what will be the output of the below given query, if no
matching records are found : (a.) 0 (b.) null (c.) error
select Avg(salary)
from TableA
where Deptno = 'insurance'
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Answer Posted / pankaj
ans is a) ZERO
the anser is ZERO because there is no record in the table
they can shows the zero value present in the table
0 record is selected
message is disply
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