Use Tempdb;
GO

CREATE TABLE demodelete (somenum INT);

INSERT INTO demodelete (somenum)
VALUES (1),(2),(3),(4);

SELECT * FROM demodelete;

DELETE X
	FROM demodelete x
	WHERE x.somenum = 1;
	
SELECT *
	FROM demodelete;

DELETE FROM demodelete x WHERE x.somenum = 1;

DELETE <missing required source>
FROM demodelete x
WHERE x.somenum = 1;

DELETE FROM demodelete
<missing required FROM> <missing required object> x
WHERE x.somenum = 1;

DELETE FROM x
FROM demodelete x
WHERE x.somenum = 1;