sql - Access 2010 query to Delete where exists not working -


i have join 2 tables , delete 1 table rows not exists in second table. trying query below. should delete 7 records deletes entire persons table. 

delete persons.* persons exists (     select persons.[ir number],       persons.[last name],       persons.[first name],       persons.dob,       persons.[name type]     1 tblperson     right join persons       on (              iif(isnull([1tblperson].dob) = true, "01/01/9999", [1tblperson].dob) =               iif(isnull(persons.dob) = true, "01/01/9999", persons.dob)          )         , ([1tblperson].firstname = persons.[first name])         , ([1tblperson].lastname = persons.[last name])         , ([1tblperson].nametypelit = persons.[name type])         , ([1tblperson].incinmbr = persons.[ir number])     (         (           (persons.[ir number]) in (             select [qryincinmbrsfordelete] ! [incinmbr]             [qryincinmbrsfordelete]             )           )         , (           (persons.[last name]) not in (             "unknown",             "unk",             "uknown"             )           )         , ((isnull([1tblperson].[incinmbr])) = true)         )     ) = true;

edit:

in example... 1, doe, john, 1/1/1960, cust deleted

1tblperson: 

incinmbr last name first name dob      nametype  1        doe       jon        1/1/1960 cust  1        smith     john       2/2/1965 emp  1        jones     jay        3/3/1965 cust

persons: 

incinmbr last name first name dob      nametype  1        doe       jon        1/1/1960 cust  1        smith     john       2/2/1965 emp  1        jones     jay        3/3/1965 cust  1        doe       john       1/1/1960 cust

the problem you're not telling delete statement delete persons, you're telling delete if sub-query returns results (and understand it, you're expecting return 7?)

if can provide more information keys, can give full solution.


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