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...
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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