diff --git a/slides/cse4562sp2019/2019-01-28-Intro.html b/slides/cse4562sp2019/2019-01-28-Intro.html
index bb7c96b1..6234e31d 100644
--- a/slides/cse4562sp2019/2019-01-28-Intro.html
+++ b/slides/cse4562sp2019/2019-01-28-Intro.html
@@ -123,19 +123,8 @@
         </section>
 
         <section>
-          <h4 style="margin-bottom: 0px;">How do we ask and answer questions about data?</h4>
-            <ul style="font-size: smaller" class="tight fragment">
-              <li>Efficiency</li>
-              <li>Accuracy</li>
-              <li>Summarization</li>
-              <li>Data Curation</li>
-            </ul>
-          <h4 style="margin-bottom: 0px; margin-top: 20px;">How do we manipulate and persist data?</h4>
-            <ul style="font-size: smaller" class="tight fragment">
-              <li>Consistency</li>
-              <li>Correctness</li>
-              <li>Parallelism</li>
-            </ul>
+          <h3 style="padding-bottom: 60px;">How do we ask and answer questions about data?</h3>
+          <h3>How do we manipulate and persist data?</h3>
         </section>
 
         <section>
@@ -171,8 +160,8 @@
         </section>
 
         <section>
-          <h3>Template for 90% of Database Systems</h3>
-          <p style="font-size: larger;">For <b>X</b>, the best, correct choice is <b>Y</b>,<br/> at least when <b>Z</b>.</p>
+          <h3>Template for 90% of this class</h3>
+          <p style="font-size: larger;">What is the best, correct technique for task <b>X</b>, when <b>Y</b> is true?</p>
           <ol style="margin-top: 20px;">
             <li class="fragment">How do you define <i>Correct</i> and <i>Best</i>?</li>
             <li class="fragment">What correct alternatives are available?</li>
@@ -190,20 +179,6 @@
           <h2>General Course Information</h2>
         </section>
 
-        <section>
-          <h3>Me</h3>
-          Oliver Kennedy
-
-          <h3 style="padding-top: 50px;">TAs</h3>
-          <span style="margin: 20px;">Vicky Zheng</span>
-          <span style="margin: 20px;">Qiuling Suo</span>
-
-          <h3 style="padding-top: 50px;">Ninjas</h3>
-          <span style="margin: 20px;">William Spoth</span>
-          <span style="margin: 20px;">Darshana Balakrishnan</span>
-          <span style="margin: 20px;">Carl Nuessle</span>
-        </section>
-
         <section>
           <h3>Expectations</h3>
           <dl>
@@ -225,6 +200,20 @@
           </dl>
         </section>
 
+        <section>
+          <h3>Me</h3>
+          Oliver Kennedy
+
+          <h3 style="padding-top: 50px;">TAs</h3>
+          <span style="margin: 20px;">Vicky Zheng</span>
+          <span style="margin: 20px;">Qiuling Suo</span>
+
+          <h3 style="padding-top: 50px;">Ninjas</h3>
+          <span style="margin: 20px;">William Spoth</span>
+          <span style="margin: 20px;">Darshana Balakrishnan</span>
+          <span style="margin: 20px;">Carl Nuessle</span>
+        </section>
+
         <section>
           <h3>Syllabus and Projects</h3>
           <p><a href="https://odin.cse.buffalo.edu/teaching/cse-462/">https://odin.cse.buffalo.edu/teaching/cse-462/</a></p>
@@ -235,25 +224,6 @@
           <p><a href="https://piazza.com/buffalo/spring2018/cse4562/home">https://piazza.com/buffalo/spring2019/cse4562/home</a></p>
         </section>
 
-        <section>
-          <h3>Course Structure</h3>
-
-          <dl>
-            <dt>Concepts (50% of Grade)</dt>
-            <dd><ul class="tight">
-              <li>Homework (10%; ~12 Assignments, Drop any 4)</li>
-              <li>Midterm (20% or 15%)</li>
-              <li>Comprehensive Final (20% or 25%)</li>
-            </ul></dd>
-            <dt>Practicum (50% of Grade)</dt>
-            <dd><ul class="tight">
-              <li>Build a Relational Query Engine</li>
-              <li>3-Person Group Project</li>
-              <li>4 Checkpoints (+ 5 free points for Checkpoint 0)</li>
-            </ul></dd>
-          </dl>
-        </section>
-
         <section>
           <table>
             <tr>
@@ -274,6 +244,25 @@
             </tr>
           </table>
         </section>
+
+        <section>
+          <h3>Course Structure</h3>
+
+          <dl>
+            <dt>Concepts (50% of Grade)</dt>
+            <dd><ul class="tight">
+              <li>Homework (10%; ~12 Assignments, Drop any 4)</li>
+              <li><b>March 13</b>: Midterm (20%<span class="fragment" data-fragment-index="1"> or 15%</span>)</li>
+              <li><b>May 17?</b>: Comprehensive Final (20%<span class="fragment" data-fragment-index="1"> or 25%</span>)</li>
+            </ul></dd>
+            <dt>Practicum (50% of Grade)</dt>
+            <dd><ul class="tight">
+              <li>Build a Relational Query Engine</li>
+              <li>3-Person Group Project</li>
+              <li>4 Checkpoints (+ 5 free points for Checkpoint 0)</li>
+            </ul></dd>
+          </dl>
+        </section>
       </section>
 
       <!-- ================================================================ -->
@@ -332,8 +321,7 @@
           <h3>Checkpoint 1: "Get it Working"</h3>
           <p style="font-size: smaller;">10/50 pts</p>
           <ul>
-            <li>Interactive Prompt</li>
-            <li>Parse SQL with JSQLParser</li>
+            <li>Translate SQL to Relational Algebra</li>
             <li>Load CSV Files</li>
             <li>Run Basic Select, Project, Join Queries</li>
           </ul>
@@ -389,7 +377,7 @@
 
         <section>
           <h3>Academic Integrity</h3>
-          <p>Cheating is submitting any work that you did not perform by yourself <span class="fragment highlight-red">as if you did</span>.</p>
+          <p>Cheating is submitting any work that you did not perform by yourself as if you did.</p>
         </section>
         <section>
           <dl>