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D426 Alt Practice Test with correct answers Latest Update 2024
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D426 Alt Practice Test with correctanswers Latest Update 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
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?
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,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:
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?
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, 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"?
a. 1:M
b. 1:1
c. M:1
d. M:N - answer-. 1:M or One-to-Many
The entity integrity rule requires that ____.
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