set nocount on;
use master;
go
if db_id('d') is not null drop database d;
go
create database [d];
go
use [d];
go
create table t(
	[01] varchar(50),[02] varchar(50),[03] varchar(50),[04] varchar(50),[05] varchar(50),[06] varchar(50),[07] varchar(50),[08] varchar(50),[09] varchar(50),[10] varchar(50),
	[11] varchar(50),[12] varchar(50),[13] varchar(50),[14] varchar(50),[15] varchar(50),[16] varchar(50),[17] varchar(50),[18] varchar(50),[19] varchar(50),[20] varchar(50),
	[21] varchar(50),[22] varchar(50),[23] varchar(50),[24] varchar(50),[25] varchar(50),[26] varchar(50),[27] varchar(50),[28] varchar(50),[29] varchar(50),[30] varchar(50),
	[31] varchar(50),[32] varchar(50),[33] varchar(50),[34] varchar(50),[35] varchar(50),[36] varchar(50),[37] varchar(50),[38] varchar(50),[39] varchar(50),[40] varchar(50),
	[41] varchar(50),[42] varchar(50),[43] varchar(50),[44] varchar(50),[45] varchar(50),[46] varchar(50),[47] varchar(50),[48] varchar(50),[49] varchar(50),[50] varchar(50),
	[51] varchar(50),[52] varchar(50),[53] varchar(50),[54] varchar(50),[55] varchar(50),[56] varchar(50),[57] varchar(50),[58] varchar(50),[59] varchar(50),[60] varchar(50),
	[61] varchar(50),[62] varchar(50),[63] varchar(50),[64] varchar(50),[65] varchar(50),[66] varchar(50),[67] varchar(50),[68] varchar(50),[69] varchar(50),[70] varchar(50)
);

declare @i int = 0;
declare @sql nvarchar(max) = N'insert t select replicate(''a'',abs(checksum(newid())%50))';
while @i < 69 begin
	set @sql+=N',replicate(''a'',abs(checksum(newid())%50))'
	set @i+=1;
end
set @i = 0;
while @i < 350000 begin	
	exec sp_executesql @sql;
	set @i+=1;
end;
go
alter trigger tr_t_u on t for update
as
select getdate();
select a = 1 into #inserted from inserted;
select getdate();
select a = 1 into #t from t;
select getdate();
go

update t set [01] = replicate('a',abs(checksum(newid())%50));