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ORACLE Interview Questions and Answers
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(Continued from previous part...)
147. An open form can not be execute the call_form procedure if you chain of called forms has been initiated by another open form?
True
148. Explain about horizontal, Vertical tool bar canvas views?
Tool bar canvas views are used to create tool bars for individual windows. Horizontal tool bars are display at the top of a window, just under its menu bar. Vertical Tool bars are displayed along the left side of a window
149. What is the purpose of the product order option in the column property sheet?
To specify the order of individual group evaluation in a cross products.
150. What is the use of image_zoom built-in?
To manipulate images in image items.
151. How do you reference a parameter indirectly?
To indirectly reference a parameter use the NAME IN, COPY 'built-ins to indirectly set and reference the parameters value' Example name_in ('capital parameter my param'), Copy ('SURESH','Parameter my_param')
152. What is a timer?
Timer is an "internal time clock" that you can programmatically create to perform an action each time the times.
153. What are the two phases of block coordination?
There are two phases of block coordination: the clear phase and the population phase. During, the clear phase, Oracle Forms navigates internally to the detail block and flushes the obsolete detail records. During the population phase, Oracle Forms issues a SELECT statement to repopulate the detail block with detail records associated
with the new master record. These operations are accomplished through the execution of triggers.
154. What are Most Common types of Complex master-detail relationships?
There are three most common types of complex master-detail relationships:
master with dependent details
master with independent details
detail with two masters
155. What is a text list?
The text list style list item appears as a rectangular box which displays the fixed number of values. When the text list contains values that can not be displayed, a vertical scroll bar appears, allowing the operator to view and select undisplayed values.
156. What is term?
The term is terminal definition file that describes the terminal form which you are using r20run.
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