http://www.devshed.com Oracle - RSS Feeds en-us Thu, 26 Nov 2009 05:34:10 -0500 Thu, 26 Nov 2009 05:34:10 -0500 Tue, 21 Apr 2009 09:00:47 -0400 http://www.devshed.com/c/a/Oracle/Oracles-Turn-to-Play-in-the-Sun/?kc=rss - IBM was in talks to buy Sun, but after seeing the offering price, Sun cancelled IBMs exclusivity rights; this led IBM to withdraw its bid, opening the door for Oracle to step in. Oracle representatives say the deal will be completed early this summer. But what does this mean in terms of the futur...]]> http://www.devshed.com/c/a/Oracle/Oracles-Turn-to-Play-in-the-Sun/?kc=rss Tue, 22 Jul 2008 09:00:50 -0400 http://www.devshed.com/c/a/Oracle/Implementing-and-Using-Oracles-Restore-Point-Functionality/?kc=rss - Implementing/Using Oracle's Restore Point Functionality Restore points allow DBAs to create a label for a particular moment in the timeline of the database, eliminating the need to delve into the details of SCNs or to attempt to calculate the exact time transactions are occurring. In addition, a sp...]]> http://www.devshed.com/c/a/Oracle/Implementing-and-Using-Oracles-Restore-Point-Functionality/?kc=rss Thu, 20 Dec 2007 09:00:54 -0500 http://www.devshed.com/c/a/Oracle/Tuning-PLSQL-Code/?kc=rss - Analyzing Performance of PL/SQL Code Before you can tune your application, you need to figure out what is running slowly and where you should focus your efforts. Oracle and third-party vendors offer a variety of products to help you do this; generally they focus on analyzing the SQL statements in ...]]> http://www.devshed.com/c/a/Oracle/Tuning-PLSQL-Code/?kc=rss Thu, 13 Dec 2007 09:00:53 -0500 http://www.devshed.com/c/a/Oracle/Debugging-PLSQL-Code/?kc=rss - Debugging Tips and Strategies In this chapter, I do not pretend to offer a comprehensive primer on debugging. The following tips and techniques, however, should improve on your current set of error-fixing skills. Use a source code debugger The single most effective thing you can do to minimize...]]> http://www.devshed.com/c/a/Oracle/Debugging-PLSQL-Code/?kc=rss Thu, 06 Dec 2007 09:00:58 -0500 http://www.devshed.com/c/a/Oracle/Testing-PLSQL-Code/?kc=rss - Typical, Tawdry Testing Techniques Say that I am writing a big application with lots of string manipulation. Ive got a “hangnail” called SUBSTR; this function bothers me, and I need to take care of it. Whats the problem? SUBSTR is great when you know the starting location of a string and the num...]]> http://www.devshed.com/c/a/Oracle/Testing-PLSQL-Code/?kc=rss Thu, 29 Nov 2007 09:00:52 -0500 http://www.devshed.com/c/a/Oracle/Working-With-PLSQL-Code/?kc=rss - The $IF Directive Use the selection directive, implemented through the $IF statement, to direct the conditional compilation step in the preprocessor. Here is the general syntax of this directive: $IF Boolean-expressio n $THEN code-fragment [ $ELSEIF Boolean-expression ...]]> http://www.devshed.com/c/a/Oracle/Working-With-PLSQL-Code/?kc=rss Thu, 15 Nov 2007 09:00:53 -0500 http://www.devshed.com/c/a/Oracle/Conditional-Compilation-for-Oracle-Database-10g/?kc=rss - Conditional Compilation Introduced in Oracle Database 10g Release 2, conditional compilation allows the compiler to compile selected parts of a program based on conditions you provide with the $IF directive. Conditional compilation will come in very handy when you need to: Write a program ...]]> http://www.devshed.com/c/a/Oracle/Conditional-Compilation-for-Oracle-Database-10g/?kc=rss Thu, 08 Nov 2007 09:00:55 -0500 http://www.devshed.com/c/a/Oracle/CompileTime-Warnings-for-Oracle-DB-10g/?kc=rss - Warnings Available in Oracle Database 10g In the following sections, lets take a look at most of the compile-time warnings that were introduced in Oracle Database 10g Release 1. I will offer an example of the type of code that will elicit the warning and also point out some interesting behavior (w...]]> http://www.devshed.com/c/a/Oracle/CompileTime-Warnings-for-Oracle-DB-10g/?kc=rss Thu, 01 Nov 2007 09:00:54 -0400 http://www.devshed.com/c/a/Oracle/Compiling-PLSQL-Code-for-an-Oracle-Database/?kc=rss - Perform One-Time DBA Setup Native PL/SQL compilation is achieved by translating the PL/SQL source code into C source code that is then compiled on the same host machine running the Oracle server. The compiling and linking of the generated C source code is done by tools external to Oracle that are ...]]> http://www.devshed.com/c/a/Oracle/Compiling-PLSQL-Code-for-an-Oracle-Database/?kc=rss Thu, 25 Oct 2007 09:00:48 -0400 http://www.devshed.com/c/a/Oracle/Troubleshooting-PLSQL-Code/?kc=rss - Use program size to determine pinning requirements The USER_OBJECT_SIZE view gives you the following information about the size of the programs stored in the database: SOURCE_SIZE Size of the source in bytes. This code must be in memory during compilation (including dynamic/...]]> http://www.devshed.com/c/a/Oracle/Troubleshooting-PLSQL-Code/?kc=rss Thu, 18 Oct 2007 09:00:47 -0400 http://www.devshed.com/c/a/Oracle/Managing-PLSQL-Code/?kc=rss - Writing the code for an application is just one step toward putting that application into production and then maintaining the code base. It is not possible within the scope of this book to fully address the entire life cycle of application design, development, and deployment. We do have room, howeve...]]> http://www.devshed.com/c/a/Oracle/Managing-PLSQL-Code/?kc=rss Thu, 03 May 2007 09:00:47 -0400 http://www.devshed.com/c/a/Oracle/Data-Manipulation-and-More-for-HTML-DB-Applications/?kc=rss - Data Manipulation The Data Manipulation type processes are called declarative processes because the HTML DB engine will create processes from declarations provided by the developer. These processes perform inserts, updates, and deletes without the developer having to write the actual DML statement...]]> http://www.devshed.com/c/a/Oracle/Data-Manipulation-and-More-for-HTML-DB-Applications/?kc=rss Tue, 01 May 2007 09:00:47 -0400 http://www.devshed.com/c/a/Oracle/Oracle-Database-Fundamentals/?kc=rss - We will start with the widely used Oracle example of an employee information database. We can store all the information in a table like the one below where each row will represent an employee, and each column will represent employee attributes. ID First Name Last Name Address P...]]> http://www.devshed.com/c/a/Oracle/Oracle-Database-Fundamentals/?kc=rss Thu, 26 Apr 2007 09:00:46 -0400 http://www.devshed.com/c/a/Oracle/Adding-Processes-to-HTML-DB-Applications/?kc=rss - Processes Processes are the heart of an HTML DB application when it comes to making the application more than just another HTML application. The primary purpose of processes is to interact with the database, but other types of processes are also available to the developer. Most of the time process...]]> http://www.devshed.com/c/a/Oracle/Adding-Processes-to-HTML-DB-Applications/?kc=rss Thu, 19 Apr 2007 09:00:47 -0400 http://www.devshed.com/c/a/Oracle/Adding-Computations-Processes-and-Validations/?kc=rss - Validations, computations, and processes are the mechanism by which the developer implements business logic. We have seen processes that have been created for us by the multitude of wizards within HTML DB some to populate fields, some to process changes to a record, others to process multiple record...]]> http://www.devshed.com/c/a/Oracle/Adding-Computations-Processes-and-Validations/?kc=rss