From e1ca0e73b34f7786e712ec555ac440c42a91f506 Mon Sep 17 00:00:00 2001
From: bnewbold <bryan@octopart.com>
Date: Tue, 15 May 2012 16:16:50 -0400
Subject: films; sql tricks

---
 film/to-watch.page |  3 ++-
 software/sql.page  | 13 +++++++++++--
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/film/to-watch.page b/film/to-watch.page
index 15688b2..c38b35a 100644
--- a/film/to-watch.page
+++ b/film/to-watch.page
@@ -42,4 +42,5 @@ Documentaries:
  * Gasland (2010, fracking)
  * Manufactured Landscapes (2006 china industrialization non-narrative)
  * Mondo Cane (shock film)
-
+ * The Oath
+ * My Country, My Country
diff --git a/software/sql.page b/software/sql.page
index 5b1a72f..791fd56 100644
--- a/software/sql.page
+++ b/software/sql.page
@@ -1,9 +1,18 @@
 
-### SQL
+# SQL
 
-# MySQL-specific Tricks
+### MySQL-specific Tricks
 
 To output in tab-delimited format, do something like:
 
     mysql -u root -p -B < some_command.sql > output.tab
 
+### UPDATE with JOIN
+
+To do an update based on a join::
+
+    UPDATE tableOne t1 INNER JOIN tableTwo t2 ON t1.fk_two = t2.id SET t1.has_two = 1 WHERE t2.is_good = 1;
+
+### JOINs
+
+Useful visual summary: http://www.codeproject.com/Articles/33052/Visual-Representation-of-SQL-Joins
-- 
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