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  3. December 2009

Re: Select client from clients where name<>OK

David FOXWELL wrote:

Well, it's really quite simple. I've put a contrôle in an
RPG program so that users can't put certain characters in
the names of clients.

I wanted to run the SQL using the same characters to get
all those clients which have one of these characters in
their name. After installation of the control, if a user
tries to work with one of these clients, he will be
obliged to correct the name before going any further.

SELECT * from clients
where translate( name
, ' '
, '-ABCDEFGHIJKLMNOPQRSTUVWXYZ&'''
) <> ' '

Notice they added the hyphen and the apostrophe, no
accents, no numbers, no *,etc. This listed 5400 clients.


FWiW the given expression can be applied to the table as a CHECK CONSTRAINT if the rule [for what characters can be included in the string] is important to enforce outside of the noted RPG program control.

Regards, Chuck

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