Скачать или смотреть Oracle Reports | How To Develop Report Using Report Trigger | Bangla R-21

Oracle Reports | How To Develop Report Using Report Trigger | Bangla R-21
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Dear viewer, In this tutorial you will learn How To Develop Report Using Report Trigger and also know about Triggers in Oracle Reports.
Types Of Triggers:
We can code PL/SQL in a variety of triggers in a report to provide conditional or additional processing at run times.
There are three Trigger types in Oracle Reports, such as:
Report
-Five Triggers
Data Model
-Parameter validation
Layout
-Format trigger
Report Trigger:
Report triggers enable you to execute PL/SQL functions at specific times during the execution and formatting of your report.
The function must return a Boolean value (TRUE or FALSE).
Using this triggers, You can do things such as -customize the formatting of your report
-perform initialization tasks
-and access the database.
To create or modify a report trigger, you use the Report Triggers node in the Object Navigator.

Types Of Report Trigger:
Oracle Reports has five global report triggers. You cannot create new global report triggers,
such as:

Before Parameter Form trigger
After Parameter Form trigger
Before Report trigger
Between Pages trigger
After Report trigger

Before Parameter Form trigger:
-It is fire before opening the parameter form
After Parameter Form trigger:
-It is fire after closing the parameter form
Before Report trigger:
-It is fire before opening the report output
Between Pages trigger:
-It is fire for each and every page except first page.
After Report trigger :
-It is fire after closing the report output

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