how to pass a null value in array while handling the loop

5 pts.
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Oracle
I need to update the table A.

In a given flatfile, the column to be updated in Table A is not available.

I have a declared a array and used a for loop to pass the value .But how to validate the null value in array while passing the value?I know decode is not possible. Is there any way?

 

Seetha

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