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Use reports profile executable statement.
Use SQL trace facility.
52. 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.
53. What are the various methods of performing a calculation in a
report ?
1. Perform the calculation in the SQL statements itself.
2. Use a calculated / summary column in the data model.
54. Which of the above methods is the faster method?
performing the calculation in the query is faster.
55. 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
than after retrieving the data.
56. What is the main diff. bet. Reports 2.0 & Reports 2.5?
Report 2.5 is object oriented.
57. What is the diff. bet. setting up of parameters in reports 2.0
reports
2.5?
LOVs can be attached to parameters in the reports 2.5 parameter form.
58. How is link tool operation different bet. reports 2 & 2.5?
In Reports 2.0 the link tool has to be selected and then two fields
to be
linked are selected and the link is automatically created. In 2.5 the
first
field is selected and the link tool is then used to link the first
field to
the second field.
REPORT 2.5 SPECIFIC ISSUES.
59.What
are
the
two
types
views
available
in
the
object
navigator(specific
to report 2.5)?
View by structure and view by type .
60. Which of the two views should objects according to possession?
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