On Wed, Aug 12, 2009 at 7:52 PM, Thomas Kellerer wrote:
> Ray Stell wrote on 12.08.2009 20:19:
> I would probably do it this way:
>
> SELECT tt. *
> FROM testtable tt
> WHERE create_date = (SELECT MAX(create_date)
> FROM testtable tt2
> WHERE tt.id = tt2.id);
Ray Stell wrote on 12.08.2009 20:19:
http://www.brentozar.com/archive/2009/04/getting-the-most-recent-record/
How this works? What is ttNewer? What is a clustered primary key in mysql?
That article talks about SQL Server not MySQL.
select tt.* FROM TestTable tt
LEFT OUTER JOIN TestTable
http://www.brentozar.com/archive/2009/04/getting-the-most-recent-record/
How this works? What is ttNewer? What is a clustered primary key in mysql?
This is as good as I can do to get this into pg:
create table TestTable (
id int not null,
create_date date not null,
info1 VARCHAR(50) NOT NULL