The latest on SQL databasesSQL All -In-One For Dummies, 3rd Edition, is a one-stop shop for everything you need to know about SQL and SQL-based relational databases. Everyone from database administrators to application programmers and the people who manage them will find clear, concise explanations of the SQL language and its many powerful applications.With the ballooning amount of data out there, more and more businesses, large and small, are moving from spreadsheets to SQL databases like Access, Microsoft SQL Server, Oracle databases, MySQL, and PostgreSQL. This compendium of information covers designing, developing, and maintaining these databases.* Cope with any issue that arises in SQL database creation and management* Get current on the newest SQL updates and capabilities* Reference information on querying SQL-based databases in the SQL language* Understand relational databases and their importance to today's organizationsSQL All-In-One For Dummies is a timely update to the popular reference for readers who want detailed information about SQL databases and queries.

Introduction 1 Book 1: SQL Concepts 9 Chapter 1: Understanding Relational Databases 11 Chapter 2: Modeling a System 31 Chapter 3: Getting to Know SQL 55 Chapter 4: SQL and the Relational Model 67 Chapter 5: Knowing the Major Components of SQL 77 Chapter 6: Drilling Down to the SQL Nitty-Gritty 99 Book 2: Relational Database Development 131 Chapter 1: System Development Overview 133 Chapter 2: Building a Database Model 149 Chapter 3: Balancing Performance and Correctness 167 Chapter 4: Creating a Database with SQL 199 Book 3: SQL Queries 211 Chapter 1: Values, Variables, Functions, and Expressions 213 Chapter 2: SELECT Statements and Modifying Clauses 239 Chapter 3: Querying Multiple Tables with Subqueries 281 Chapter 4: Querying Multiple Tables with Relational Operators 309 Chapter 5: Cursors 329 Book 4: Data Security 341 Chapter 1: Protecting Against Hardware Failure and External Threats 343 Chapter 2: Protecting Against User Errors and Conflicts 373 Chapter 3: Assigning Access Privileges 401 Chapter 4: Error Handling 413 Book 5: SQL and Programming 429 Chapter 1: Database Development Environments 431 Chapter 2: Interfacing SQL to a Procedural Language 437 Chapter 3: Using SQL in an Application Program 443 Chapter 4: Designing a Sample Application 457 Chapter 5: Building an Application 477 Chapter 6: Understanding SQL's Procedural Capabilities 493 Chapter 7: Connecting SQL to a Remote Database 509 Book 6: SQL, XML, and JSON 523 Chapter 1: Using XML with SQL 525 Chapter 2: Storing XML Data in SQL Tables 553 Chapter 3: Retrieving Data from XML Documents 577 Chapter 4: Using JSON with SQL 595 Book 7: Database Tuning Overview 609 Chapter 1: Tuning the Database 611 Chapter 2: Tuning the Environment 623 Chapter 3: Finding and Eliminating Bottlenecks 645 Book 8: Appendices 675 Appendix A: SQL: 2016 Reserved Words 677 Appendix B: Glossary 683 Index 691