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Introduction to Database System

Introduction to Database System
In SQL, which command is used to add a column/integrity constraint to a table

MODIFY TABLE
INSERT COLUMN
ADD COLUMN
ALTER TABLE

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Introduction to Database System
Which of the following products implemented the CODASYL DBTG model?

IDMS
R:base
dBase-II
DB2

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Introduction to Database System
A report form

appears on the computer monitor during data entry
is used during report generation to format data
both (a) and (b)
All of these
None of these

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Introduction to Database System
What is the language used by most of the DBMSs for helping their users to access data?

SQL
Query language
High level language
4GL

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

All of the listed here
CREATE SCHEMA
CREATE SAME
CREATE SYNONYM

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Introduction to Database System
The model for a _____ resembles the hierarchical model in many respects.

None of these
Network database
Hierarchical database
Distributed database
Relational database

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