Answer / sergii

DATEDIFF(expr1,expr2)

DATEDIFF() returns expr1 – expr2 expressed as a value in
days from one date to the other. expr1 and expr2 are date
or date-and-time expressions. Only the date parts of the
values are used in the calculation.

mysql> SELECT DATEDIFF('1997-12-31 23:59:59','1997-12-30');
-> 1
mysql> SELECT DATEDIFF('1997-11-30 23:59:59','1997-12-31');
-> -31

Answer / shwetha

There is a operator {not} BETWEEN ,we can use this in where
clause to get in between dates.
ex:
select count(column name)
from table1
where dates BETWEEN '01-jul-04' and '01-jul-05';

ru compare the 2 null values?

2 Answers   ACC,

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