MONTHS_ Between function use

MONTHS_BETWEEN (date1, date2)
Used to calculate date1 and date2 Between a few months . date1-date2

--  Every other month ： Time format   Result with decimal  16.516
SELECT MONTHS_BETWEEN('2022-05-28','2021-01-12')  

--  Every other month ： Month format   Result integer ：16
--  Method 1 ： Splicing 
SELECT MONTHS_BETWEEN(CONCAT(SUBSTR('2022-05-28',1,7),'-01'),
CONCAT(SUBSTR('2021-01-01',1,7),'-01'))
--  Method 2 ： Intercept 
SELECT CONCAT(SPLIT(MONTHS_BETWEEN('2022-05-28','2021-01-12')  ,"\\.")[0])

--  Every other month ： rounding  17
SELECT ROUND(MONTHS_BETWEEN('2022-05-28','2021-01-12') ,0)

--  Every other month , Round forward  16
SELECT FLOOR(MONTHS_BETWEEN('2022-05-28','2021-01-12') )

--  Every other month , Round back  17
SELECT CEIL(MONTHS_BETWEEN('2022-05-28','2021-01-12') )

--  With Chinese character format ：1 Years and 1.0 Months 
SELECT CONCAT(SPLIT(MONTHS_BETWEEN('2019-03-31','2018-02-28')/12,"\\.")[0]," Years and ",ROUND(MONTHS_BETWEEN('2019-03-31','2018-02-28')%12,1)," Months ");