introduction to database




1).
The DBMS acts as an interface between what two components of an enterprise-class database system?
A   Database application and the database   
B   Data and the database   
C   The user and the database application   
D   Database application and SQL   
ANS: A - Database application and the database

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2).
Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM?
A   IDMS   
B   DB2   
C   dBase-II   
D   R:base   
ANS: B - DB2

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3).
The following are components of a database except ________ .
A   user data   
B   metadata   
C   reports   
D   indexes   
ANS: C - reports

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4).
An application where only one user accesses the database at a given time is an example of a(n) ________ .
A   single-user database application   
B   multiuser database application   
C   e-commerce database application   
D   data mining database application   
ANS: A - single-user database application

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5).
An on-line commercial site such as Amazon.com is an example of a(n) ________ .
A   single-user database application   
B   multiuser database application   
C   e-commerce database application   
D   data mining database application   
ANS: C - e-commerce database application

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6).
Which of the following products was the first to implement true relational algebra in a PC DBMS?
A   IDMS   
B   Oracle   
C   dBase-II   
D   R:base   
ANS: D - R:base

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7).
SQL stands for ________ .
A   Structured Query Language   
B   Sequential Query Language   
C   Structured Question Language   
D   Sequential Question Language   
ANS: A - Structured Query Language

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8).
Because it contains a description of its own structure, a database is considered to be ________ .
A   described   
B   metadata compatible   
C   self-describing   
D   an application program   
ANS: C - self-describing

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9).
The following are functions of a DBMS except ________ .
A   creating and processing forms   
B   creating databases   
C   processing data   
D   administrating databases   
ANS: A - creating and processing forms

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10).
Helping people keep track of things is the purpose of a(n) ________ 
A   database   
B   table   
C   instance   
D   relationship   
ANS: A - database

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