Hi,

> <identifier chain> ::=
> <identifier> [ { <period> <identifier> }... ]
>
> <relation name> ::=
> [ <schema name> <period> ] <qualified identifier>
>
> <schema name> ::=
> [ <catalog name> <period> ] <identifier>
>
> <catalog name> ::=
> [ <datasource name> <period> ] <identifier>

btw, I think <catalog name> can been seen as our database aliasses.

Regards,
Arno Brinkman
ABVisie

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