Oracle DBA Interview Questions Part 8

What are different types of modules available in oracle form? - Form module - a collection of objects and code routines Menu modules - a collection of menus and menu item commands that together make up an application menu library module - a collection of user named procedures, functions and packages that can be called from other modules in the application

What is the remove on exit property? - For a modeless window, it determines whether oracle forms hides the window automatically when the operators navigates to an item in the another window.

What is WHEN-Database-record trigger? - Fires when oracle forms first marks a record as an insert or an update. The trigger fires as soon as oracle forms determines through validation that the record should be processed by the next post or commit as an insert or update. Generally occurs only when the operators modifies the first item in the record, and after the operator attempts to navigate out of the item.

What is a difference between pre-select and pre-query? - Fires during the execute query and count query processing after oracle forms constructs the select statement to be issued, but before the statement is actually issued. The pre-query trigger fires just before oracle forms issues the select statement to the database after the operator as define the example records by entering the query criteria in enter query mode. Pre-query trigger fires before pre-select trigger.

What are built-ins associated with timers? - find_timer create_timer delete_timer

What are the built-ins used for finding object ID functions? - Find_group(function) Find_column(function)

What are the built-ins used for finding Object ID function? - FIND_GROUP(function) FIND_COLUMN(function)

Any attempt to navigate programmatically to disabled form in a call_form stack is allowed? - False

Use the Add_group_row procedure to add a row to a static record group 1. true or false? - False

Use the add_group_column function to add a column to record group that was created at a design time? - False

What are the various sub events a mouse double click event involves? - 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 & mouse up events.

How can a break order be created on a column in an existing group? - What are the various sub events a mouse double click event involves? - By dragging the column outside the group.

What is the use of place holder column? - What are the various sub events a mouse double click event involves? - 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.

What is the use of hidden column? - What are the various sub events a mouse double click event involves? - A hidden column is used to when a column has to embed into boilerplate text.

What is the use of break group? - What are the various sub events a mouse double click event involves? - A break group is used to display one record for one group ones. While multiple related records in other group can be displayed.

What is an anchoring object & what is its use? - What are the various sub events a mouse double click event involves? - An anchoring object is a print condition object which used to explicitly or implicitly anchor other objects to itself.

What are the various sub events a mouse double click event involves? - 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 & mouse up events.

What are the default parameter that appear at run time in the parameter screen? - What are the various sub events a mouse double click event involves? - Destype and Desname.

What are the built-ins used for Creating and deleting groups? - CREATE-GROUP (function) CREATE_GROUP_FROM_QUERY(function) DELETE_GROUP(procedure)

What are different types of canvas views? - Content canvas views Stacked canvas views Horizontal toolbar vertical toolbar.

What are the different types of Delete details we can establish in Master-Details? - Cascade Isolate Non-isolate

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.

What is a User_exit? - 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.

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.

How can values be passed between precompiler exits & Oracle call interface? - By using the statement EXECIAFGET & EXECIAFPUT.

How can a square be drawn in the layout editor of the report writer? - By using the rectangle tool while pressing the (Constraint) key.

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.

How can I message to passed to the user from reports? - By using SRW.MESSAGE function.

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.

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.

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.