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Introduction to Database System

Introduction to Database System
A database management system might consist of application programs and a software package called

FORTRAN
TOTAL
AUTOFLOW
BPL

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Introduction to Database System
In SQL, which command(s) is(are) used to redefine an index's future storage allocation

MODIFY INDEX
ALTER INDEX
None of these
DO INDEX
REDEFINE INDEX

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Introduction to Database System
Data encryption techniques are particularly useful for

None of these
All of these
protecting data in data communication systems
reducing storage space requirements
improving data integrity

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Introduction to Database System
Because it contains a description of its own structure, a database is considered to be ________ .

metadata compatible
an application program
described
self-describing

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Introduction to Database System
The language used in application programs to request data from the DBMS is referred to as the

All of the listed here
query language
DDL
DML

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Introduction to Database System
Properties that describe the characteristics of entities are called:

identifiers.
relationships.
attributes.
entities.

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