From 8b7431f1edb34451c3448a9c1225bdb1b91e2417 Mon Sep 17 00:00:00 2001
From: David Kaufmann <astra@ionic.at>
Date: Sun, 7 Apr 2019 22:53:36 +0200
Subject: [PATCH] add explanation to 1.5.a

---
 ex1/main_5.tex | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ex1/main_5.tex b/ex1/main_5.tex
index c800914..3a3531d 100644
--- a/ex1/main_5.tex
+++ b/ex1/main_5.tex
@@ -8,6 +8,9 @@ Optimized query:
 SELECT distinct(displayname) FROM posts p JOIN users u ON u.id = p.owneruserid WHERE p.viewcount > u.views;
 \end{verbatim}
 
+Improvements:\\
+Just converted the selection to a JOIN
+
 Original version:
 \begin{verbatim}
  Planning time: 0.978 ms
-- 
2.43.0