What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN...

join kv999 casino The fact that when it says INNER JOIN, you can be sure of what it does and that it's supposed to be just that, whereas a plain JOIN will leave you, or someone else, wondering what the standard said about the implementation and was the INNER/OUTER/LEFT left out by accident or by purpose..

jun88v8 Left Join and Left Outer Join are one and the same. The former is the shorthand for the latter. The same can be said about the Right Join and Right Outer Join relationship. The demonstration will illustrate the equality. Working examples of each query have been provided via SQL Fiddle. This tool will allow for hands on manipulation of the query. Given Left Join and Left Outer Join Results

keo-nhà-cái-5 Your second join call is not os.path.join, it is str.join. What this one does is that it joins the argument (as an iterable, meaning it can be seen as f, i, s, h) with self as the separator (in your case, cat/dog) So basically, is puts cat/dog between every letter of fish. Because str has a join attribute.