MYSQL SUM Value -


i have 2 table :

table structure "kegiatanrenja"

idkegiatan  tahun koderekening   detail renja001    2001  1.03.03.04.1     renja002    2001  1.03.03.03.2     b renja003    2001  1.08.08.05.3     c renja004    2001  1.08.08.05.2     d

table structure "sumberdana"

idkegiatan    nilai   kodesumberdana renja001      100     1 renja002      200     2 renja003      50      1 renja004      100     1

i want create query displays value of columns "nilai" if mid (koderekening, 9,2) same value, along value of column, each row in group each row in group mid (koderekening, 9,2).

kode rekening      nilai_group(sum of value same kode mid(koderekening,9,2)  1.03.03.04         300                                                          1.08.08.05         150

please help, every suggestion appreciated.

select    left(koderekeneing,0,10), sum (nilal)       kegiatanrenja k  join      sumberdana s on s.idkegiatan = k.idkegiatan  group  mid(koderekening,9,2) union select    'all', sum (nilal)       kegiatanrenja k  join      sumberdana s on s.idkegiatan = k.idkegiatan

please note, very easy, if asking sort of question on stack lot, going receive negative response. please sql book , studying.


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