Ingeniero En Sistemas Y Computacion

Oracle Database 10g: SQL
Fundamentals I
Volume I • Student Guide

D17108GC10
Edition 1.0
March 2004
D39189

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Author

Copyright © 2004, Oracle. All rights reserved.

Nancy Greenberg

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Technical Contributors
and Reviewers
Wayne Abbott
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Perry Benson
Brian Boxx
Zarko Cesljas
Dairy Chan
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Publisher
Nita K. Brozowski

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Contents

Preface
Introduction
Lesson Objectives I-2
Goals of the Course I-3
Oracle10g I-4
Oracle Database 10g I-6
Oracle Application Server 10g I-7
Oracle Enterprise Manager 10g Grid Control I-8
Relational and Object Relational Database ManagementSystems I-9
Oracle Internet Platform I-10
System Development Life Cycle I-11
Data Storage on Different Media I-13
Relational Database Concept I-14
Definition of a Relational Database I-15
Data Models I-16
Entity Relationship Model I-17
Entity Relationship Modeling Conventions I-19
Relating Multiple Tables I-21
Relational Database Terminology I-23
Relational Database Properties I-25Communicating with an RDBMS Using SQL I-26
Oracle’s Relational Database Management System I-27
SQL Statements I-28
Tables Used in the Course I-29
Summary I-30
1

Retrieving Data Using the SQL SELECT Statement
Objectives 1-2
Capabilities of SQL SELECT Statements 1-3
Basic SELECT Statement 1-4
Selecting All Columns 1-5
Selecting Specific Columns 1-6
Writing SQL Statements 1-7
ColumnHeading Defaults 1-8
Arithmetic Expressions 1-9
Using Arithmetic Operators 1-10
Operator Precedence 1-11
Defining a Null Value 1-12
Null Values in Arithmetic Expressions 1-13
Defining a Column Alias 1-14
Using Column Aliases 1-15
Concatenation Operator 1-16
Literal Character Strings 1-17
Using Literal Character Strings 1-18
Alternative Quote (q) Operator 1-19
Duplicate Rows 1-20
iii...