oracle11g - ORA-00936: missing expression(UPDATED) -

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oracle11g - ORA-00936: missing expression(UPDATED) -

update tbl_train_list set seat=t.total (select anam.name,anam.seat,anam2.train_name, anam2.seat, anam2.seat - anam.seat total tbl_passenger anam, tbl_train_list anam2 anam.no=anam2.id ) t tbl_train_list.id=tbl_passenger.no;

that syntax doesn't looks correct. seek changing query below

update (select anam.name, anam.seat newseat, anam2.train_name, anam2.seat, anam2.seat - anam.seat total tbl_passenger anam inner bring together tbl_train_list anam2 on anam.no = anam2.id ) t set t.newseat = t.total;

oracle11g

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