ms access - NOT IN condition in SQL -

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can tell me exact syntax not in condition in sql on 2 columns.

this query written in vba.

strnewsql = "select distinct(tblrevrellog_detail.partnumber), tblrevrellog_detail.changelevel, tblrevrellog_detail.id tblrevrellog_detail left join tbleventlog on tblrevrellog_detail.partnumber = tbleventlog.partnumber"  strnewsql = strnewsql & " (tbleventlog.partnumber) not in(select tbleventlog.partnumber tbleventlog tbleventlog.eventtypeselected = 'pn removed wrapper') , tbleventlog.trackingnumber = """ & temptrackingnumber & """ , tbleventlog.trackingnumber =  tblrevrellog_detail.revreltrackingnumber;"

i want change sub query like, should apply on combination of 2 columns follows:

strnewsql = "select tblrevrellog_detail.partnumber, tblrevrellog_detail.changelevel, tblrevrellog_detail.id tblrevrellog_detail left join tbleventlog on tblrevrellog_detail.partnumber = tbleventlog.partnumber"  strnewsql = strnewsql & " (((tbleventlog.partnumber, tbleventlog.partnumberchglvl) not in(select tbleventlog.partnumber,tbleventlog.partnumberchglvl tbleventlog tbleventlog.eventtypeselected = 'pn removed wrapper') , tbleventlog.trackingnumber = """ & temptrackingnumber & """ , tbleventlog.trackingnumber =  tblrevrellog_detail.revreltrackingnumber);"

but not working.....

you can't use in more 1 column can achieve same effect using exists:

select * tbl1 not exists (     select *     tbl2     tbl2.col1 = tbl1.col1         , tbl2.col2 = tbl1.col2 )

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