sql - Updating a table with a Foreign Key from another table - MS Access -


i trying update field on table foreign key in table. have used left join when run statement, confirms number of rows updated cannot find fields in destination table being updated.

update tblstagingtable left join tblapprovals      on tblstagingtable.approval_id = tblapprovals.approval_id    set tblstagingtable.approval_id = [tblapprovals].[approval_id]  (((tblstagingtable.fiscal_year)="2017-2018"));


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