SQL query to retrieve financial year data grouped by the year

Question

I have a database with lets assume two columns (service_date & invoice_amount). I would like to create an SQL query that would retrieve and group the data for each financial

Answer 1

to get data from April to March  ---

SELECT
CASE 
    WHEN MONTH(application_receiving_date)>=4 
    THEN concat(YEAR(application_receiving_date), '-',YEAR(application_receiving_date)+1) 
    ELSE concat(YEAR(application_receiving_date)-1,'-', YEAR(application_receiving_date)) 
END AS app_year,
from table_name 
GROUP BY app_year