SophiaPretty

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About SophiaPretty

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Teaching Since: Jul 2017
Last Sign in: 305 Weeks Ago, 1 Day Ago
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  • MBA,PHD, Juris Doctor
    Strayer,Devery,Harvard University
    Mar-1995 - Mar-2002

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  • Manager Planning
    WalMart
    Mar-2001 - Feb-2009

Category > Computer Science Posted 07 Jan 2018 My Price 10.00

A Customer Resource Management

1. A Customer Resource Management (CRM) system is an example of a(n):

A. single-user database application.
B. multiuser database application.
C. e-commerce database application.
D. enterprise database application.

2. in an SQL query, which SQL keyword actually creates the query? 

A. EXISTS
B. FROM
C. SELECT
D. SET

3. When one SQL query is embedded in another SQL query, this is referred to as a: 

 A.subset.
B. join.
C.WHERE Query.
D. subquery.

4. A relation is also known as a(n): 

A. table.
B. tuple.
C.relationship.
D. attribute

 

 

5. Given the functional dependency A ? (B, C), A is a(n):

A. independent variable.
B. dependent variable.
C. determinant.
D. composite determinant.



6. Anomalies caused by functional dependencies can be eliminated by putting tables into: 
A. 1NF.
B. 2NF.
C. 3NF.
D. BCNF.

7. The occurrence of a particular entity is called an: 
A. entity class.
B. entity relationship.
C. entity instance.
D. entity attribute.

 

 

8. Each attribute of an entity becomes a(n) __________ of a table.

A. column
B. primary key
C. foreign key
D. alternate key
9. Which SQL keyword is used to add one or more rows of data to a table? 
A. DELETE
B. INSERT
C. SELECT
D. SET

 

 

10. The data model produced by reverse engineering is a(n):

A. conceptual schema.
B. internal schema.
C. dependency graph.
D. table-relationship diagram.

 

 

Answers

SophiaPretty
(5)
Status NEW Posted 07 Jan 2018 01:01 PM My Price 10.00

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