From e42221a45f78d64475d66b9572310c699bd33224 Mon Sep 17 00:00:00 2001
From: Oliver <okennedy@buffalo.edu>
Date: Tue, 4 May 2021 00:23:17 -0400
Subject: [PATCH] YouTube links

---
 src/teaching/cse-562/2021sp/index.erb | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/teaching/cse-562/2021sp/index.erb b/src/teaching/cse-562/2021sp/index.erb
index 614476d2..72d44282 100644
--- a/src/teaching/cse-562/2021sp/index.erb
+++ b/src/teaching/cse-562/2021sp/index.erb
@@ -70,14 +70,17 @@ schedule:
     topic: "Spark's Optimizer + Checkpoint 2"
     due: "Checkpoint 1"
     materials: 
+      lecture: https://youtu.be/SSWA2txOJiU
       slides: slide/2021-03-16-Checkpoint2.html
   - date: "Mar. 18"
     topic: "Distributed Queries"
     materials: 
+      lecture: https://youtu.be/AV2rcfNajtc
       slides: slide/2021-03-18-ParallelQueries.html
   - date: "Mar. 23"
     topic: "Online Aggregation/Approximate Query Processing"
     materials: 
+      lecture: https://youtu.be/R8Nyt1wdy0Q
       slides: slide/2021-03-23-ApproximateQueryProcessing.html
       online_agg: https://dl-acm-org.gate.lib.buffalo.edu/doi/10.1145/253262.253291
       ripple_joins: https://dl-acm-org.gate.lib.buffalo.edu/doi/10.1145/304181.304208
@@ -86,6 +89,7 @@ schedule:
   - date: "Mar. 25"
     topic: "Data Sketching"
     materials: 
+      lecture: https://youtu.be/sqnge0p76Y4
       slides: slide/2021-03-25-Sketches.html
       hyperloglog: https://ieeexplore-ieee-org.gate.lib.buffalo.edu/document/4568063
       count_sketch: https://www.sciencedirect.com/science/article/pii/S0304397503004006?via%3Dihub
@@ -93,45 +97,55 @@ schedule:
   - date: "Mar. 30"
     topic: "Streaming Queries"
     materials:
+      lecture: https://youtu.be/dgaPVNcHnic
       slides: slide/2021-03-30-StreamingQueries.html
   - date: "Apr. 1"
     topic: "Data Updates + Incremental View Maintenance"
     materials: 
+      lecture: https://youtu.be/J2Tva6JPZBo
       slides: slide/2021-04-01-MaterializedViews.html
   - date: "Apr. 6"
     topic: "Transactions: Intro + Concepts"
     materials: 
+      lecture: https://youtu.be/nrAJSRG0KZw
       slides: slide/2021-04-06-TheoryOfTransactions.html
   - date: "Apr. 8"
     topic: "Transactions: Pessimistic"
     materials: 
+      lecture: https://youtu.be/fn0dxiO3PfY
       slides: slide/2021-04-08-Locking.html
   - date: "Apr. 9"
     due: "Checkpoint 2"
   - date: "Apr. 13"
     topic: "Aggregation + Checkpoint 3"
     materials:
+      lecture: https://youtu.be/WJtQCFF7IiU
       slides: slide/2021-04-13-Checkpoint3.html
   - date: "Apr. 15"
     topic: "Transactions: Optimistic"
     materials:
+      lecture: https://youtu.be/588jt9xeVdQ
       slides: slide/2021-04-15-OCC.html
   - date: "Apr. 20"
     topic: "Logging + Recovery"
     materials:
+      lecture: https://youtu.be/XIOv5zt9n7c
       slides: slide/2021-04-20-Logging.html
   - date: "Apr. 22"
     topic: "Distributed Commit"
     materials:
+      lecture: https://youtu.be/WPMZTwx7K24
       slides: slide/2021-04-22-ParallelUpdates.html
   - date: "Apr. 27"
     due: "Checkpoint 3"
     topic: "Indexing Review + Checkpoint 4"
     materials: 
+      lecture: https://youtu.be/Mr-8JLSdWjE
       slides: slide/2021-04-27-Checkpoint4.html
   - date: "Apr. 29"
     topic: "Provenance"
     materials: 
+      lecture: https://youtu.be/PvKJVhqml1A
       slides: slide/2021-04-29-Provenance.html
   - date: "May 4"
     topic: "Review"