What is the purpose of the trailing @? The @@? How would you
use them?
Answer Posted / vikas pherwani
@ is a column pointer holds the input record for the
execution of the next input statement
@@ if we have two relevant obs in same line we need to hold
that too we need double trailing either after taking first
value sas move to another line leaving the first.
Is This Answer Correct ? | 3 Yes | 0 No |
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