wi_individual_g(ind_id,ind_name,ind_father_name,ind_spouse_name,is_employee,org_id,ind_dob,...)
wi_individual_p(ind_id,prg_id,...)
wi_program(prg_id,prg_name)
wi_group(grp_id,grp_name,...)
wi_organization(org_id,org_name,...)
wi_training(trn_id,trn_name,...)
wi_indv_org(ind_id,grp_id)
wi_indv_training(ind_id,trn_id)

Organization -> defined in wi_individual_g if is_employee='yes'
Group        -> defined in wi_indv_org
Training     -> defined in wi_indv_training
Program      -> defined in wi_individual_p

wi_individual_g
ind_id       ind_name ind_father_name ind_spouse_name is_employee   org_id
20150203000X    ABC         CDE             EFG           yes      2015040001
20150203000Y    ABC         CDE             EFG           yes      2015040001
20150203000Z    ABC         CDE             EFG           yes      2015040001

wi_indv_training
ind_id       trn_id
20150203000X  2015010001

wi_indv_org
ind_id         grp_id
20150203000Y  2015050001

1) Delete all duplicates from wi_individual_g except one
2) Update all other tables to one ind_id that are referenced by duplicate data