MS Access 2013 ODBC connected to Oracle

I have 2 tables that I am connecting together in my MS Access 2013 query which runs by way of ODBC for Oracle,
In the query I need to link 2 tables

Below is the statement I am having trouble with:

from v_sfs_txn v left outer join ALFS_JOURNAL_VOUCHER ajv

In the query document_num is connected to journal_voucher_number  

The problem occurs when I try to run the query because the field  document_num is a SHORT TEST field
and the journal_voucher_number is a number,

I get an error message "Type mismatch in expression" and the query will not run.

There is no problem when this is run from Toad in Oracle.

Question: How can I convert the field "Document_num" from short text to a numeric value in the query so that the query will run from MS Access.

Thank you for your asistance.
Lou DufresneIT Business Analyst CSM / Project ManagerAsked:
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Walter RitzelSenior Software EngineerCommented:
Use CInt or CLng, like in this:
where ... CLng(document_num) = journal_voucher_number

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Lou DufresneIT Business Analyst CSM / Project ManagerAuthor Commented:
Thank you for your assistance

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