DECLARE @nextMergeID INT ;
DECLARE @customerID INT;
DECLARE @mergeDate DATETIME;
DECLARE @reset BIT;

UPDATE dbo.merge_standard_queue 
SET @nextMergeID = merge_id
, picked = 1
, lub = 'v2'
WHERE merge_id = (
select top 1 merge_id
from dbo.merge_standard_queue
where picked = 0
order by merge_date asc
);
GO 255

drop table dbo.merge_Standard_Queue
GO
create table dbo.merge_standard_queue 
( merge_id int identity(1,1) not null primary key
, merge_date date not null
, picked bit not null
, lub varchar(10) null
)
GO
INSERT INTO dbo.merge_Standard_Queue (picked, merge_Date)
select 0
, DateAdd(day,t.Number, '2010-01-01')
from tally t
GO

select lub, count(*) from dbo.merge_standard_Queue group by lub

lub	(No column name)
V1	238
NULL	32275
v2	255