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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 SCHEMA
CREATE SYNONYM
All of the listed here
CREATE SAME

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

DEFINE VIEW
ALTER VIEW
None of these
CREATE VIEW
COMPILE VIEW

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Introduction to Database System
Which type of entity represents an actual occurrence of an associated generalized entity?

Supertype entity
Subtype entity
Archetype entity
Instance entity

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Introduction to Database System
A _____ means that one record in a particular record type is related to only one record of another record type.

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

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Introduction to Database System
The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types.

Database
Table
Flat file
None of these
Data structure

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Introduction to Database System
SQL stands for ________ .

Structured Query Language
Structured Question Language
Sequential Question Language
Sequential Query Language

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