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Introduction to Database System

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

ALTER INDEX
DO INDEX
None of these
MODIFY INDEX
REDEFINE INDEX

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Introduction to Database System
An identifier determines the type of relationship that an entity has.

True
False

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Introduction to Database System
In SQL, the ALTER TABLESPACE command is used

All of the listed here
to add/rename data files
to change storage characteristics
to take a tablespace online/offline

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Introduction to Database System
A compound key

both (a) and (b)
None of these
is made up a several pieces of information
uniquely identifies an item in a list
is a combination of each unique key

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Introduction to Database System
A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields.

None of these
Network
Object-Oriented
Relational
Hierarchical

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Introduction to Database System
In an Enterprise-class database system, business users interact directly with database applications that interact with the DBMS, which directly accesses the database data.

False
True

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