>>>I need a function that tells me that a character expression is a keyword, that is, a reserved word in VFP.
>>>
>>>I allow some limited changes to table structure and indexes. I need to check if the users has entered a reserved word for either.
>>>
>>>These can cause problems with SQL statements etc.
>>>
>>>If I have to write one does anyone have a table of reserved or Keywords?
>>
>>In general the keywords that SQL chokes on are not VFP keywords, but SQL keywords. You can avoid 99% of problems by makin sure fields are not SQL keywords:
>>
>>FUNCTION isSQLKeyWord
>>tcWord
>>tcWord = UPPER(ALLTRIM(tcWord))
>>
>>RETURN INLIST(tcWord, "SELECT", "FROM", "WHERE", "HAVING", "GROUP", "ORDER", "INTO","IN","BY","TOP","NOT","TABLE","CURSOR","ARRAY")
>
>You might be bettor off putting the keywords in a one-field table so you can add to it. NUMBER, SUM, COUNT, etc., are also bad for field names.

They are not too bad as long as table aliases are using in conjunction with field names, i.e. accurate coding is even more important.