N5 DDD Validation - Keys - Database Types
Quiz
•
Computers
•
10th Grade
•
Practice Problem
•
Medium
Tracy Mutter
Used 1+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a calculated field?
a field that only contains text data
a static value that does not change.
a field that stores images or files
a field that uses a formula based on other fields
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of the following are types of validation in a database?
data check
length check
presentce check
range check
3.
MATCH QUESTION
1 min • 1 pt
Match the following
checks if a required value is present
restricted choice
ensures the length of a value meets specified criteria
presence check
validates if a value falls within a specified range
range check
limits the selection to predefined options
length check
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A relational database has a single table?
True
False
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A flat file database has a primary key?
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reatinal databases tables are linked with a foreign key?
foreign keys are only flat file databases
primary keys are used to link tables in relational databases
relational database tables are linked with a foreign key.
relational databases do not use foreign keys.
7.
MATCH QUESTION
1 min • 1 pt
Match the following
links two tables together
relational database
ensures sensible data stored
foreign key
stores data in multiple related tables
flat file database
stores data in a single table
validation
a unique identifier for a record
primary key
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