August 2000
Intermediate to advanced
348 pages
8h 51m
English
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Chapter 4. Advanced JDBC
The only thing that makes the device a quarter-detector rather than a slug detector or a quarter-or-slug detector is the shared intention of the device’s designers, builders, owners, users. It is only in the environment or context of those users and their intentions that we can single out some of the occasions of state Q as “veridical” and others as “mistaken.”
—Daniel C. Dennett, The Intentional Stance
Chapter 3, provides all the JDBC you absolutely need to know to build database applications. If you understand all of it and then put this book away, you will probably never feel like anything is missing. That is exactly how JDBC’s creators intended the API to feel. They wanted to provide a few simple interfaces to support the majority of what database programmers want to do. Extended and complex functionality appears in extra interfaces designed specifically to support that functionality.
Advanced JDBC programming supports advanced needs. These advanced needs break down into two categories: optimizations and extended functionality. This chapter dives into all of the extended functionality included in the JDBC Core API.
Prepared SQL
Each SQL statement you send to the database needs to be parsed by the database engine before it can actually be executed. When the database parses a SQL statement, it reads the SQL to determine what you want the database to do, and then it formulates a plan for carrying out your instructions. This processing is called building ...
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