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Introduction to Database System

Introduction to Database System
After you _____ a record, many data management the environments require you to issue a command to save the changes you made.

Index
Sort key
Delete
Update

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Introduction to Database System
The data dictionary tells the DBMS

All of the listed here
what attribute are possessed by the data
what these files contain
what files are in the database

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Introduction to Database System
If you want to group the records in the abc database, you could use the Jobcode as the _____.

Index
Update
Delete
Sort Key

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Introduction to Database System
In which of the following is a single-entity instance of one type of related to a single-entity instance of another type?

One-to-One Relationship
One-to-Many Relationship
Many-to-Many Relationship
Composite Relationship

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Introduction to Database System
In SQL, which command is used to changes data in a table?

APPEND
BROWSE
UPDATE
INSERT

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

False
True

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