Oracle SQL Revealed

All database engines provide features not implemented by competing products. Oracle Database as the world's market-leading database engine possibly provides the most such features, and this book gives developers what they must know in order to take full advantage of their organizations investment in Oracle Database technology. This book covers important features in Oracle SQL that are commonly overlooked, that provide real value and competitive advantage for those willing to learn and apply them.

Guides you in using analytic functions, the model clause, row pattern matching, and other powerful features in Oracle SQL Helps you find competitive advantage through built-in features that are commonly overlooked Assists you in choosing when to take a procedural approach in PL/SQL Provides examples showing the power of Oracle SQL applied to real-life tasks Presents in-depth analysis of joins, which is one of the most important SQL features

Autorentext
Alex Reprintsev has more than 10 years of experience in database development using various databases, including Oracle, Microsoft SQL Server, MySQL, DB2, and modern SQL engines for Big Data such as Hive and Impala. He has successfully delivered applications for various customers covering different workload types such as OLTP, OLAP, and mixed workloads. During his journey, Alex has faced a number of challenges related to implementing business logic and tuning SQL for performance. He believes details really do matter, and that it is important to know and exploit the full feature set of whatever database engine you choose to build your business around.

Inhalt

Part I: Features and Theory.- .- 1. Joins.- 2. Query Transformations.- 3. Analytic Functions.- 4. Aggregate Functions.- 5. Hierarchical Queries: CONNECT BY.- 6. Recursive Subquery Factoring.- 7. Model.- 8. Row Pattern Matching: match_recognize.- 9. Logical Execution Order of Query Clauses.- 10. Turing Completeness.- .- Part II: PL/SQL and Patterns.- 11. When PL/SQL is Better.- 12. Solving SQL Quizzes.- Appendix A: Useful Oracle Links.