SQL for the Real World Don't just learn "generic" SQL. Learn SQL to get results with the world's top database platforms-Oracle for the enterprise and Microsoft Access for the desktop. Based on John Patrick's hands-on SQL course at the University of California, Berkeley Extension, this book shows exactly how to retrieve the data you want, when you need it, in any application-from ad hoc reports to the data warehouse. Thoroughly updated for the newest versions of Oracle, Access, and the SQL standard, this book contains more exercises, techniques, and solutions than ever before. You'll learn exactly how to write SQL queries that are easy to understand, verify, modify, and extend-even if you've never worked with databases before. SQL Fundamentals,Third Edition,teaches you how to Build simple statements to retrieve, store, or modify data Craft complex queries that draw information from multiple tables Sort and summarize your data just the way you want it Create and edit your own tables Protect the integrity of your data Create more efficient, high-performance queries Work with unions, subqueries, self joins, cross joins, inner joins, and outer joins Use the Oracle Data Dictionary About the Web Site The accompanying Web site, http ://groups.google.com/group/sqlfun , contains all the SQL code and tables from the book, including the full databases for several versions of Access and code for building the corresponding Oracle databases. It also provides solutions to many of the book's problems and an open area for discussions with the author and other readers.
Table of Contents
Preface xxv Chapter 1: Storing Information in Tables 1 Introduction 3 The Parts of a Table 9 Examples of Tables 19 Key Points 30 Chapter 2: Getting Information from a Table 31 The Select Statement 33 The Select Clause 37 The Where Clause 50 The Order By Clause 71 Key Points 80 Chapter 3: Compound Conditions in the Where Clause 83 Compound Conditions in the Where Clause 85 Constant Values 95 Punctuation Matters 102 Case Sensitivity 113 Three-Valued Logic 120 Error Messages 122 Some Exercises Solved for You 124 Key Points 131 Chapter 4: Saving Your Results 133 Saving Your Results in a New Table or View 135 Modifying the Data in a Table with SQL 151 Modifying the Data in a Table with the GUI 161 Restrictions on Modifying the Data in a Table 167 Key Points 170 Chapter 5: The Data Dictionary and Other Oracle Topics 171 Commit, Rollback, and Transactions 173 Modifying Data through a View 179 The SQL Commands Page in Oracle 192 Using the Oracle Data Dictionary - Part 1 195 Key Points 207 Chapter 6: Creating Your Own Tables 209 Creating Tables 211 Changing Tables 226 Tables with Duplicate Rows 236 Key Points 243 Chapter 7: Formats, Sequences, and Indexes 245 Formats 247 Sequences 257 Indexes 262 Using the Oracle Data Dictionary - Part 2 266 An Exercise Solved for You 278 Key Points 280 Chapter 8: Data Integrity 281 Constraints on One Table 283 Referential Integrity 289 The Delete Options and Update Options of RI 303 Variations of Referential Integrity 311 How to Code Constraints in a Create Table Statement 316 Key Points 319 Chapter 9: Row Functions 321 Introduction to Row Functions 323 Numeric Functions 334 Text Functions 340 Date Functions 350 Key Points 359 Chapter 10: Using Row Functions 361 Specialized Row Functions 363 Using the Documentation of Row Functions 372 Creating Patterns of Numbers and Dates 376 Key Points 397 Chapter 11: Summarizing Data 399
