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Hello guys, i want to know the main difference between oracle searched case & simple case statements?
1 difference I can c is, when using case <expression> when ….(i.e simple case), u’ll do an exact comparison (like a=b). e.g case <expression> when value1 then… when value2 then…etc (i.e ur checking if expression = value1 or expression = value2 & so on)
for case when <expression> then .. (i.e searched case), u’ll do at least 2 comparisons i.e >= x and <=y case when variable >= x & <=y then.. when variable between a and b then…
there may b other differences.. eager 2 know