Modules & VBA :: Running Query With No Lock

I am running delete and update queries using docmd.runsql. I am finding that particularly after the update query is ran the record is locked and other field in that record can not be updated via a form without a warning saying another user has made changes to the record. To be more specific -- I have a vendor table which has fields vendorname, vendorstreet, vendorcity, vendoraddress. A form is used to place a street address to the vendorname. onexit of the street textbox an update query is ran using DoCmd.RunSql updateing the vendoraddress field to an 'X'. When I put the city in and then close the form this is when the error occurs stating that another user has made changes to the record. My thought is that the update query has not unlocked the record. The customer wants the X to be placed in the field without his manually placing it in the field.