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Oracle Forms 3.0 Interview Questions & Answers - Learning Mode

Oracle Forms 3.0 Interview Questions & Answers - Learning Mode

Oracle Forms is a software product for creating screens that interact with an Oracle database. It has an IDE including an object navigator, property sheet and code editor that uses PL/SQL. It was originally developed to run server-side in character mode terminal sessions. Oracle Forms Developer is used to develop a form that can access an Oracle database and present the data. Wizards and utilities are provided to speed up application development. The source form (*.fmb) is created and compiled into an "executable" (*.fmx).

Try Oracle Forms 3.0 Interview Questions & Answers - Exam Mode

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Oracle Forms 3.0 Interview Questions & Answers - Learning Mode
Try Oracle Forms 3.0 Interview Questions & Answers - Exam Mode
Question: What is the difference between NAME_IN and COPY ?

Answer: Copy is package procedure and writes values into a field.
Name in is a package function and returns the contents of the variable to which you apply. Source:
Question: Classify the restricted and unrestricted procedure from the following.
a. Call
b. User-Exit
c. Call-Query
d. Up
e. Execute-Query
f. Message
g. Exit-From
h. Post
i. Break

Answer: a. Call - unrestricted
b. User Exit - Unrestricted
c. Call_query - Unrestricted
d. Up - Restricted
e. Execute Query - Restricted
f. Message - Restricted
g. Exit_form - Restricted
h. Post - Restricted
i. Break - Unrestricted. Source:
Question: What is the difference between system.current_field and system.cursor_field ?

Answer: 1. System.current_field gives name of the field.
2. System.cursor_field gives name of the field with block name. Source:
Question: What is the difference between a POST-FIELD trigger and a POST-CHANGE trigger ?

Answer: Post-field trigger fires whenever the control leaving from the filed.
Post-change trigger fires at the time of execute-query procedure invoked or filed validation status changed. Source:
Question: What is the maximum size of a form ?

Answer: 255 character width and 255 characters Length. Source:
Question: A query fetched 10 records How many times does a PRE-QUERY Trigger and POST-QUERY Trigger will get executed ?

Answer: PRE-QUERY fires once.
POST-QUERY fires 10 times. Source:
Question: What is a Trigger ?

Answer: A piece of logic that is executed at or triggered by a SQL *forms event. Source:
Question: Committed block sometimes refer to a BASE TABLE ?

Answer: False Source:
Question: What is the difference between key startup and pre-form ?

Answer: Key-startup trigger fires after successful navigation into a form.
Pre-form trigger fires before enter into the form. Source:
Question: How do you control the constraints in forms ?

Answer: Select the use constraint property is ON Block definition screen.
BLOCK Source:
Question: Can we use GO-BLOCK package in a pre-field trigger ?

Answer: No Source:
Question: Identify package function from the following ?
1. Error-Code
2. Break
3. Call
4. Error-text
5. Form-failure
6. Form-fatal
7. Execute-query
8. Anchor View
9. Message_code

Answer: 1. Error_Code
2. Error_Text
3. Form_Failure
4. Form_Fatal
5. Message_Code Source:
Question: What does an on-clear-block Trigger fire?

Answer: It fires just before SQL * forms the current block. Source:
Question: What are the unrestricted procedures used to change the popup screen position during run time ?

Answer: Anchor-view
Resize -View
Move-View. Source:
Question: EXIT_FORM is a restricted package procedure ?
a. True b. False

Answer: True Source:
Question: How does the command POST differs from COMMIT ?

Answer: Post writes data in the form to the database but does not perform database commit Commit permanently writes data in the form to the database. Source:
Question: What are the types of TRIGGERS ?

Answer: Block Processing

Question: While specifying master/detail relationship between two blocks specifying the join condition is a must ? True or False. ?

Answer: True Source:
Question: State the order in which these triggers are executed ?

Question: How can you execute the user defined triggers in forms 3.0 ?

Answer: Execute Trigger (trigger-name) Source:

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