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how to segregate table from blockings

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hi

below commands blocks one another , both are using same table  "marketplace_items " .

merge , update happen on same table with deferent SP,

how to segregate this process to prevent from blocking?


Query 1  SPID- 171  (merge)


<?query --
with e as (
select *,row_number()over(partition by sku order by sku) row from #tmp
), f as (
select * from e where row = 1
)
merge into marketplace_items as target
using f as source on source.sku =target.sku and target.marketplace_id =6 
when matched then
update set 
confirmed=getdate(),
confirmed_price=case when isnumeric(source.price)= 1 and source.price not like '%[a-z]%' then source.price end,
confirmed_status=left(source.[PUBLISH STATUS],500),
confirmed_status_reason =left(source.[STATUS CHANGE REASON],1000),
confirmed_category = left(source.[PRODUCT CATEGORY],500),
confirmed_qty=case when isnumeric(source.[INVENTORY COUNT]) =1 then source.[INVENTORY COUNT] end,
confirmed_ref_code=left(source.WPID,500),
confirmed_ref_number=source.[ITEM ID],
confirmed_upc=source.UPC,
confirmed_shelf=left(source.[SHELF NAME],500),
confirmed_shelf_path=left(source.[PRIMARY CAT PATH],500),
confirmed_reviews=case when isnumeric(source.[REVIEWS COUNT]) =1 then source.[REVIEWS COUNT]  end,
confirmed_rating=case when isnumeric(source.[AVERAGE RATING]) =1 then cast(source.[AVERAGE RATING] as money) end,
confirmed_searchable=left(source.[SEARCHABLE?],500),

status= left(source.[LIFECYCLE STATUS],500),
response_message=left(source.[STATUS CHANGE REASON],500);
--?>


Query 2  SPID- 170  (update)
  

<?query --
update i set 
last_posted_qty = t.qty,
last_posted_qty_feed = t.feed,
last_posted_qty_ts = getdate()
from marketplace_items i join #tmp t on t.id = i.id
--?>



Query 3  SPID- 172 (update)


<?query --
UPDATE marketplace_items SET confirmed_leadtime=@p0,confirmed_leadtime_ts=@p1 WHERE ID = @id
--?>


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