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Oracle Interview Questions And Answers
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Page 69 of 95
19. With which function of summary item is the compute at options required? percentage of total functions. 20. 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. 21.Can a formula column be obtained through a select statement? Yes. 22.Can a formula column refered to columns in higher group? Yes. 23. How can a break order be created on a column in an existing group? By dragging the column outside the group. 24. What are the types of calculated columns available? Summary, Formula, Placeholder column. 25. What is the use of place holder column? A placeholder column is used to hold a calculated values at a specified place rather than allowing is to appear in the actual row where it has to appeared. 26. What is the use of hidden column? A hidden column is used to when a column has to embedded into boilerplate text. 27. 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. 28. If two groups are not linked in the data model editor, What is the hierarchy between them? Two group that is above are the left most rank higher than the group that is to right or below it. 29.The join defined by the default data link is an outer join yes or no? Yes. |