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| Running a Form Developer Application |
1. What is OC4J?
OC4J stands for Oracle Application Server Containers for J2EE is preferred to run Forms applications, included with Oracle Developer Suite to enable testing.
2. Write the Process to start and stop OC4J
On NT, run batch file to start OC4J: startinst.bat and to stop OC4J:stopinst.bat
3. What is JRE?
The Forms applet runs in a Java Runtime Environment (JRE) on the client machine.
4. Write the types of JRE. Ans: Types of JREs are following-
• Java-enabled browser(native)
• JInitiator
• Sun Java plug-in
5. write some data elements of Forms.
A Form application may contain different kinds of data elements:
• Prompts
• Text items
• Check boxes
• Boilerplate graphics
• Boilerplate text
• Display items
• List items
• Push buttons
• Radio group
6. What is java runtime environment?
The web browser can run a java applet because it provides a java runtime environment. However, not all web browsers are able to natively run the forms client. On windows platforms, oracle provides a plug-in called jinitiator that provides an alternative JRE capable of running the forms applet.
7.Rules of retrieving restricted data?
Rules of retrieving restricted data-
• Do not use quotation marks with character and date items.
• The like operator is implied with % or _.
• Use hash (#) in front of SQL operators.
• Use query/where for complex query conditions.
• Use default date format (DD-MM-RR) in query/where.
• Use double quotation marks around literals in query/where.
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