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Introduction to Database System

Introduction to Database System
Which of the following indicates the minimum number of entities that must be involved in a relationship?

Greater Entity Count (GEC)
Minimum cardinality
ERD
Maximum cardinality

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Introduction to Database System
Applications are programs that interact directly with the database.

True
False

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Introduction to Database System
Data item characteristics that are important in data management include

spelling
punctuation
language
width

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Introduction to Database System
Each of data files has a _____ that describe the way the data is stored in the file.

File structure
Fields
Database
Records

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Introduction to Database System
The data dictionary tells the DBMS

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

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

CREATE SAME
All of the listed here
CREATE SYNONYM
CREATE SCHEMA

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