Write queries using little-known but powerful SQL features implemented in Oracle's database
engine. You will be able to take advantage of Oracle's power in implementing business logic
thereby maximizing return from your company's investment in Oracle Database products. Important
features and aspects of SQL covered in this book include the model clause row pattern matching
analytic and aggregate functions and recursive subquery factoring just to name a few. The
focus is on implementing business logic in pure SQL with a comparison of different approaches
that can be used to write SELECT statements to return results that drive good decision making
and competitive action in the marketplace. This book covers features that are often not well
known and sometimes not implemented in competing products. Chapters on query transformation
and logical execution order provide a grasp of the big picture in which the individual SQL
features described in the other chapters are executed. Also included are a discussion on when
to use the procedural capabilities from PL SQL and a series of examples showing different
mixes of SQL features being applied in common types of queries that you are likely to
encounter. What You Will Learn Gain competitive advantage from Oracle SQL Know when to step up
to PL SQL versus staying in SQL Become familiar with query transformations and join mechanics
Apply the model clause and analytic functions to business intelligence queries Make use of
features that are specific to Oracle Database such as row pattern matching Understand the pros
and cons of different SQL approaches to solving common query tasks Traverse hierarchies using
CONNECT BY and recursive subquery factoring Who This Book Is ForDatabase programmers withsome
Oracle Database experience. The book is also for SQL developers who are moving to the Oracle
Database platform or want to learn unique features of its query engine. Both audiences will
learn to apply the full power of Oracle's own SQL dialect to commonly encountered types of
business questions and query challenges.
