Apology in advance for a long question, but doing this just
for the sake of learning:
i'm new to SQL and researching on JOIN for now. I'm getting two
different behaviors when using INNER and OUTER JOIN. What I know is,
INNER JOIN gives an intersection kind of result while returning only
common rows among tables, and (LEFT/RIGHT) OUTER JOIN is outputting what
is common and remaining rows in LEFT or RIGHT tables, depending upon
LEFT/RIGHT clause respectively.
While working with MS Training Kit and trying to solve this practice:
"Practice 2: In this practice, you identify rows that appear in one
table but have no matches in another. You are given a task to return the
IDs of employees from the HR.Employees table who did not handle orders
(in the Sales.Orders table) on February 12, 2008. Write three different
solutions using the following:...