Oracle Reports Interview Questions & Answers Part-1


Questions:
  • Interview Questions on Oracle Reports Part-1
  • Oracle Reports - Technical Interview Questions & Answers
  • D2K Technical Interview Questions And Answers Part-1

1. How many different layouts are available in Reports?

Ans: There are eight different layout formats:
1. Tabular
2. Form Like
3. Form Letter
4. Mailing Label
5. Group Left
6. Group Above
7. Matrix
8. Matrix with group

2. How many different triggers are available in Report?

Ans: There are five types of triggers in report 6i
1) Before report trigger
2) After report trigger
3) Before Parameter trigger
4) After parameter trigger
5) Between pages trigger
  
3.What is the Firing sequence of report trigger?

Ans: The reports triggers are fired in the following sequence.

*Before Parameter Form
* After Parameter Form
* Before Report
* Between Pages
* After Report

4. What is the difference between After Parameter Trigger and Before Report Trigger?

Ans:
After parameter Trigger: It will fire after the parameter form is displayed.here we can do validation on parameter values.

Before Report Trigger: It will fire before the report is executed and after the query is parsed and date is fetched.

5. What is the Format Trigger?

Ans: Format Trigger is a PL/SQL function. This trigger is going to fire before an object is printed in report output. it return boolean-true then go to print -false then don't print.

6. What happens when Flex mode is on ?

When flex mode is on, reports automatically resizes the parent when the child is resized.

7. What happens when confine mode on ?

When confine mode is on, the object cannot be moved outside its parent in the layout. 

8. What is a lexical parameter?

Lexical Parameter is used to replace the where, order by conditions at run time.

9. What are bind variables?

Bind variables are used in oracle reports  for replacing the single parameter in the select statement.

10. What is the minimum number of groups required for a matrix report?

The minimum of groups required for a matrix report are 4

11. What is the use of an Anchor in Reports?

Anchor is used to make fixed distance between two objects in Reports Layout.

12. What is the difference between Frame and Repeating Frame?

Frames are used to surround other objects and protect them from being overwritten or pushed by other objects. For example a frame might be used to surround all objects owned by a group to surround column headings or to surround summaries.

When you default the layout for a report Report Builder creates frames around report objects as needed; you can also create a frame manually in the Layout Model view.

Repeating frames surround all of the fields that are created for a group’s columns. The repeating frame prints (is fired) once for each record of the group. 

When you default the layout for a report Report Builder creates repeating frames around fields as needed; you can also create a repeating frame manually in the Layout Model view.

13. What are different types of column in reports?

There are three types of columns in Oracle report:
1) Placeholder Column: Placeholder column is used to store a value for a variable.
2) Formula Column:  Used For doing mathematical calculations and returning one value
3) Summary Column: The summary columns perform aggregate functions such as SUM, COUNT, MAX, MIN, AVG, and the like.

14. Can u have more than one layout in report?

It is possible to have more than one layout in a report by using the additional layout option in the layout editor.

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Oracle Apps Guy: Oracle Reports Interview Questions & Answers Part-1
Oracle Reports Interview Questions & Answers Part-1
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