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Data Management – Applications Questions and Correct Answers Latest Update, Graded A+
Data Management – Applications Questions and Correct Answers Latest Update, Graded A+
[Show more]Data Management – Applications Questions and Correct Answers Latest Update, Graded A+
[Show more]A salesperson is authorized to sell many products and a product can be sold by 
many salespersons. 
Which kind of binary relationship does this scenario describe? 
One-to-one 
One-to-many 
Many-to-many 
One-to-one binary 
o :## Many-to-many 
Which two examples are attributes? 
Choose 2 answers...
Preview 4 out of 31 pages
Add to cartA salesperson is authorized to sell many products and a product can be sold by 
many salespersons. 
Which kind of binary relationship does this scenario describe? 
One-to-one 
One-to-many 
Many-to-many 
One-to-one binary 
o :## Many-to-many 
Which two examples are attributes? 
Choose 2 answers...
Which command creates a database only if it does not already exist? 
o :## CREATE DATABASE IF NOT EXISTS db_name; 
SELECT PRODNUM, SUM(QUANTITY)FROM SALESPERSONWhich line, when added to 
the end of the statement, returns the total number of each kind of product by 
product number? 
o :## GROUP BY ...
Preview 2 out of 5 pages
Add to cartWhich command creates a database only if it does not already exist? 
o :## CREATE DATABASE IF NOT EXISTS db_name; 
SELECT PRODNUM, SUM(QUANTITY)FROM SALESPERSONWhich line, when added to 
the end of the statement, returns the total number of each kind of product by 
product number? 
o :## GROUP BY ...
In a relational model, _______ 
are also used to establish relationships among tables and to ensure the integrity of 
the data. 
o :## keys 
A _____ key can be described as a minimal superkey, a superkey without any 
unnecessary attributes. 
o :## candidate 
A _____ key is defined as a key that i...
Preview 3 out of 26 pages
Add to cartIn a relational model, _______ 
are also used to establish relationships among tables and to ensure the integrity of 
the data. 
o :## keys 
A _____ key can be described as a minimal superkey, a superkey without any 
unnecessary attributes. 
o :## candidate 
A _____ key is defined as a key that i...
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