Under what circumstances would you code a SELECT construct
instead of IF statements?
Answers were Sorted based on User's Feedback
Answer / sumalatha.ch
select statement is reduced cpu time.and make the programme
easier to read and debug
Is This Answer Correct ? | 2 Yes | 0 No |
Answer / 3nadh
Select Statement executes one of several statements or
group of statements.
If Statement :- Continues processing only those obs that
meet the condition.
Is This Answer Correct ? | 0 Yes | 3 No |
Answer / jothi sankar
--> When renaming of varibales during getting data itself,
--> new varible creation by combining already existing
varibales(eg: Name = FName + LName) to reduce memory usage
--> When nested conditions are less and getting more %
records from base
Is This Answer Correct ? | 0 Yes | 4 No |
what is slowly changing dimension? : Sas-di
whenever we using the merging through data set merging ,we can get note in log like this "MERGE STATEMENT HAS MORE THAN ONE ONE DATASET BY REPEATED BY VAIABLES" but the output has come in good manner,whenever in in sql(full join) we can get cartion product.so How do overcome this problem in sql?
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