Re: simple VIEW questions

John M Forbes wrote:
>
> Here's the requirement:
> Another product will be accessing the Oracle database via SQLnet.
> It requires a single table/view with a primary key.
> I am building a view for it to use from two tables.
> Each table has a numeric primary key.
> So I'm doing something like:
>
> create view foo (primary key mykey, boo, goo)
> as
> select (convert(varchar(16), tbl1.pkey) + convert(varchar(16), tbl2.pkey)),
> tbl1.field1, tbl2.field2
> from tbl1, tbl2
>
> I'm getting a 'missing expression' on the 'select' line.
> a) is my syntax bust?

  Yes

> b) is the approach bust? (i.e. making a primary key this way)

  Yes

> d) do views support [synthesized] primary keys?

  It is based on the base tables.

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Name   : Lun Wing San (Certified Oracle Database Administrator)

Title  : Oracle Database Administrator and System Administrator of QRC
Phone  : (852)27885841

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