G 17 questions were answered correctly.
5 questions were answered incorrectly.
1
What is the term related to a specific implementation of ANSI
SQL by a vendor?
T-SQL
Dialect
Version
Implementation
RATIONALE
The implementation of ANSI SQL by a vendor is called a SQL
dialect.
CONCEPT
-> Using ANSI SQL
Report an issue with this question
, 2
Which of the following ALTER TABLE features is NOT available
in SQLite?
ADD CONSTRAINT
RENAME TABLE
RENAME COLUMN
ADD COLUMN
O
RATIONALE
In SQLite, only the RENAME TABLE, ADD COLUMN, and RENAME
COLUMN variants are supported. The other ALTER TABLE
operations like DROP COLUMN, ALTER COLUMN, and ADD
CONSTRAINT are not supported.
CONCEPT
-> Using SQLite
Report an issue with this question
3
In each milestone, you may want or need to use the database
and query tool to answer some of the questions. We suggest you
open the tool in another browser tab while you are working on
this assessment.
https://postgres.sophia. org/
In the context of a database, what is knowledge?
, Raw facts of interest to the end
o user
A process that focuses on data
O collection, storage, and retrieval
A body of information and facts
© o about a specific topic
A computer structure that holds a
collection of related data
RATIONALE
Knowledge is the body of information and facts about a specific
topic. Knowledge implies the understanding of the information.
CONCEPT
-> Database Purpose
Report an issue with this question
4 ©
In each milestone, you may want or need to use the database
and query tool to answer some of the questions. We suggest you
open the tool in another browser tab while you are working on
this assessment.
https://postgres.sophia. org/
What is the best example of a scenario in which a new database
should be created to support the business?