mysql - select from two tables and group by a common column date in both tables -

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guys looked solution not problem grateful if have 3 tables term1,term2,term3 have identical columns adm,date, amountneeded,amountpaid, date format yyyy-mm-dd need retrieve total amountpaid 3 tables , group year

the result should be

year    total 2012    323000 2013    423000

try this

select tyear,sum(total) (       select datepart(yyyy,date) tyear ,sum(amountpaid) total        term1       group datepart(yyyy,date)       union       select  datepart(yyyy,date) tyear ,sum(amountpaid) total        term2       group datepart(yyyy,date)       union       select  datepart(yyyy,date) tyear ,sum(amountpaid) total        term1       group datepart(yyyy,date)    )a group tyear

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