An LOV is a scrollable popup window that provides the operator with either a single or multi column selection list.
An object group is a container for a group of objects; you define an object group when you want to package related objects, so that you copy or reference them in other modules.
3. What is the difference between OLE Server & OLE Container?
An Ole server application creates ole Objects that are embedded or linked in ole Containers ex. Ole servers are ms_word & ms_excel. OLE containers provide a place to store, display and manipulate objects that are created by ole server applications. Ex. oracle forms is an example of an ole Container.
4. What is coordination Event?
Any event that makes a different record in the master block the current record is a coordination causing event.
At the client.
7. Why is it preferable to create a fewer no. of queries in the data model?
Because for each query, report has to open a separate cursor and has to rebind, execute and fetch data.
8. Why is a Where clause faster than a group filter or a format trigger?
Because in a where clause the condition is applied during data retrieval, then after retrieving the data.
9. Give the sequence of execution of the various report triggers?
Before form , After form , Before report, Between page, After report.
10. What are the triggers available in the reports?
Before report, Before form, After form , Between page, After report.
11. What is bind reference and how can it be created?
Bind reference are used to replace the single value in sql, pl/sql statements a bind reference can be created using a (:) before a column or a parameter name.
12. What is the difference between boiler plat images and image items?
Boiler plate Images are static images (Either vector or bit map) that you import from the file system or database to use a graphical elements in your form, such as company logos and maps. Image items are special types of interface controls that store and display either vector or bitmap images. Like other items that store values, image items can be either base table items (items that relate directly to database columns) or control items. The definition of an image item is stored as part of the form module FMB and FMX files, but no image file is actually associated with an image item until the item is populate at run time.
13. What are different types of images?
Boiler plate images, Image Items
14. How can a cross product be created?
By selecting the cross products tool and drawing a new group surrounding the base group of the cross products.
15. How can a button be used in a report to give a drill down facility?
By setting the action associated with button to Execute pl/SQL option and using the SRW.Run_report function.
16. How is possible to restrict the user to a list of values while entering values for parameters?
By setting the Restrict To List property to true in the parameter property sheet.
17. How can I message to passed to the user from reports?
By using SRW.MESSAGE function.
18. How can a text file be attached to a report while creating in the report writer?
By using the link file property in the layout boiler plate property sheet.
19. How can a square be drawn in the layout editor of the report writer?
By using the rectangle tool while pressing the (Constraint) key.
20. How can values be passed between precompiler exits & Oracle call interface?
By using the statement EXECIAFGET & EXECIAFPUT.
21. How is it possible to select generate a select set for the query in the query property sheet?
By using the tables/columns button and then specifying the table and the column names.
Calls the user exit named in the user_exit_string. Invokes a 3Gl program by name which has been properly linked into your current oracle forms executable.
23. What is relation between the window and canvas views?
Canvas views are the back ground objects on which you place the interface items (Text items), check boxes, radio groups etc.,) and boilerplate objects (boxes, lines, images etc.,) that operators interact with us they run your form . Each canvas views displayed in a window.
24. What are the different types of Delete details we can establish in Master-Details?
Cascade Isolate Non-isolate
25. What are different types of canvas views?
Content canvas views Stacked canvas views Horizontal toolbar vertical toolbar.
26. What are the built-ins used for Creating and deleting groups?
CREATE-GROUP (function) CREATE_GROUP_FROM_QUERY(function) DELETE_GROUP(procedure)
27. What are the default parameter that appear at run time in the parameter screen?
Destype and Desname.
28. What is an anchoring object and what is its use?
An anchoring object is a print condition object which used to explicitly or implicitly anchor other objects to itself.
29. What is the use of break group?
A break group is used to display one record for one group ones. While multiple related records in other group can be displayed.
30. What is the use of hidden column?
A hidden column is used to when a column has to embed into boilerplate text.
31. What is the use of place holder column?
A placeholder column is used to hold calculated values at a specified place rather than allowing is to appear in the actual row where it has to appear.
32. How can a break order be created on a column in an existing group?
By dragging the column outside the group.
33. What are the various sub events a mouse double click event involves?
Double clicking the mouse consists of the mouse down, mouse up, mouse click, mouse down and mouse up events.
