SQL Server 2019

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create table bob(racesrvid int,  place int);

insert into bob values
(1,1),
(2,2);
2 rows affected

select * from bob;


racesrvid
place


1
1

2
2


create procedure zero_race @p_racesrvid int
as
begin
	update bob
	set place = 0
	where racesrvid = @p_racesrvid
end;

exec zero_race @p_racesrvid = 1;
1 rows affected

select * from bob;


racesrvid
place


1
0

2
2