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Introduction to Database System

Introduction to Database System
In SQL, which command is used to create a database user?

ADD USER TO DATABASE
All of the listed here
CREATE USER
MK USER

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Introduction to Database System
The data dictionary tells the DBMS

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

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

child
subtype
instance
parent

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Introduction to Database System
In a relational schema, each tuple is divided into fields called

All of the listed here
Relations
Domains
Queries

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Introduction to Database System
Which of the following is not characteristic of a relational database model?

tables
complex logical relationships
treelike structure
records

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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.

Sort key
Delete
Update
Index

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