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What is the purpose of the trailing @? The @@? How would you
use them?
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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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