<div class="codebody" id="code67414"> set nocount on use tempdb go if (object_id ('tb' ) is not null ) drop table tb go create table tb (id int identity (1,1 ),name varchar (10 ),tag int default 0 ) insert into tb (name ) select 'a' insert into tb (name ) select 'b' insert into tb (name ) select 'c' insert into tb (name ) select 'd' insert into tb (name ) select 'e' go update top (2 ) tb with (rowlock,readpast ) set tag = 1 output inserted . id,inserted . name where tag = 0 go update top (2 ) tb with (rowlock,inserted . name where tag = 0 go set nocount off / id name ----------- ---------- 1 a 2 b id name ----------- ---------- 3 c 4 d id name ----------- ---------- 5 e /