D426 Alt Practice Test Question Containing 54 terms with Definitive Solutions 2024.

D426 Alt Practice Test




D426 Alt Practice Test Question
Containing 54 terms with Definitive
Solutions 2024.
UPDATE tablename
*****
[WHERE conditionlist];
What command replaces the ***** in the above statement?


a. SET columnname = expression
b. columnname = expression
c. expression = columnname
d. LET columnname = expression - Answer: a. SET columnname = expression

, D426 Alt Practice Test


A record consists of a ____.


a. character
b. collection of related records
c. set of one or more fields
d. group of files - Answer: c. set of one or more fields


A DBMS performs several important functions that guarantee the integrity and
consistency of the data in the database. Which of the following is NOT one of
those functions?


a. Data integrity management
b. Data storage management
c. Data reports
d. Security management - Answer: c. data reports


Which item is unstructured data.


a. A record representing one student
b. A video
c. A table that holds student data
d. A relational database that hold course registration data. - Answer: b. a video


Data is/are:

, D426 Alt Practice Test


a. information
b. raw facts
c. processed information
d. a DBMS - Answer: b. raw facts


A pet owner can have many pets; a specific pet is linked to one pet owner.


Which kind of binary relationship is described in this example?


a. One-to-one
b. One-to-many
c. Many-to-many
d. Associative - Answer: a. one-to-many


Database models were developed to ____.


a. model real-world events or conditions
b. deposit data within a single file
c. keep data within multiple data repositories
d. allow DBMSs to maintain loose control over the database activities - Answer: a.
model real-world events or conditions


What type of relationship is expressed with the phrase "A Painter paints one or
more Paintings"?