The primary key of a relational database:
A) Must be a common identifier for all of the data within the table.
B) Must never be the first field of the table.
C) Represents a value that is used to
D) Is the password which allows unlimited access to the database.
Correct Answer:
Verified
Q70: The loss of transaction processing efficiency:
A)Is substantial
Q71: Data normalization:
A)Requires repeated groups to be deleted
Q72: Data within the data warehouse is:
A)Volatile -
Q73: Relational databases are:
A)Two-dimensional tables which can be
Q74: Which of the following is NOT one
Q76: With structured query language (SQL):
A)One-to-one relationships can
Q77: High-impact processes (HIPs) are:
A)Critical to the short-term
Q78: Select the correct statement from those provided.
A)The
Q79: In today's IT environment:
A)Processing speed is compromised
Q80: The data warehouse:
A)Contains five to ten years
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