Updated slides for week 1.

Added many-to-many relationship.
HackYourFuture · Feb 4, 2018 · 3d251cd · 3d251cd
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diff --git a/Week1/.vscode/database.json b/Week1/.vscode/database.json
@@ -0,0 +1 @@
+{}
diff --git a/Week1/databases/musicians2.sql b/Week1/databases/musicians2.sql
@@ -0,0 +1,42 @@
+DROP database IF EXISTS hyf_musicians2;
+CREATE database hyf_musicians2;
+USE hyf_musicians2;
+
+CREATE TABLE Musicians(
+    Id INT NOT NULL,
+    FirstName TEXT NOT NULL,
+    LastName TEXT NOT NULL,
+    Born INT NOT NULL,
+    PRIMARY KEY (Id)
+);
+
+CREATE TABLE Instruments(
+    Id INT NOT NULL,
+    Name TEXT NOT NULL,
+    Type TEXT NOT NULL,
+    PRIMARY KEY (Id)
+);
+
+CREATE TABLE InstrumentsPlayed(
+    Id INT NOT NULL,
+    Musician INT NOT NULL,
+    Instrument INT NOT NULL,
+    PRIMARY KEY (Id),
+    FOREIGN KEY (Musician) REFERENCES Musicians(Id),
+    FOREIGN KEY (Instrument) REFERENCES Instruments(Id)
+);
+
+INSERT INTO Musicians (Id, FirstName, LastName, Born) VALUES (1, 'Thelonious', 'Monk', 1917);
+INSERT INTO Musicians (Id, FirstName, LastName, Born) VALUES (2, 'Sonny', 'Rollins', 1930);
+INSERT INTO Musicians (Id, FirstName, LastName, Born) VALUES (3, 'Steve', 'Lehman', 1978);
+
+INSERT INTO Instruments (Id, FirstName, LastName, Born) VALUES (1, 'Piano', 'Keys');
+INSERT INTO Instruments (Id, FirstName, LastName, Born) VALUES (2, 'Tenor saxophone', 'Wind');
+INSERT INTO Instruments (Id, FirstName, LastName, Born) VALUES (3, 'Soprano saxophone', 'Wind');
+INSERT INTO Instruments (Id, FirstName, LastName, Born) VALUES (4, 'Alto saxophone', 'Wind');
+INSERT INTO Instruments (Id, FirstName, LastName, Born) VALUES (5, 'Guitar', 'String');
+
+INSERT INTO InstrumentsPlayed (Id, Musician, Instrument) VALUES (1, 1, 1);
+INSERT INTO InstrumentsPlayed (Id, Musician, Instrument) VALUES (2, 2, 2);
+INSERT INTO InstrumentsPlayed (Id, Musician, Instrument) VALUES (3, 2, 3);
+INSERT INTO InstrumentsPlayed (Id, Musician, Instrument) VALUES (3, 3, 4);
diff --git a/Week1/slides/index.html b/Week1/slides/index.html
@@ -110,7 +110,7 @@
 
 `programming`: **object**
 
-*what or who the subject relates to*
+*who or what the subject relates to*
 
 ---
 
@@ -291,6 +291,8 @@
 
 # Identity
 
+![Thelonious Monk](media/thelonious-monk.jpg)
+
 ---
 
 # Identity: identifying a subject
@@ -528,6 +530,123 @@
 1 row in set (0.00 sec)
 ```
 
+---
+
+class: center, middle
+
+# More relationships
+
+---
+
+# Many-to-many relationship
+
+How do we model which instruments the muscians played?
+
+<table class="db-table">
+    <tr>
+        <th>Musicians</th>
+    </tr>
+    <tr>
+        <th>Id</th>
+        <th>FirstName</th>
+        <th>LastName</th>
+        <th>Born</th>
+    </tr>
+    <tr>
+        <td>1</td>
+        <td>Thelonious</td>
+        <td>Monk</td>
+        <td>1917</td>
+    </tr>
+    <tr>
+        <td>2</td>
+        <td>Sonny</td>
+        <td>Rollins</td>
+        <td>1930</td>
+    </tr>
+    <tr>
+        <td>3</td>
+        <td>Steve</td>
+        <td>Lehman</td>
+        <td>1978</td>
+    </tr>
+</table>
+
+<br/>
+
+<table class="db-table">
+    <tr>
+        <th>Instruments</th>
+    </tr>
+    <tr>
+        <th>Id</th>
+        <th>Name</th>
+        <th>Type</th>
+    </tr>
+    <tr>
+        <td>1</td>
+        <td>Piano</td>
+        <td>Key</td>
+    </tr>
+    <tr>
+        <td>2</td>
+        <td>Tenor Saxophone</td>
+        <td>Wind</td>
+    </tr>
+    <tr>
+        <td>3</td>
+        <td>Soprano Saxophone</td>
+        <td>Wind</td>
+    </tr>
+    <tr>
+        <td>4</td>
+        <td>Alto-saxophone</td>
+        <td>Wind</td>
+    </tr>
+    <tr>
+        <td>5</td>
+        <td>Guitar</td>
+        <td>String</td>
+    </tr>
+</table>
+
+---
+
+class: center, middle
+
+# Answer: with another table!
+
+<table class="db-table">
+    <tr>
+        <th>InstrumentsPlayed</th>
+    </tr>
+    <tr>
+        <th>Id</th>
+        <th>Musician</th>
+        <th>Instrument</th>
+    </tr>
+    <tr>
+        <td>1</td>
+        <td>1</td>
+        <td>1</td>
+    </tr>
+    <tr>
+        <td>2</td>
+        <td>2</td>
+        <td>2</td>
+    </tr>
+    <tr>
+        <td>2</td>
+        <td>2</td>
+        <td>3</td>
+    </tr>
+    <tr>
+        <td>3</td>
+        <td>3</td>
+        <td>4</td>
+    </tr>
+</table>
+
     </textarea>
     <script src="js/remark.js">
     </script>

diff --git a/Week1/slides/media/thelonious-monk.jpg b/Week1/slides/media/thelonious-monk.jpg