From 1adb9c6114975fe9b25cfb1b18868464d031b061 Mon Sep 17 00:00:00 2001
From: Julian T <julian@jtle.dk>
Date: Wed, 19 Jan 2022 14:40:23 +0100
Subject: Add incomplete notes for distributed systems

---
 sem7/db/eksamnen.md | 1 +
 1 file changed, 1 insertion(+)

(limited to 'sem7/db')

diff --git a/sem7/db/eksamnen.md b/sem7/db/eksamnen.md
index 5c6da48..143a706 100644
--- a/sem7/db/eksamnen.md
+++ b/sem7/db/eksamnen.md
@@ -10,6 +10,7 @@
   - *Summarizability* on page 52 in DW book.
   - *Data marts* is a subset of a data wareshouse, containing only as single subject such as sales.
   - *Heterogeneity* page 19 in parallel book
+  - *Total cost* er sum af alle query costs, hvor en query cost bare er cost af billigste materialization ancestor.
 
 # Nice Spatial SQL Commands
 
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