Expanding on James' answer
Try this code on SqlFiddle.
Also check out @SqlKiwi Paul White's post regarding Delete vs Truncate
create table tracker_live (
client_nbr int not null, tracker_date date not null, submit_date date not null, live float not null, retainer float not null, bonus float not null
, constraint pk_tracker_live primary key (client_nbr, tracker_date, submit_date));
insert into tracker_live (client_nbr, tracker_date, submit_date, live, retainer, bonus) values
(9,'2014-10-01','2014-10-08',537841.5657,1,1)
,(9,'2014-11-01','2014-10-08',890293.714,2,2)
,(9,'2014-12-01','2014-10-08',45585.4029,3,3)
,(9,'2014-10-01','2014-10-17',537841.5657,1,1)
,(9,'2014-11-01','2014-10-17',890293.714,2,2)
,(9,'2014-12-01','2014-10-17',45585.4029,3,3)
,(9,'2014-10-01','2014-11-13',2321938.59,1,1)
,(9,'2014-11-01','2014-11-13',907925.1072,2,2)
,(9,'2014-12-01','2014-11-13',392917.5237,3,3)
,(9,'2014-10-01','2014-11-18',2321938.59,1,1)
,(9,'2014-11-01','2014-11-18',795725.1072,2,2)
,(9,'2014-12-01','2014-11-18',725835.0474,3,3)
create table tracker_live_last_month (
client_nbr int not null, tracker_date date not null, submit_date date not null, live float not null, retainer float not null, bonus float not null
, constraint pk_tracker_live_last_month primary key (client_nbr, tracker_date));
/* example query for procedure */
declare @test date;
set @test = '2014-11-18';
--set @test = convert(date,getdate());
declare @LastDayOfLastMonth date;
set @LastDayOfLastMonth = dateadd(day,-datepart(day,@test),@test);
declare @FirstDayOfLastMonth date;
set @FirstDayOfLastMonth = dateadd(day,1-datepart(day,@LastDayOfLastMonth),@LastDayOfLastMonth);
truncate table tracker_live_last_month;
/* inserting the data with this combined query should be quicker than creating the table and then updating values */
insert into tracker_live_last_month (client_nbr, tracker_date, submit_date, live, retainer, bonus)
select tl.client_nbr, tl.tracker_date, ca.submit_date, ca.live, ca.retainer, ca.bonus
from tracker_live tl
cross apply (select top 1 i.submit_date, i.live, i.retainer, i.bonus
from tracker_live i
where i.client_nbr=tl.client_nbr
and i.tracker_date=tl.tracker_date
order by i.submit_date desc) as ca
where tl.submit_date between @FirstDayOfLastMonth and @LastDayofLastMonth
group by tl.client_nbr, tl.tracker_date, ca.submit_date, ca.retainer, ca.live, ca.bonus
order by tl.client_nbr, tl.tracker_date, ca.submit_date, ca.retainer, ca.live, ca.bonus;
Best Answer
You can use SQL's EXCEPT clause. https://msdn.microsoft.com/en-us/library/ms188055.aspx
Values in the first table (the left query) that are not in the second (the right query) will be shown. You can change the table order to achieve the opposite.