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Relational Database EXAMS BUNDLE| Questions with 100% Correct Verified Answers
Relational Database EXAMS BUNDLE| Questions with 100% Correct Verified Answers
[Show more]Relational Database EXAMS BUNDLE| Questions with 100% Correct Verified Answers
[Show more]Relational Database Fundamentals Study 
Questions Solved 100% Correct 
Which of the following is true of virtual tables? - ANSWER Virtual tables are used in 
views. 
In a data model, what does integrity information describe? - ANSWER Details about 
how the data will be kept accurate 
For which of th...
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Add to cartRelational Database Fundamentals Study 
Questions Solved 100% Correct 
Which of the following is true of virtual tables? - ANSWER Virtual tables are used in 
views. 
In a data model, what does integrity information describe? - ANSWER Details about 
how the data will be kept accurate 
For which of th...
Using the BETWEEN operator, filter the invoice table to find the invoices dated between 
 and . 
Identify the third customer ID. - ANSWER 21 
Which of these SELECT statements would successfully display exactly three columns of 
data from the invoice table? - ANSWER SELECT customer_id, invoice_id, in...
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Add to cartUsing the BETWEEN operator, filter the invoice table to find the invoices dated between 
 and . 
Identify the third customer ID. - ANSWER 21 
Which of these SELECT statements would successfully display exactly three columns of 
data from the invoice table? - ANSWER SELECT customer_id, invoice_id, in...
Given the employee table and the data that it contains, and assuming that you have the 
rights to modify the table, which of the following ALTER TABLE statements would work 
without errors? - ANSWER ALTER TABLE employee ALTER COLUMN email TYPE 
TEXT; 
Given the tables provided, which of the followin...
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Add to cartGiven the employee table and the data that it contains, and assuming that you have the 
rights to modify the table, which of the following ALTER TABLE statements would work 
without errors? - ANSWER ALTER TABLE employee ALTER COLUMN email TYPE 
TEXT; 
Given the tables provided, which of the followin...
Describe the DATA Hierarchy - ANSWER Field- Attributes about an entity 
Record- Related group of fields 
File- related group of records 
Database- related group of a files 
What are the advantages of Database Systems - ANSWER Data Integration- Combined 
and accessible 
Data Sharing-easily to access ...
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Add to cartDescribe the DATA Hierarchy - ANSWER Field- Attributes about an entity 
Record- Related group of fields 
File- related group of records 
Database- related group of a files 
What are the advantages of Database Systems - ANSWER Data Integration- Combined 
and accessible 
Data Sharing-easily to access ...
What is a Relational Database? - ANSWER a collection of two or more tables that are 
joined using relationships 
a DBMS stands for - ANSWER database management system 
examples of the database - ANSWER a phone contact list, a personal diary, a 
University Students record
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Add to cartWhat is a Relational Database? - ANSWER a collection of two or more tables that are 
joined using relationships 
a DBMS stands for - ANSWER database management system 
examples of the database - ANSWER a phone contact list, a personal diary, a 
University Students record
When a table field contains a null value, that value may be understood to be ______. - 
ANSWER unknown 
A conceptual, high-level description of the structure of a database is contained in: - 
ANSWER an entity-relationship (ER) model. 
Amanda is designing a relation. As she starts to consider sample ...
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Add to cartWhen a table field contains a null value, that value may be understood to be ______. - 
ANSWER unknown 
A conceptual, high-level description of the structure of a database is contained in: - 
ANSWER an entity-relationship (ER) model. 
Amanda is designing a relation. As she starts to consider sample ...
What is an entity - ANSWER An Entity Is a Thing of Interest Within the UoD About Which 
Information May Be Collected, Manipulated, and Stored. An Entity Is a Thing That Has Real 
(Commonly Perceived) and Individual (Uniquely Identifiable) Existence. Entity and Object Used 
to Have the Same Meaning. ...
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Add to cartWhat is an entity - ANSWER An Entity Is a Thing of Interest Within the UoD About Which 
Information May Be Collected, Manipulated, and Stored. An Entity Is a Thing That Has Real 
(Commonly Perceived) and Individual (Uniquely Identifiable) Existence. Entity and Object Used 
to Have the Same Meaning. ...
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