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Introduction to Database System

Introduction to Database System
A database management system might consist of application programs and a software package called

AUTOFLOW
BPL
TOTAL
FORTRAN

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Introduction to Database System
If a piece of data is stored in two places in the database, then

None of these
it can be more easily accessed
changing the data is one spot will cause data inconsistency
both (a) and (b)
storage space is wasted

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Introduction to Database System
In a database, data is stored in spreadsheets which have rows and columns.

True
False

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Introduction to Database System
Which command is used to remove an index from the database in SQL?

ROLL BACK INDEX
REMOVE INDEX
DROP INDEX
DELETE INDEX

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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.

subtype
parent
instance
child

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Introduction to Database System
A database has data and relationships.

True
False

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