November 2001
Intermediate to advanced
496 pages
13h 51m
English
Content preview from Java Programming with Oracle JDBCBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Wait for the Cure
One way of solving a problem is to simply wait for the cure. With each new release of Oracle’s JDBC drivers, new features are added. Functionality you desire may not yet exist, but it may arrive in the near future. So let’s look at useful features you’ll find in Oracle8i 8.1.7 and Oracle9i.
Oracle8i Release 3 (Version 8.1.7) Features
With Release 3 of Oracle8i, several new features have been added to Oracle’s JDBC support. Here’s a short list showing some of the more important ones:
- Statement caching
SQL statements are cached to prevent the overhead of repeated cursor creation.
- Access to scalar-based PL/SQL tables
You can now pass PL/SQL tables created with scalar data types as OUT parameters in stored procedures.
- Complete XA support
XA Recover and XA Forget methods are implemented.
- Fixed wait scheme for connection caching
This new scheme makes a requestor wait indefinitely if the maximum limit has been reached for a connection pool.
- Thin driver 56-bit Encryption
The Thin driver now supports 56-bit encryption.
Oracle9i Features
Oracle8i Release 3 is the last update to Oracle8i. Oracle9i is just out, with improvements to object-relational SQL that allow you to move your application’s object model into the database. Here’s a short list of Oracle9i’s more important enhancements and new features:
- Support for Unicode with NCHAR datatypes
JDBC drivers can measure strings the same way users do, using UCS-2 semantics. The NCHAR types are redefined to hold Unicode data.
- Support for object ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.