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OverviewIn just 24 lessons of one hour or less, you will learn professional techniques to design and build efficient databases and query them to extract useful information. Using a straightforward, step-by-step approach, each lesson builds on the previous one, allowing you to learn the essentials of ANSI SQL from the ground up. Example code demonstrates the authors’ professional techniques, while exercises written for MySQL offer the reader hands-on learning with an open-source database. Included are advanced techniques for using views, managing transactions, database administration, and extending SQL. Step-by-step instructions carefully walk you through the most common SQL tasks. Q&As, Quizzes, and Exercises at the end of each chapter help you test your knowledge. Notes and Tips point out shortcuts and solutions. New terms are clearly defined and explained. Learn how to… Use SQL-2003, the latest standard for the Structured Query Language Design and deploy efficient, secure databases Build advanced queries for information retrieval Sort, group, and summarize information for best presentation Tune databases and queries for maximum performance Understand database administration and security techniques For more than ten years the authors have studied, applied, and documented the SQL standard and its application to critical database systems. Ryan Stephens and Ron Plew are entrepreneurs, speakers, and cofounders of Perpetual Technologies, Inc. (PTI), a fast-growing IT management and consulting firm which specializes in database technologies. They taught database courses for Indiana University–Purdue University in Indianapolis for five years and have authored more than a dozen books on Oracle, SQL, database design, and the high availability of critical systems. Arie D. Jones is Senior SQL Server database administrator and analyst for PTI. He is a regular speaker at technical events and has authored several books and articles. Category: Database Covers: ANSI SQL User Level: Beginning–Intermediate Register your book at informit.com/title/9780672330186 for convenient access to updates and corrections as they become available. Full Product DetailsAuthor: Ryan Stephens , Ron Plew , Arie D. JonesPublisher: Pearson Education (US) Imprint: Sams Publishing Edition: 4th edition Dimensions: Width: 23.10cm , Height: 2.90cm , Length: 18.00cm Weight: 0.786kg ISBN: 9780672330186ISBN 10: 0672330180 Pages: 504 Publication Date: 12 June 2008 Audience: College/higher education , Tertiary & Higher Education Replaced By: 9780672335419 Format: Paperback Publisher's Status: Out of Print Availability: Out of stock ![]() Table of ContentsIntroduction 1 What This Book Intends to Accomplish......................... 1 What We Added to This Edition..................................... 1 What You Need............................................................ 2 Conventions Used in This Book..................................... 2 ANSI SQL and Vendor Implementations........................ 3 Understanding the Examples and Exercises................... 3 Part I: A SQL Concepts Overview Hour 1: Welcome to the World of SQL 7 SQL Definition and History............................................ 7 SQL Sessions............................................................. 14 Types of SQL Commands........................................... 15 The Database Used in This Book................................. 17 Summary.................................................................. 22 Q&A.......................................................................... 23 Workshop................................................................. 24 Part II: Building Your Database Hour 2: Defining Data Structures 27 What Is Data?............................................................ 27 Basic Data Types....................................................... 28 Summary.................................................................. 36 Q&A.......................................................................... 37 Workshop................................................................. 37 Hour 3: Managing Database Objects 41 What Are Database Objects?...................................... 41 What Is a Schema?.................................................... 42 A Table: The Primary Storage for Data........................ 44 Integrity Constraints.................................................. 52 Summary.................................................................. 56 Q&A.......................................................................... 57 Workshop................................................................. 58 Hour 4: The Normalization Process 61 Normalizing a Database............................................. 61 Denormalizing a Database.......................................... 69 Summary.................................................................. 69 Q&A.......................................................................... 70 Workshop................................................................. 70 Hour 5: Manipulating Data 73 Overview of Data Manipulation................................... 73 Populating Tables with New Data................................ 74 Updating Existing Data............................................... 79 Deleting Data from Tables.......................................... 81 Summary.................................................................. 82 Q&A.......................................................................... 82 Workshop................................................................. 83 Hour 6: Managing Database Transactions 87 What Is a Transaction?............................................... 87 Controlling Transactions............................................. 88 Transactional Control and Database Performance........ 95 Summary.................................................................. 95 Q&A.......................................................................... 96 Workshop................................................................. 96 Part III: Getting Effective Results from Queries Hour 7: Introduction to the Database Query 101 What Is a Query?..................................................... 101 Introduction to the SELECT Statement...................... 101 Examples of Simple Queries..................................... 109 Summary................................................................ 113 Q&A........................................................................ 113 Workshop............................................................... 114 Hour 8: Using Operators to Categorize Data 117 What Is an Operator in SQL?.................................... 117 Comparison Operators............................................. 118 Logical Operators..................................................... 121 Conjunctive Operators............................................. 127 Negative Operators.................................................. 130 Arithmetic Operators................................................ 134 Summary................................................................ 138 Q&A........................................................................ 138 Workshop............................................................... 138 Hour 9: Summarizing Data Results from a Query 141 What Are Aggregate Functions?................................ 141 Summary................................................................ 149 Q&A........................................................................ 149 Workshop............................................................... 149 Hour 10: Sorting and Grouping Data 151 Why Group Data?.................................................... 151 The GROUP BY Clause.............................................. 152 GROUP BY Versus ORDER BY.................................... 156 The HAVING Clause.................................................. 159 Summary................................................................ 160 Q&A........................................................................ 160 Workshop............................................................... 161 Hour 11: Restructuring the Appearance of Data 165 ANSI Character Functions......................................... 165 Various Common Character Functions...................... 166 Miscellaneous Character Functions............................ 175 Mathematical Functions............................................ 178 Conversion Functions............................................... 179 Combining Character Functions................................ 181 Summary................................................................ 182 Q&A........................................................................ 182 Workshop............................................................... 183 Hour 12: Understanding Dates and Times 185 How Is a Date Stored?............................................. 186 Date Functions........................................................ 187 Date Conversions.................................................... 192 Summary................................................................ 197 Q&A........................................................................ 197 Workshop............................................................... 198 Part IV: Building Sophisticated Database Queries Hour 13: Joining Tables in Queries 203 Selecting Data from Multiple Tables........................... 203 Types of Joins......................................................... 204 Join Considerations.................................................. 214 Summary................................................................ 218 Q&A........................................................................ 218 Workshop............................................................... 219 Hour 14: Using Subqueries to Define Unknown Data 221 What Is a Subquery?................................................ 221 Embedded Subqueries.............................................. 227 Correlated Subqueries.............................................. 229 Summary................................................................ 230 Q&A........................................................................ 231 Workshop............................................................... 231 Hour 15: Combining Multiple Queries into One 235 Single Queries Versus Compound Queries................. 235 Compound Query Operators.................................... 236 Using ORDER BY with a Compound Query................. 242 Using GROUP BY with a Compound Query................. 244 Retrieving Accurate Data.......................................... 246 Summary................................................................ 246 Q&A........................................................................ 246 Workshop............................................................... 247 Part V: SQL Performance Tuning Hour 16: Using Indexes to Improve Performance 253 What Is an Index?.................................................... 253 How Do Indexes Work?........................................... 254 The CREATE INDEX Command.................................. 255 Types of Indexes..................................................... 255 When Should Indexes Be Considered?....................... 258 When Should Indexes Be Avoided?........................... 259 Dropping an Index.................................................... 260 Summary................................................................ 261 Q&A........................................................................ 261 Workshop............................................................... 262 Hour 17: Improving Database Performance 265 What Is SQL Statement Tuning?............................... 265 Database Tuning Versus SQL Statement Tuning......... 266 Formatting Your SQL Statement............................... 266 Full Table Scans....................................................... 272 Other Performance Considerations........................... 273 Performance Tools................................................... 276 Summary................................................................ 276 Q&A........................................................................ 277 Workshop............................................................... 278 Part VI: Using SQL to Manage Users and Security Hour 18: Managing Database Users 283 Users Are the Reason.............................................. 284 The Management Process........................................ 286 Tools Utilized by Database Users.............................. 293 Summary................................................................ 294 Q&A........................................................................ 294 Workshop............................................................... 295 Hour 19: Managing Database Security 297 What Is Database Security?...................................... 297 What Are Privileges?................................................. 298 Controlling User Access............................................ 302 Controlling Privileges Through Roles.......................... 305 Summary................................................................ 307 Q&A........................................................................ 308 Workshop............................................................... 309 Part VII: Summarized Data Structures Hour 20: Creating and Using Views and Synonyms 313 What Is a View?....................................................... 313 Creating Views......................................................... 316 WITH CHECK OPTION............................................... 320 Updating Data Through a View.................................. 321 Creating a Table from a View.................................... 322 Views and the ORDER BY Clause............................... 323 Dropping a View....................................................... 323 What Is a Synonym?................................................ 324 Summary................................................................ 325 Q&A........................................................................ 326 Workshop............................................................... 326 Hour 21: Working with the System Catalog 329 What Is the System Catalog?................................... 329 How Is the System Catalog Created?....................... 331 What Is Contained in the System Catalog?................ 331 System Catalog Tables by Implementation............... 333 Querying the System Catalog................................... 335 Updating System Catalog Objects............................ 337 Summary................................................................ 337 Q&A........................................................................ 338 Workshop............................................................... 338 Part VIII: Applying SQL Fundamentals in Today’s World Hour 22: Advanced SQL Topics 343 Cursors................................................................... 343 Stored Procedures and Functions............................. 346 Triggers................................................................... 349 Dynamic SQL........................................................... 351 Call-Level Interface.................................................. 352 Using SQL to Generate SQL...................................... 352 Direct Versus Embedded SQL................................... 353 Windowed Table Functions....................................... 354 Working with XML.................................................... 354 Summary................................................................ 355 Q&A........................................................................ 356 Workshop............................................................... 356 Hour 23: Extending SQL to the Enterprise, the Internet, and the Intranet 359 SQL and the Enterprise............................................. 359 Accessing a Remote Database.................................. 361 SQL and the Internet................................................ 364 SQL and the Intranet................................................ 365 Summary................................................................ 366 Q&A........................................................................ 367 Workshop............................................................... 367 Hour 24: Extensions to Standard SQL 369 Various Implementations.......................................... 369 Example Extensions................................................. 372 Interactive SQL Statements..................................... 375 Summary................................................................ 376 Q&A........................................................................ 377 Workshop............................................................... 377 Part IX: Appendixes Appendix A: Common SQL Commands 381 Appendix B: Using MySQL for Exercises 387 Appendix C: Answers to Quizzes and Exercises 391 Appendix D: CREATE TABLE Statements for Book Examples 435 Appendix E: INSERT Statements for Book Examples 437 Appendix F: Bonus Exercises 441 Glossary 447 TOC, 0672330180, MFReviewsAuthor InformationFor more than 10 years, the authors have studied, applied, and documented the SQL standard and its application to critical database systems in this book. Ryan Stephens and Ron Plew are entrepreneurs, speakers, and cofounders of Perpetual Technologies, Inc. (PTI), a fast-growing IT management and consulting firm. PTI specializes in database technologies, primarily Oracle and SQL servers running on all Unix, Linux, and Microsoft platforms. Starting out as data analysts and database administrators, Ryan and Ron now lead a team of impressive technical subject matter experts who manage databases for clients worldwide. They authored and taught database courses for Indiana University-Purdue University in Indianapolis for five years and have authored more than a dozen books on Oracle, SQL, database design, and high availability of critical systems. Arie D. Jones is Senior SQL Server database administrator and analyst for Perpetual Technologies, Inc. (PTI) in Indianapolis, Indiana. Arie leads PTI’s team of experts in planning, design, development, deployment, and management of database environments and applications to achieve the best combination of tools and services for each client. He is a regular speaker at technical events and has authored several books and articles pertaining to database-related topics. The most recent is SQL Functions Programmer’s Reference from Wrox Publishing. Tab Content 6Author Website:Countries AvailableAll regions |