salesperson is authorized to sell m...

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  • September 1, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • pre1a
  • WGU D427
  • WGU D427
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Academia199
Pre-Assessment Studying for OA
San Francisco, CA 94110, USA


How many attributes are present in the address fragment? - correct answer
✔4.


Each entity is considered an attribute.


-San Francisco
-CA
-94110
-USA


The Package table has the following columns:


Weight
Description
LastChangedDate
TrackingNumber


Which column should be designated the primary key for the Package table? -
correct answer ✔TrackingNumber.


This is the only option that will always have to be UNIQUE.


Which SQL command is an example of data definition language (DDL)?

, UPDATE
ALTER
SELECT
DELETE - correct answer ✔ALTER


The Member table will have the following columns:


ID
FirstName
MiddleInitial
LastName
DateOfBirth
AnnualPledge


Write a SQL statement to create the Member table - correct answer
✔CREATE TABLE Member (
ID INT UNSIGNED,
FirstName VARCHAR(100),
MiddleInitial VARCHAR(1),
LastName VARCHAR(100),
DateOfBirth DATE,
AnnualPledge DECIMAL(8, 2) UNSIGNED
);


The Rating table has the following columns:

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