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Introduction to Database System

Introduction to Database System
A command that lets you change one or more fields in a record is

All of these
Insert
None of these
Look-up
Modify

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Introduction to Database System
A file produced by a spreadsheet

is generally stored on disk in an ASCII text format
all of the listed here
can be used for graphic
can be used as it by the DBMS

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Introduction to Database System
Each of data files has a _____ that describe the way the data is stored in the file.

Fields
File structure
Records
Database

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Introduction to Database System
Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM?

IDMS
DB2
dBase-II
R:base

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Introduction to Database System
In SQL, which command is used to remove a stored function from the database?

None of these
ERASE FUNCTION
REMOVE FUNCTION
DELETE FUNCTION
DROP FUNCTION

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Introduction to Database System
The data dictionary tells the DBMS

what files are in the database
what attribute are possessed by the data
what these files contain
All of the listed here

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