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Introduction to Database System

Introduction to Database System
SQL stands for ________ .

Sequential Question Language
Sequential Query Language
Structured Question Language
Structured Query Language

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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
A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields.

Relational
Hierarchical
Network
Object-Oriented
None of these

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Introduction to Database System
A network schema

restricts the structure to a one-to-many relationship
All of the listed here
stores data in tables
permits many-to-many relation¬ships

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Introduction to Database System
Versatile report generators can provide

Calculations
All of these
Columnar totals
None of these
Subtotals

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Introduction to Database System
A _____ Contains fields of data about one entity.

Record
None of these
Fields
File
Document

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