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authorJulian T <julian@jtle.dk>2022-01-19 14:40:23 +0100
committerJulian T <julian@jtle.dk>2022-01-19 14:40:53 +0100
commit1adb9c6114975fe9b25cfb1b18868464d031b061 (patch)
treeeba7b8810818bd25a22251c762bb64d74c42e0b1 /sem7/db
parent2b780bf79aa3b5d835442687b76ad3c42b2ce44a (diff)
Add incomplete notes for distributed systems
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-rw-r--r--sem7/db/eksamnen.md1
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diff --git a/sem7/db/eksamnen.md b/sem7/db/eksamnen.md
index 5c6da48..143a706 100644
--- a/sem7/db/eksamnen.md
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@@ -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