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Introduction to Database System

Introduction to Database System
A top-to-bottom relationship among the items in a database is established by a

Hierarchical schema
All of the listed here
Relational schema
Network schema

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Introduction to Database System
A file produced by a spreadsheet

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

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Introduction to Database System
Helping people keep track of things is the purpose of a(n) ________ .

instance
database
table
relationship

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Introduction to Database System
A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa.

Many-to-one relationship
None of these
One-to-many relationship
Many-to-many relationship
One-to-one relationship

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Introduction to Database System
A number of related records that are treated as a unit is called

batch
data
file
field

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Introduction to Database System
In SQL, which command(s) is(are) used to create a synonym for a schema object?

CREATE SYNONYM
CREATE SAME
CREATE SCHEMA
All of the listed here

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