Let's declare a variable i and set the value is 10.
In second line we write a while loop.
declare @i int=10
while(@i<=20)
begin
print @i
set @i=@i+1
end In this snippet we learn how to write while loop in sql server.
declare @i int=10
while(@i<=20)
begin
print @i
set @i=@i+1
end