SQL in 10 Minutes a Day, Sams Teach Yourself
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SQL in 10 Minutes a Day, Sams Teach Yourself

SQL in 10 Minutes a Day, Sams Teach Yourself

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International Edition


About the Book

Whether you're an application developer, database administrator, web application designer, mobile app developer, or Microsoft Office users, a good working knowledge of SQL is an important part of interacting with databases. And Sams Teach Yourself SQL in 10 Minutes offers the straightforward, practical answers you need to help you do your job. Expert trainer and popular author Ben Forta teaches you just the parts of SQL you need to know–starting with simple data retrieval and quickly going on to more complex topics including the use of joins, subqueries, stored procedures, cursors, triggers, and table constraints. You'll learn methodically, systematically, and simply–in short, quick lessons that will each take only 10 minutes or less to complete.

Table of Contents:
Introduction 1     Who Is the Teach Yourself SQL Book For? . . . . . . . . . . . . . . . . . . . . . . . . . . 1     DBMSs Covered in This Book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2     Conventions Used in This Book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1 Understanding SQL 5     Database Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5     What Is SQL? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10     Try It Yourself . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2 Retrieving Data 13     The SELECT Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13     Retrieving Individual Columns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14     Retrieving Multiple Columns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16     Retrieving All Columns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17     Retrieving Distinct Rows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17     Limiting Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19     Using Comments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22     Challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 3 Sorting Retrieved Data 25     Sorting Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25     Sorting by Multiple Columns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27     Sorting by Column Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28     Specifying Sort Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30     Challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 4 Filtering Data 33     Using the WHERE Clause . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33     The WHERE Clause Operators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39     Challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 5 Advanced Data Filtering 41     Combining WHERE Clauses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41     Using the IN Operator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45     Using the NOT Operator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48     Challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 6 Using Wildcard Filtering 51     Using the LIKE Operator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51     Tips for Using Wildcards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57     Challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 7 Creating Calculated Fields 59     Understanding Calculated Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59     Concatenating Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60     Performing Mathematical Calculations . . . . . . . . . . . . . . . . . . . . . . . . . . . 65     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67     Challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 8 Using Data Manipulation Functions 69     Understanding Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69     Using Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77     Challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 9 Summarizing Data 79     Using Aggregate Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79     Aggregates on Distinct Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85     Combining Aggregate Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87     Challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 10 Grouping Data 89     Understanding Data Grouping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89     Creating Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90     Filtering Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91     Grouping and Sorting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94     SELECT Clause Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96     Challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 11 Working with Subqueries 99     Understanding Subqueries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99     Filtering by Subquery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99     Using Subqueries as Calculated Fields . . . . . . . . . . . . . . . . . . . . . . . . . . 103     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105     Challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106 12 Joining Tables 107     Understanding Joins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107     Creating a Join . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115     Challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116 13 Creating Advanced Joins 117     Using Table Aliases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117     Using Different Join Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118     Using Joins with Aggregate Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . 123     Using Joins and Join Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125     Challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126 14 Combining Queries 127     Understanding Combined Queries. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127     Creating Combined Queries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133     Challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 15 Inserting Data 135     Understanding Data Insertion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135     Copying from One Table to Another . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142     Challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143 16 Updating and Deleting Data 145     Updating Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145     Deleting Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147     Guidelines for Updating and Deleting Data . . . . . . . . . . . . . . . . . . . . . . . 149     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149     Challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 17 Creating and Manipulating Tables 151     Creating Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151     Updating Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155     Deleting Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157     Renaming Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158     Challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159 18 Using Views 161     Understanding Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161     Creating Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169     Challenges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170 19 Working with Stored Procedures 171     Understanding Stored Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171     Understanding Why to Use Stored Procedures . . . . . . . . . . . . . . . . . . . . . 172     Executing Stored Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173     Creating Stored Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178 20 Managing Transaction Processing 179     Understanding Transaction Processing . . . . . . . . . . . . . . . . . . . . . . . . . . 179     Controlling Transactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185 21 Using Cursors 187     Understanding Cursors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187     Working with Cursors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192 22 Understanding Advanced SQL Features 193     Understanding Constraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193     Understanding Indexes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198     Understanding Triggers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200     Database Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202     Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 A Sample Table Scripts 203 B SQL Statement Syntax 209 C Using SQL Datatypes 215 D SQL Reserved Words 221 TOC, 9780135182796, 10/9/19


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Product Details
  • ISBN-13: 9780135182796
  • Publisher: Pearson Education (US)
  • Publisher Imprint: Addison Wesley
  • Height: 228 mm
  • No of Pages: 256
  • Spine Width: 12 mm
  • Width: 154 mm
  • ISBN-10: 0135182794
  • Publisher Date: 25 Aug 2020
  • Binding: Paperback
  • Language: English
  • Returnable: Y
  • Weight: 458 gr


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