Hi guys I have a table that I want to use to queue singers.
the table is called queue what I need to happen when I press a button on my page is to go through the table q find the smallest id and update to 1 greater the the largest id but I can't seem to get the syntax right ...tried many ways but am stuck. The id field auto increments.
thanks in advance for any advice
SET `id` = MAX(id) + 1
WHERE `id` = MIN(id);
not sure if doing what you are thinking is really queuing artists in the proper way?
create table #queue(id int, artistname varchar(50))
insert into #queue
select object_id, name from sys.objects where object_id between 1 and 10
select * From #queue order by id
SET tgt.id = big_kauna.tuna
from #queue tgt
cross apply (select MAX(id) + 1 as tuna from #queue) big_kauna
WHERE id in (select MIN(id) from #queue);
select * From #queue order by id asc
drop table #queue
Hi thank you for the reply but that all seems quite confusing for what I was trying to accomplish Ive looked over the code but know very little sql....the update tgt ... I dont understand what that is. I will look into it further Ty
i just added a sample data for you to see how to do it and test it. but in your case you would do the following
SET tgt.id = src.plusone
from queue tgt
cross apply (select MAX(id) + 1 as plusone from queue) src
WHERE id in (select MIN(id) from queue);
Thank you again for your response but still a little confused with all this tgt stuff how does that come into play and will this work with mySQL I tried your code in mySQL Workbench but so far it doesn't like the FROM.
I am not sure if it would work in MySQL. This is for Microsoft SQL Server.