The most thorough SQL reference, now updated for SQL:2023

SQL All-in-One For Dummieshas everything you need to get started with the SQL programming language, and then to level up your skill with advanced applications. This relational database coding language is one of the most used languages in professional software development. And, as it becomes ever more important to take control of data, theres no end in sight to the need for SQL know-how. You can take your career to the next level with this guide to creating databases, accessing and editing data, protecting data from corruption, and integrating SQL with other languages in a programming environment. Become a SQL guru and turn the page on the next chapter of your coding career.Get 7 mini-books in one, covering basic SQL, database development, and advanced SQL conceptsRead clear explanations of SQL code and learn to write complex queriesDiscover how to apply SQL in real-world situations to gain control over large datasetsEnjoy a thorough reference to common tasks and issues in SQL development

This Dummies All-in-One guide is for all SQL usersfrom beginners to more experienced programmers. Find the info and the examples you need to reach the next stage in your SQL journey.

Allen G. Taylor is a 30-year veteran of the computer industry and the author of more than 40 books, including previous editions ofSQL For DummiesandSQL All-in-One For Dummies.Richard Blum has more than 30 years of experience in the IT industry as a systems and network administrator. He is author ofLinux All-in-One For Dummies7th Edition, andPHP, MySQL,& JavaScript All-in-One For Dummies.

Introduction 1

Book 1: Getting Started with SQL 5

Chapter 1: Understanding Relational Databases 7

Chapter 2: Modeling a System 29

Chapter 3: Getting to Know SQL 53

Chapter 4: SQL and the Relational Model 65

Chapter 5: Knowing the Major Components of SQL 75

Chapter 6: Drilling Down to the SQL Nitty-Gritty 99

Book 2: Developing Relational Databases 133

Chapter 1: System Development Overview 135

Chapter 2: Building a Database Model 151

Chapter 3: Balancing Performance and Correctness 169

Chapter 4: Creating a Database with SQL 203

Book 3: Writing SQL Queries 217

Chapter 1: Values, Variables, Functions, and Expressions 219

Chapter 2: SELECT Statements and Modifying Clauses 249

Chapter 3: Querying Multiple Tables with Subqueries 295

Chapter 4: Querying Multiple Tables with Relational Operators 323

Chapter 5: Cursors 345

Book 4: Securing Your Data 357

Chapter 1: Protecting Against Hardware Failure and External Threats 359

Chapter 2: Protecting Against User Errors and Conflicts 391

Chapter 3: Assigning Access Privileges 419

Chapter 4: Error Handling 431

Book 5: Programming with SQL 447

Chapter 1: Database Development Environments 449

Chapter 2: Interfacing SQL to a Procedural Language 455

Chapter 3: Using SQL in an Application Program 461

Chapter 4: Designing a Sample Application 477

Chapter 5: Building an Application 497

Chapter 6: Understanding SQLs Procedural Capabilities 513

Chapter 7: Connecting SQL to a Remote Database 531

Book 6: Working with Advanced Data Types in SQL: XML, JSON, and PGQ 545

Chapter 1: Using XML with SQL 547

Chapter 2: Storing XML Data in SQL Tables 575

Chapter 3: Retrieving Data from XML Documents 599

Chapter 4: Using JSON with SQL 617

Chapter 5: Exploring Property Graph Queries 633

Book 7: Optimizing Your Database 645

Chapter 1: Tuning the Database 647

Chapter 2: Tuning the Environment 659

Chapter 3: Finding and Eliminating Performance Bottlenecks 681

Book 8: Appendixes 709

Chapter 1: SQL:2023 Reserved Words 711

Chapter 2: Glossary 721

Index 731