D427 PZLO Pre-assessment Multiple Choice Questions
Jeremiah
Practice questions for this set
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* The update would be rejected by the database.
Choose matching term
Which SQL command is an example of data definition language (DDL)?
O UPDATE
1 O ALTER
O SELECT
O DELETE
How would a database engine process an update that violates a RESTRICT referential integrity
constraint?
* The offending value would be set to the database default.
2
* The update would be rejected by the database.
* The offending value would be changed to NULL.
* The updated value would flow to the primary key.
Which query illustrates performing an outer join of the Movie table with a different table?
A - SELECT M. Title, A.Actor FROM Movie M, Actor A
WHERE M.ActorID = A.ID
B - SELECT M.Title, A.Actor FROM Movie M
LEFT JOIN Movie MB ON M.ID = MB.ID, Actor A
3
D427 PZLO Pre-assessment Multiple Choice Questions
C -SELECT M. Title, A.Actor FROM Movie M
1/7
, 9/11/24, 6:54 PM
D - SELECT M. Title, A.Actor FROM Movie M
INNER JOIN Actor A ON M. ActorID = A.ID
date DATE NOT NULL,
PRIMARY KEY (invoice_id),
4 Looking at the Customer and Invoice tables and the CREATE TABLE for the Invoice table with foreign
a customer if that customer is deleted.
Don't know?
Terms in this set (18)
San Francisco, CA 94110 4
USA
How many attributes are present in the
address fragment?
1
2
3
4
The Package table has the following TrackingNumber
columns:
*Weight-decimal
*Description-optional variable length string
*LastChangedDate-date
*TrackingNumber-integer
Which column should be designated the
primary key for the Package table?
Weight
Description
LastChangedDate
TrackingNumber
2/7
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