Update 11-tradeoffs.md

_episodes/11-tradeoffs.md

@@ -45,7 +45,40 @@ Getting insights in AWS cloud, has to major goals:
 * A data system in cloud enables collaboration during the execution of your term project
 * Introducing cloud in practice, helps students to understand the next lecture
 
+## Access MYSQL from Python
 
+#### Select a database
+```
+from mysql.connector import (connection)
+
+connection = connection.MySQLConnection(
+    user='zeppelin', 
+    password='ceudsd666',
+    host='localhost',
+    database='birdstrikes', 
+    auth_plugin = 'mysql_native_password')
+
+db = connection.cursor()
+```
+{: .language-python}
+
+#### Run a SQL query and display resultset
+```
+db.execute("SELECT * FROM birdstrikes LIMIT 5;")
+
+result = db.fetchall()
+
+for x in result:
+  print(x)
+```
+{: .language-python}
+
+
+#### Close connection
+```
+connection.close()
+```
+{: .language-python}
 
 
 <br/><br/>