Transient attribute can be used to calculate a value based on SQL expression. This may be very helpful, for example, you can use a transient attribute in “SCOTT.EMP” Entity object definition to get name of the department for all employees. Continue reading Using transient Attribute with “Derived from SQL Expression” in JDeveloper 11g
I want to share my first impression of ADF and I am sure everyone with Oracle Forms background will feel same. I have been working in oracle Forms and Reports for more than five years. I have development experience in Oracle Developer 6i/9i/10g and Forms, Reports 11g. After reading Oracle’s Statement of Direction for Forms and reports, I decided to learn ADF for web-based application development. Continue reading Oracle Application Development Framework (ADF) and Oracle Forms Developers
When client accesses Forms application for the first time, java run-time classes bundled in JAR files are downloaded to client JRE cache. These files include frmall.jar, frmwebutil.jar and jacob.jar. Cumulative size of these files is more than 2mb. Continue reading Minimizing Forms 11g Application’s First Time Startup overhead
Oracle Database Lite (olite) is small-scale database for small devices. Oracle Lite can be used in following two design patterns,
Whatever way is used, the data in the mobile is stored in small mobile database files with ODB and OBS extension. ODB file contains data while indexes are stored in OBS file. In olite version 10.2.0.1.0, all objects are stored in ODB file. Continue reading Create Oracle lite Database (odb) using olite Mobile Development Kit
Oracle Jinitiator is no longer compatible with oracle forms services. By default, Oracle Forms services 10g uses Jinitiator 1.3.1.22 to run Forms applications. Jinitiator was compatible with Internet Explorer 6 and Firefox version 2.0. Continue reading FireFox, IE crash with Forms 10g, Replace Jinitiator with JRE
If you have created an Entity object with a primary key field. The question is, how you will generate maximum serial no for primary key filed and where the logic will be placed? There are two methods to do this, using row level database trigger or using application level logic to obtain sequence no for primary key. Continue reading Sequence number for Primary key in oracle ADF, JDeveloper