Many of the early sewing machines were powered by a treadle mechanism. The treadle was operated by pressing down on it with a foot, or both feet, to cause a rocking movement. This movement spins a large wheel on the treadle frame, connected by a thin leather belt to a smaller driving wheels on the sewing machine.
null. adj. 1. Having no legal force; invalid: render a contract null and void.2.ull. adj. 1. Having no legal force; invalid: render a contract null and void. 2.
So, When I do SET ANSI_NULLS ON; I am simply telling SQL SERVER to follow the standard of ANSI. Let us see with below example. When ANSI_NULLS is set to ON. â=â operator is not able to identify NULL. This is the standard of ANSI that any comparison with NULL is always NULL. So you will never ever get a result for this. To find NULL in a column we use Keyword âIS NULLâ. Now let us check the same query by making ANSI_NULLS OFF. So, here it is.