Cover image for Sams Teach Yourself SQL in 24 Hours, 7th Edition

Sams Teach Yourself SQL in 24 Hours, 7th Edition

Author Ryan Stephens , Arie D. Jones , Ron Plew
Release Date: 2021/12/01
ISBN: 9780137543168
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Includes Coverage of Oracle and Microsoft SQL Implementations

In just 24 lessons of one hour or less, SQL in 24 Hours, Sams Teach Yourself, Seventh Edition, helps you use SQL to build effective databases, efficiently retrieve data, and manage everything from performance to security.

The straightforward, step-by-step approach shows you how to work with database structures, objects, queries, tables, and more. In just hours, you will be applying advanced techniques, including views, transactions, web connections, and powerful Oracle and SQL Server extensions. Every lesson builds on what youve already learned, giving you a rock-solid foundation for real-world success.

Step-by-step instructions carefully walk you through the most common SQL tasks.

Practical, hands-on examples show you how to apply what you learn.

Quizzes and exercises help you test your knowledge and stretch your skills.

Notes and tips point out shortcuts and solutions.

Learn how to

  • Define efficient database structures and objects

  • Normalize raw databases into logically organized tables

  • Edit relational data and tables with DML

  • Manage transactions

  • Write effective, well-performing queries

  • Categorize, summarize, sort, group, and restructure data

  • Work with dates and times

  • Join tables in queries, use subqueries, and combine multiple queries

  • Master powerful query optimization techniques

  • Administer databases and manage users

  • Secure databases and protect data

  • Use views, synonyms, and the system catalog

  • Extend SQL to the enterprise and Internet

  • Master important Oracle and Microsoft extensions to ANSI SQL

Register your product at informit.com/register for convenient access to downloads, updates, and corrections as they become available.

Table of Contents

  1. Cover Page
  2. Title Page
  3. Copyright Page
  4. Contents at a Glance
  5. Table of Contents
  6. About the Authors
  7. Dedication
  8. Acknowledgments
  9. We Want to Hear from You!
  10. Reader Services
  11. What This Book Is About
  12. What You Need for This Book
  13. Author’s Website
  14. Preface
  15. Hour 1 Understanding the Relational Database and SQL
    1. Thriving in a Data-Driven World
    2. Understanding the Relational Database
    3. The Relational Database Continues to Lead the Way
    4. Examples and Exercises
    5. Summary
    6. Q&A
    7. Workshop
  16. Hour 2 Exploring the Components of the SQL Language
    1. SQL Definition and History
    2. SQL: The Standard Language
    3. SQL Sessions
    4. Types of SQL Commands
    5. Summary
    6. Q&A
    7. Workshop
  17. Hour 3 Getting to Know Your Data
    1. The BIRD Database: Examples and Exercises in This Book
    2. How to Talk About the Data
    3. Entity Relationship Diagrams
    4. Examples and Exercises
    5. Summary
    6. Q&A
    7. Workshop
  18. Hour 4 Setting Up Your Database
    1. Locating the Files You Need
    2. Getting Set Up for Hands-on Exercises
    3. List of Data by Table
    4. Summary
    5. Q&A
    6. Workshop
  19. Hour 5 Understanding the Basics of Relational (SQL) Database Design
    1. Understanding What Database Design Has to Do with SQL
    2. The Database Design Process
    3. Choosing a Database Design Methodology
    4. Using a Simple Process to Think Through the Design of the BIRDS Database
    5. Logical Model vs. Physical Design
    6. Database Life Cycle
    7. Summary
    8. Q&A
    9. Workshop
  20. Hour 6 Defining Entities and Relationships
    1. Creating a Data Model Based on Your Data
    2. Defining Relationships
    3. Employing Referential Integrity
    4. Creating an Entity Relationship
    5. Summary
    6. Q&A
    7. Workshop
    8. Exercises
  21. Hour 7 Normalizing Your Database
    1. Defining Normalization
    2. Exploring the Most Common Normal Forms of the Normalization Process
    3. Denormalizing a Database
    4. Applying Normalization to Your Database
    5. Summary
    6. Q&A
    7. Workshop
  22. Hour 8 Defining Data Structures
    1. Defining Data
    2. Understanding Basic Data Types
    3. Using Data Types in the BIRDS Database
    4. Summary
    5. Q&A
    6. Workshop
  23. Hour 9 Creating and Managing Database Objects
    1. Database Objects and Schemas
    2. Tables: The Primary Storage for Data
    3. Integrity Constraints
    4. Summary
    5. Q&A
    6. Workshop
  24. Hour 10 Manipulating Data
    1. Getting an Overview of Data Manipulation
    2. Populating Tables with New Data
    3. Updating Existing Data
    4. Deleting Data from Tables
    5. Summary
    6. Q&A
    7. Workshop
  25. Hour 11 Managing Database Transactions
    1. Defining Transactions
    2. Controlling Transactions
    3. Dealing with Poor Transactional Control
    4. Summary
    5. Q&A
    6. Workshop
  26. Hour 12 Introduction to Database Queries
    1. Using the SELECT Statement
    2. Case Sensitivity
    3. Fundamentals of Query Writing
    4. Summary
    5. Q&A
    6. Workshop
  27. Hour 13 Using Operators to Categorize Data
    1. Defining an Operator in SQL
    2. Using Comparison Operators
    3. Using Logical Operators
    4. Using Conjunctive Operators
    5. Using Negative Operators
    6. Using Arithmetic Operators
    7. Summary
    8. Q&A
    9. Workshop
  28. Hour 14 Joining Tables in Queries
    1. Selecting Data from Multiple Tables
    2. Understanding Joins
    3. Join Considerations
    4. Summary
    5. Q&A
    6. Workshop
  29. Hour 15 Restructuring the Appearance of Data
    1. ANSI Character Functions
    2. Common Character Functions
    3. Miscellaneous Character Functions
    4. Mathematical Functions
    5. Conversion Functions
    6. Combined Character Functions
    7. Summary
    8. Q&A
    9. Workshop
  30. Hour 16 Understanding Dates and Times
    1. Understanding How a Date Is Stored
    2. Using Date Functions
    3. Converting Dates
    4. Summary
    5. Q&A
    6. Workshop
  31. Hour 17 Summarizing Data Results from a Query
    1. Using Aggregate Functions
    2. Grouping Data
    3. Using the GROUP BY Clause
    4. Understanding the Difference Between GROUP BY and ORDER BY
    5. Using CUBE and ROLLUP Expressions
    6. Using the HAVING Clause
    7. Summary
    8. Q&A
    9. Workshop
  32. Hour 18 Using Subqueries to Define Unknown Data
    1. Defining Subqueries
    2. Embedded Subqueries
    3. Using Correlated Subqueries
    4. Summary
    5. Q&A
    6. Workshop
  33. Hour 19 Combining Multiple Queries into One
    1. Differentiating Single Queries and Compound Queries
    2. Using Compound Query Operators
    3. Using ORDER BY with a Compound Query
    4. Using GROUP BY with a Compound Query
    5. Retrieving Accurate Data
    6. Summary
    7. Q&A
    8. Workshop
  34. Hour 20 Creating and Using Views and Synonyms
    1. Defining Views
    2. Creating Views
    3. Updating Data Through a View
    4. Dropping a View
    5. Understanding the Performance Impact of Nested Views
    6. Defining Synonyms
    7. Summary
    8. Q&A
    9. Workshop
  35. Hour 21 Managing Database Users and Security
    1. Managing Users in the Database
    2. Understanding the Management Process
    3. Maximizing Tools Utilized by Database Users
    4. Understanding Database Security
    5. Assigning Privileges
    6. Controlling User Access
    7. Controlling Privileges Through Roles
    8. Summary
    9. Q&A
    10. Workshop
  36. Hour 22 Using Indexes to Improve Performance
    1. Defining an Index
    2. Understanding How Indexes Work
    3. Using the CREATE INDEX Command
    4. Identifying Types of Indexes
    5. Knowing When to Consider Using an Index
    6. Knowing When to Avoid Indexes
    7. Altering an Index
    8. Dropping an Index
    9. Summary
    10. Q&A
    11. Workshop
  37. Hour 23 Improving Database Performance
    1. Defining SQL Statement Tuning
    2. Comparing Database Tuning and SQL Statement Tuning
    3. Formatting Your SQL Statement
    4. Running Full Table Scans
    5. Identifying Other Performance Considerations
    6. Using Cost-Based Optimization
    7. Summary
    8. Q&A
    9. Workshop
  38. Hour 24 Working with the System Catalog
    1. Defining the System Catalog
    2. Creating the System Catalog
    3. Determining What Is Contained in the System Catalog
    4. Identifying System Catalog Tables by Implementation
    5. Querying the System Catalog
    6. Updating System Catalog Objects
    7. Summary
    8. Q&A
    9. Workshop
  39. Hour 25 Bonus Workshop for the Road
    1. The BIRDS Database
    2. Predators of Birds
    3. Photographers of Birds
    4. Creating the New Tables
    5. Workshop: Describing Your Tables
    6. Workshop: Basic Queries
    7. Workshop: Adding Tables
    8. Workshop: Manipulating Data
    9. Workshop: Joining Tables
    10. Workshop: Comparison Operators
    11. Workshop: Logical Operators
    12. Workshop: Conjunctive Operators
    13. Workshop: Arithmetic Operators
    14. Workshop: Character Functions
    15. Workshop: Aggregating Data
    16. Workshop: GROUP BY and HAVING
    17. Workshop: Composite Queries
    18. Workshop: Creating Tables from Existing Tables
    19. Workshop: Inserting Data into a Table from Another Table
    20. Workshop: Creating Views
    21. Workshop: Embedding Subqueries
    22. Workshop: Creating Views from Subqueries
    23. Workshop: Generating SQL Code from a SQL Statement
    24. Summary
    25. Workshop
  40. Appendix A Common SQL Commands
    1. SQL Statements
    2. SQL Query Clauses
  41. Appendix B Popular Vendor RDBMS Implementations
    1. Installing the Oracle Database Software Used for Examples and Hands-On Exercises
  42. Appendix C Answers to Quizzes and Exercises
    1. Hour 1, “Understanding the Relational Database and SQL”
    2. Hour 2, “Exploring the Components of the SQL Language”
    3. Hour 3, “Getting to Know Your Data”
    4. Hour 4, “Setting Up Your Database”
    5. Hour 5, “Understanding the Basics of Relational (SQL) Database Design”
    6. Hour 6, “Defining Entities and Relationships”
    7. Hour 7, “Normalizing Your Database”
    8. Hour 8, “Defining Data Structures”
    9. Hour 9, “Creating and Managing Database Objects”
    10. Hour 10, “Manipulating Data”
    11. Hour 11, “Managing Database Transactions”
    12. Hour 12, “Introduction to Database Queries”
    13. Hour 13, “Using Operators to Categorize Data”
    14. Hour 14, “Joining Tables in Queries”
    15. Hour 15, “Restructuring the Appearance of Data”
    16. Hour 16, “Understanding Dates and Times”
    17. Hour 17, “Summarizing Data Results from a Query”
    18. Hour 18, “Using Subqueries to Define Unknown Data”
    19. Hour 19, “Combining Multiple Queries into One”
    20. Hour 20, “Creating and Using Views and Synonyms”
    21. Hour 21, “Managing Database Users and Security”
    22. Hour 22, “Using Indexes to Improve Performance”
    23. Hour 23, “Improving Database Performance”
    24. Hour 24, “Working with the System Catalog”
    25. Hour 25, “Bonus Workshop for the Road”