Thanks satya. I heard that SQL, using <>, first loads all the data and after that applies the filter. I could not believe it. I refered to the...
Guys, thanks for the clarification.
Luis, I asked him. He made a course and listened from the teacher. Based on his experience etc. So I sent the question.
I'm in doubt. A friend of mine said that is better to use the operator = instead of <> on Transact SQL.
e.g. table TABLEX with the field cflag...
Separate names with a comma.