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Introduction to Database System

Introduction to Database System
Which of the following is a type of DBMS software?

query language
utilities
database manipulation language
All of these
report writer

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Introduction to Database System
In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity.

parent
instance
child
subtype

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Introduction to Database System
Relationship classes are associations between entity classes.

True
False

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Introduction to Database System
A subtype entity is a special case of another entity called a supertype entity.

True
False

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Introduction to Database System
Which command is used to select distinct subject (SUB) from the table (BOOK)?

All of these
SELECT ALL FROM BOOK
SELECT DISTINCT SUB FROM BOOK
SELECT SUB FROM BOOK
None of these

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

MODIFY TABLE
ADD COLUMN
INSERT COLUMN
ALTER TABLE

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