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Introduction to Database System

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

CREATE SYNONYM
CREATE SAME
All of the listed here
CREATE SCHEMA

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Introduction to Database System
In SQL, the _____ command is used to recompile a view

ALTER VIEW
COMPILE VIEW
None of these
CREATE VIEW
DEFINE VIEW

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Introduction to Database System
Long-range planning report produced in an MIS are primarily designed for

middle management
top management
lower management
None of these
All of these

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Introduction to Database System
The way a particular application views the data from the data base that the application uses is a :

relational model
module
schema
None of these
subschema

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Introduction to Database System
Entity instances are associated by relationship classes.

True
False

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Introduction to Database System
The relational model uses some unfamiliar terminology. A tuple is equivalent to a

data item
record
field
data base

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