Oracle

Introduction to Oracle9i: SQL

Student Guide • Volume 1

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40049GC11
Production 1.1
October 2001
D33990

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Authors

Copyright © Oracle Corporation, 2000, 2001. All rights reserved.

Nancy Greenberg
Priya Nathan

This documentation contains proprietary information of Oracle Corporation. It is
provided under a license agreementcontaining restrictions on use and disclosure and
is also protected by copyright law. Reverse engineering of the software is prohibited.
If this documentation is delivered to a U.S. Government Agency of the Department of
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Technical Contributors
and Reviewers
Josephine Turner
Martin Alvarez
AnnaAtkinson
Don Bates
Marco Berbeek
Andrew Brannigan

Restricted Rights Legend
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Thismaterial or any portion of it may not be copied in any form or by any means
without the express prior written permission of Oracle Corporation. Any other copying
is a violation of copyright law and may result in civil and/or criminal penalties.

Laszlo Czinkoczki

Michael Gerlach
Sharon Gray
Rosita Hanoman
Mozhe Jalali
Sarah Jones
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Casa Sharif
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Craig Spoonemore
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Publisher

Nita Brozowski

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Contents

Preface
Curriculum MapIntroduction
Objectives I-2
Oracle9i I-3
Oracle9i Application Server I-5
Oracle9i Database I-6
Relational and Object Relational Database Management System I-7
Oracle Internet Platform I-8
System Development Life Cycle I-9
Data Storage on Different Media I-11
Relational Database Concept I-12
Definition of a Relational Database I-13
Data Models I-14
Entity Relationship Model I-15
EntityRelationship Modeling Conventions I-16
Relating Multiple Tables I-18
Relational Database Terminology I-19
Relational Database Properties I-20
Communicating with a RDBMS Using SQL I-21
Relational Database Management System I-22
SQL Statements I-23
Tables Used in the Course I-24
1

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Writing Basic SQL SELECT Statements
Objectives 1-2
Capabilities of SQL SELECT Statements1-3
Basic SELECT Statement 1-4
Selecting All Columns 1-5
Selecting Specific Columns 1-6
Writing SQL Statements 1-7
Column Heading Defaults 1-8
Arithmetic Expressions 1-9
Using Arithmetic Operators 1-10
Operator Precedence 1-11
Using Parentheses 1-13
Defining a Null Value 1-14
Null Values in Arithmetic Expressions 1-15
Defining a Column Alias 1-16
Using Column Aliases 1-17...