>Can I use the following sql statement to create sql view:
>'CREATE SQL VIEW MYVIEW AS SELECT * FROM MYTBL WHERE MYFIELD=Thisform.value'

Nope, do this instead:

CREATE SQL VIEW MYVIEW AS SELECT * FROM MYTBL WHERE MYFIELD= ?lcValue

Then, before you requery() or use the view, you can define lcValue to whateer you'd like. If it doesn't exist, it won't blow either, but it will pop up and ask you for a value.