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get number of days between two dates column in oracle sql?
we assume that first date is sysdate and second date is a column with name 'hire_date ' then use this query select trunc(sysdate) -to_date(hire_date,'yyyy-mm-dd') from dual .
we assume that first date is sysdate and second date is a column with name ‘hire_date ‘ then use this query
See lessWhat is the difference between i++ and ++i in Java?
They both increment the number with value 1 but but ++i increment the number before the current expression is evaluted, whereas i++ increment the number after the expression is evaluated for example int i=5; int z=i++; //z equals 5 here int x=++i; //x equals 6 here
They both increment the number with value 1
but but ++i increment the number before the current expression is evaluted, whereas i++ increment the number after the expression is evaluated
for example
int i=5;
int z=i++; //z equals 5 here
int x=++i; //x equals 6 here
See less