diff --git a/db/teaching/cse4_562/2018sp/schedule.json b/db/teaching/cse4_562/2018sp/schedule.json
index 37ff498f..ef8e2661 100644
--- a/db/teaching/cse4_562/2018sp/schedule.json
+++ b/db/teaching/cse4_562/2018sp/schedule.json
@@ -54,6 +54,7 @@
     "due": "Checkpoint 0",
     "topic": "Project 1 and Translating SQL to RA",
     "materials": {
+    	"slides": "https://odin.cse.buffalo.edu/slides/cse4562sp2018/2018-02-09-SQLtoRA+Checkpoint1.pdf"
     }
   },
   {
diff --git a/slides/cse4562sp2018/2018-02-09-SQLtoRA+Checkpoint1.pdf b/slides/cse4562sp2018/2018-02-09-SQLtoRA+Checkpoint1.pdf
new file mode 100644
index 00000000..00005ce6
Binary files /dev/null and b/slides/cse4562sp2018/2018-02-09-SQLtoRA+Checkpoint1.pdf differ