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what is count(*) from po_vendors(any table)? what does it do
and
what is count(1) from po_vendors(any table)?
what is count(0) from po_vendors(any table)
the out put is same
what is the difference
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Answer Posted / bujji
select count(*) from temp1;
select count(1) from temp1;
select count(0) from temp1;
Above all 3 statements gives count (all are same) including
null vaues.
select count(Column_Name) from temp1;
Above statement gives the coulumn count witout null vaues.
| Is This Answer Correct ? | 3 Yes | 0 No |
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