>>>The letter A was used in a sql-select. Let me PINS (reverse of SNIP) it here once more:
>>>

select distinct ttod( a.from ) from ( lcFile ) a into array laTmp

>>>Tamar was referring to this usage. For the sake of the eventual discussion, let's limit the debate to whether or not it's 'allowed' (according to the idea of 'superb standards') in sql-select statements. The arguments you both gave against usage are not valid for usage in sql-selects, IMO.
>>
>>This is exactly the usage that can get you in trouble. If you have a table already open in workarea 1, there can be confusion as to what a. refers to in the query.
>
>No confusion possible ... simply because you can see the A being declared in the sql-select statement.

But if you already have a table open in workarea 1 (which is also workarea A), then there's confusion between that workarea and the one in the query.

Tamar