It depends what you are trying to do with it. From your table name, it looks like you are trying to build a mapping load? That's different and you will need more info. But to just create a table with those three lines, use:
The easiest way to create an inline load is to just click Insert > Load Statement > Load Inline in the Script Editor. It will open up a table for you to enter your information. That way you don't have to worry about memorizing the syntax.