Keywords DEFAULTand are CHARsupported only in the ANSI-92 ACE / Jet query mode (and then only in SQL DDL). As Jose Bazilio notes, it ADDis a reserved word and must be escaped using square brackets. In addition, you need the space between the word DEFAULTand its sentence (as Jose showed).
SQL Query MS Access, (ANSI-89 Query Mode) ANSI-92. . ANSI SQL.
, , DAO, CurrentProject.Connection.Execute "Sql ", CurrentProject.Connection ADO OLE DB .
P.S. , , HELLO.Mum:)