If you are doing a LEFT JOIN, add any WHERE conditions to the ON clause for the table in the right side of the join. This is a must, because adding a WHERE clause that references the right …

Jan 2, 2009 · Here's a list of equivalent syntaxes: A LEFT JOIN B A LEFT OUTER JOIN B A RIGHT JOIN B A RIGHT OUTER JOIN B A FULL JOIN B A FULL OUTER JOIN B A INNER …

Nov 1, 2013 · Instead of one join with OR it turned into three joins. With each condition in a seprate join and a final join to get that one matching row from either first or second join.

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 …

Oct 22, 2014 · Is it possible to do the following: IF [a] = 1234 THEN JOIN ON TableA ELSE JOIN ON TableB If so, what is the correct syntax?

Apr 21, 2012 · Instead, you simply JOIN to both tables, and in your SELECT clause, return data from the one that matches: I suggest you to go through this link Conditional Joins in SQL …

Nov 13, 2010 · For more parts or more complex strings, they either use string formatting, like above, or assemble elements in a list and join them together (especially if there's any form of …

Oct 23, 2014 · You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Upvoting indicates when questions and answers are useful. What's reputation …

As you said GroupJoin is like a outer join but that syntax (purely linq for group join) says it is not like outer join but left outer join.

Jul 1, 2018 · At one time, this was closed as a duplicate of What is the difference between left, right, outer and inner joins, but that question does not address the difference between inner …