Upload files for Part 4

Author: sfoteini

python-mysql-azure/books.txt

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+The Alchemist, Paulo Coelho, Novel, 2
+Of Mice and Men, John Steinbeck, Novel, 2
+The Grapes of Wrath, John Steinbeck, Novel, 4
+East of Eden, John Steinbeck, Novel, 3
+The Da Vinci Code, Dan Brown, Novel, 2
+Life of Pi, Yann Martel, Novel, 3
+Hamlet, William Shakespeare, Tragedy, 5
+Little Women, Louisa May Alcott, Novel, 1
+A Tale of Two Cities, Charles Dickens, Historical novel, 1
+The Frogs, Aristophanes, Comedy, 2
+Lysistrata, Aristophanes, Comedy, 2
+The Universe in a Nutshell, Stephen Hawking, Science, 1
+The Design of Everyday Things, Donald A. Norman, Design, 2
+The Old Man and the Sea, Ernest Hemingway, Novel, 1
+Moby Dick, Herman Melville, Novel, 3
+The Adventures of Huckleberry Finn, Mark Twain, Novel, 2
+The Great Gatsby, F. Scott Fitzgerald, Novel, 3
+The Picture of Dorian Gray, Oscar Wilde, Drama, 4
+Travels with Charley: In Search of America, John Steinbeck, Biography, 2
+A Christmas Carol, Charles Dickens, Novel, 2
+1984, George Orwell, Novel, 5
+Animal Farm, George Orwell, Political satire, 4
+Anna Karenina, Leo Tolstoy, Novel, 5
+The Hobbit, J. R. R. Tolkien, Novel, 3
+Farmer Giles of Ham, J. R. R. Tolkien, Children's literature, 1
+The Lord of the Rings, J. R. R. Tolkien, Fantasy, 1
+Harry Potter and the Philosopher's Stone, J. K. Rowling, Fantasy, 2
+Harry Potter and the Prisoner of Azkaban, J. K. Rowling, Fantasy, 1
+Harry Potter and the Half-Blood Prince, J. K. Rowling, Fantasy, 1
+The Stranger, Albert Camus, Novel, 3

python-mysql-azure/db3.py

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+import mysql.connector
+
+# Establish the connection
+conn = mysql.connector.connect(
+  user = '<username>@<server>', 
+  password = '<password>', 
+  host = '<server>.mysql.database.azure.com', 
+  database = '<demodb>'
+)
+
+# Create a cursor object using the cursor() method
+cursor = conn.cursor()
+
+# Drop previous table of same name if one exists
+cursor.execute("DROP TABLE IF EXISTS library")
+
+# Create a table
+cursor.execute("CREATE TABLE library (id INT AUTO_INCREMENT PRIMARY KEY, title VARCHAR(50), author VARCHAR(50), genre VARCHAR(50), quantity INTEGER)")
+
+# Open the file and insert data
+fname = 'books.txt'
+with open(fname) as fh:
+    for line in fh:
+        parts = line.strip().split(", ")
+        title = parts[0]
+        author = parts[1]
+        genre = parts[2]
+        quantity = parts[3]
+
+        # Insert some data into table
+        cursor.execute("INSERT INTO library (title, author, genre, quantity) VALUES (%s, %s, %s, %s)", (title, author, genre, quantity))
+
+# Read data
+cursor.execute("SELECT * FROM library")
+rows = cursor.fetchall()
+print("Read", cursor.rowcount, "row(s) of data.")
+
+# Print all rows
+for row in rows:
+  print(str(row[0]) + ". " + row[1] + " by " + row[2])
+  print("Genre: " + row[3] + " Quantity: " + str(row[4]))
+
+# Update quantity
+cursor.execute("UPDATE library SET quantity = quantity - 1 WHERE id = %s", (18, ))
+print("Updated",cursor.rowcount,"row(s) of data.")
+
+cursor.execute("UPDATE library SET quantity = quantity + 1 WHERE id = %s OR id = %s", (10, 22))
+print("Updated",cursor.rowcount,"row(s) of data.")
+
+# Read data
+cursor.execute("SELECT * FROM library")
+rows = cursor.fetchall()
+print("Read", cursor.rowcount, "row(s) of data.")
+
+# Print all rows
+for row in rows:
+  print(str(row[0]) + ". " + row[1] + " by " + row[2])
+  print("Genre: " + row[3] + " Quantity: " + str(row[4]))
+
+# Cleanup
+conn.commit()
+cursor.close()
+conn.close()
+print("Done.")