Minor tweak about which JOIN qualifier is optional

Duke-GCB · Nov 7, 2023 · 5faeaa0 · 5faeaa0
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diff --git a/Lesson-04.qmd b/Lesson-04.qmd
@@ -486,7 +486,7 @@ FROM Lesson AS l INNER JOIN Course AS c USING (Course_OID)
 
 ## Notes and other join constructs 
 
-* `INNER` and `OUTER` are optional, but they can help understanding a query
+* `INNER` is optional (and the default), but it can help understanding a query
 * Additional, but rarely used join constructs include:
   - `FULL OUTER JOIN`: combines left and right outer join
   - `NATURAL JOIN`: joins by columns that have the same name, and reports only one of them

diff --git a/pub/Lesson-04.html b/pub/Lesson-04.html
@@ -1320,7 +1320,7 @@ <h2>Join order</h2>
 <section id="notes-and-other-join-constructs" class="slide level2">
 <h2>Notes and other join constructs</h2>
 <ul>
-<li><code>INNER</code> and <code>OUTER</code> are optional, but they can help understanding a query</li>
+<li><code>INNER</code> is optional (and the default), but it can help understanding a query</li>
 <li>Additional, but rarely used join constructs include:
 <ul>
 <li><code>FULL OUTER JOIN</code>: combines left and right outer join</li>