I have a query that joins several table with some restrictions.
I want to take out those restrictions from the query and create a view
that does not show the fields that are used to restrict the data, but in
some way, i can restrict that data when i call the view.
Is it possible to hide some fiel
I have a view over a join of tables and when it's performed over the
view a delete i want to delete records in two different tables. The code
that i wrote was:
CREATE RULE "deletetables" AS ON DELETE TO "tables"
DO INSTEAD (
DELETE FROM table2
WHERE id = OLD.
Gerald Gutierrez <[EMAIL PROTECTED]> writes:
> I'd like to get the row with ID=4. I've tried:
> SELECT * FROM mytable WHERE id=(SELECT MAX(id) FROM mytable);
> The subquery can take a /really/ long time on a table that is large. The query:
> SELECT * FROM mytable ORDER BY id DESC LIMIT 1;
> doesn'
Hi All,
The index created by me is not being used while doing
select. I found that out by using the EXPLAIN. For
example:
Table department has
dept_num
dept_desc
Table 'employee' looks like this:
emp_num primary key,
emp_name,
dept_num (this i
On Fri, 8 Jun 2001, Subra Radhakrishnan wrote:
> Hi All,
>
> The index created by me is not being used while doing
> select. I found that out by using the EXPLAIN. For
> example:
>
> Table department has
>
> dept_num
> dept_desc
>
>
> Table 'employee' looks like this:
>