Question

Question 11

1. A table is in _____ if it does not contain a repeating group.

   	a.	fourth normal form
   	b.	second normal form
   	c.	first normal form
   	d.	third normal form

1 points

Question 12

1. One type of validity check, called _____, is a set of rules that avoids data inconsistency and quality problems.

   	a.	combinatorial integrity
   	b.	candidate integrity
   	c.	foreign integrity
   	d.	referential integrity

1 points

Question 13

1. A common method of cardinality notation is called _____ because of the shapes, which include circles, bars, and symbols that indicate various possibilities.

   	a.	hash topology notation
   	b.	crow's foot notation
   	c.	dark resistor’s notation
   	d.	big O notation

1 points

Question 14

1. A _____, which is a framework for organizing, storing, and managing data, consists of files or tables that interact in various ways.

   	a.	data roster
   	b.	data structure
   	c.	data log
   	d.	data object

1 points

Question 15

1. _____ is strictly hardware related because it involves the process of reading and writing binary data to physical media, such as a hard drive, CD/DVD, or network-based storage device.

   	a.	Logical storage
   	b.	Simulated storage
   	c.	Virtual storage
   	d.	Physical storage

1 points

Question 16

1. The data mining technique that relies on association rule learning is often called _____.

   	a.	simulated analysis
   	b.	virtual storage analysis
   	c.	strategy-oriented analysis
   	d.	market basket analysis

1 points

Question 17

1. A(n) _____ is a graphical model of an information system that depicts the logical relationships and interaction among system entities.

   	a.	data chart
   	b.	illustration flow chart
   	c.	entity-relationship diagram (ERD)
   	d.	query relationship diagram (QRD)

1 points

Question 18

1. Typically, a database management system is managed by a person called a _____, who assesses overall requirements and maintains the database for the benefit of an entire organization rather than a single department or user.

   	a.	database administrator
   	b.	big data analyst
   	c.	business intelligence analyst
   	d.	database consumer

1 points

Question 19

1. _____ use a keyword to encode a number.

   	a.	Cipher codes
   	b.	Identifier codes
   	c.	Action codes
   	d.	Associative codes

1 points

Question 20

1. _____ is an integrated collection of data that can include seemingly unrelated information, no matter where it is stored in the company.

   	a.	A data warehouse
   	b.	Pseudo-data
   	c.	A data frame
   	d.	Metadata

Answer 1

11. The correct option is c. First normal form

12. The correct option is D. referential integrity

13. The correct option is b. crow's foot notation

14. The correct option is b. Data structures

15. The correct option is D. Physical storage

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