what is the out put of below queries?
a. select * from Emp where null = null;
b. select * from Emp where 1=1;
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Answer Posted / jay vardhan singh
select * from Emp where null = null;
null can not be equal to null.So,Condition is not satisfied.
So,it will give only column name.
select * from Emp where 1=1;
1 is always equal to 1.So,Condition is satisfied ,So It
will give all data which is present in table.
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