On Mon, 21 Mar 2011 11:51:27 +0100
Johan De Taeye <johan.de.ta...@gmail.com> wrote:
> insert into lookup (name) values ('AAA');
>
> select * from lookup where name like 'A%';
> => 1 record returned. OK
>
> select * from lookup where name like 'A' || '%';
> => returns nothing. INCORRECT!
The query is incorrect. The OR switch does not act as an ellipsis, and does not
apply both values to the LIKE. You need to write LIKE X OR LIKE Y, as
select * from lookup where name like 'A' || or name like '%';
> select * from lookup where name like ('A' || '%');
> => same as previous and returns nothing. INCORRECT!
Again correct, you tried to match `name` against boolean TRUE (the evaluation
of you expression).
>
> Best regards,
>
> Johan
--
Simcha Younger <sim...@syounger.com>
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