diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..13566b8
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/dataSources.xml b/.idea/dataSources.xml
new file mode 100644
index 0000000..eb71c9e
--- /dev/null
+++ b/.idea/dataSources.xml
@@ -0,0 +1,17 @@
+
+
+
+
+ mysql.8
+ true
+ com.mysql.cj.jdbc.Driver
+ jdbc:mysql://localhost:3306
+
+
+
+
+
+ $ProjectFileDir$
+
+
+
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..6f29fee
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..a086998
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/runConfigurations/blog_sql.xml b/.idea/runConfigurations/blog_sql.xml
new file mode 100644
index 0000000..4aec64f
--- /dev/null
+++ b/.idea/runConfigurations/blog_sql.xml
@@ -0,0 +1,7 @@
+
+
+
+ FILE
+
+
+
\ No newline at end of file
diff --git a/.idea/week6lab.iml b/.idea/week6lab.iml
new file mode 100644
index 0000000..d6ebd48
--- /dev/null
+++ b/.idea/week6lab.iml
@@ -0,0 +1,9 @@
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/README.md b/README.md
index cca8c33..cce482c 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,9 @@
+Marco Villasmil
+
+
# LAB | Java SQL
@@ -248,4 +253,4 @@ FULL OUTER JOIN:
git push origin
```
-
\ No newline at end of file
+
diff --git a/airline.sql b/airline.sql
new file mode 100644
index 0000000..bfe4d32
--- /dev/null
+++ b/airline.sql
@@ -0,0 +1,123 @@
+CREATE SCHEMA airline_data;
+
+USE airline_data;
+
+-- created a new schema and chose the schema to insert the tables to
+
+
+
+-- the data needs to be devided into several tables
+
+-- creating an aircrafts table
+CREATE TABLE aircraft(
+ aircraft_id INT AUTO_INCREMENT PRIMARY KEY,
+ aircraft_model VARCHAR(50),
+ total_aircraft_seats INT
+);
+
+
+-- creating a flights table
+CREATE TABLE flights (
+ flight_id INT AUTO_INCREMENT PRIMARY KEY,
+ flight_number VARCHAR(10),
+ flight_mileage INT
+);
+
+
+-- creating customers table
+CREATE TABLE customers (
+ cust_id INT AUTO_INCREMENT PRIMARY KEY,
+ cust_name VARCHAR(255),
+ cust_status VARCHAR(10),
+ total_cust_mileage INT,
+ cust_flight_number VARCHAR(10)
+);
+
+
+---- inserting data into their respective tables
+
+
+INSERT INTO aircraft (aircraft_model, total_aircraft_seats)
+VALUES
+ ('Boeing 747', 400),
+ ('Airbus A330', 236),
+ ('Boeing 777', 264);
+
+INSERT INTO flights (flight_number, flight_mileage)
+VALUES
+ ('DL143', 135),
+ ('DL122', 4370),
+ ('DL53', 2078),
+ ('DL222', 1765),
+ ('DL37', 531);
+
+INSERT INTO customers (cust_name, cust_status, total_cust_mileage, cust_flight_number)
+VALUES
+ ('Agustine Riviera', 'Silver', 115235, 'DL143'),
+ ('Alaina Sepulvida', 'None', 6008, 'DL122'),
+ ('Tom Jones', 'Gold', 205767, 'DL122'),
+ ('Sam Rio', 'None', 2653, 'DL143'),
+ ('Jessica James', 'Silver', 127656, 'DL143'),
+ ('Ana Janco', 'Silver', 136773, 'DL222'),
+ ('Jennifer Cortez', 'Gold', 300582, 'DL222'),
+ ('Christian Janco', 'Silver', 14642, 'DL222');
+
+
+-- exercises
+
+-- total number of flights
+SELECT count(*) as total_flights
+FROM flights;
+
+
+-- average flight distance
+SELECT ROUND(AVG(flight_mileage)) as avg_flight_distance
+FROM flights;
+
+
+-- average amount of seats
+SELECT ROUND(AVG(total_aircraft_seats)) AS avg_amount_seats
+FROM aircraft;
+
+
+
+-- average amount of flight miles per cst status group
+SELECT
+ AVG(total_cust_mileage) AS avg_mileage,
+ cust_status
+FROM customers
+GROUP BY cust_status
+ORDER BY avg_mileage DESC;
+
+-- max number of flight miles per cst status group
+SELECT
+ MAX(total_cust_mileage) AS max_mileage,
+ cust_status
+FROM customers
+GROUP BY cust_status
+ORDER BY max_mileage DESC;
+
+
+-- total number of "Boeing" aircrafts
+SELECT COUNT(aircraft_model) AS total_Boeing_aircrafts
+FROM aircraft
+WHERE aircraft_model like '%Boeing%';
+
+
+
+-- list of flights with a distance between 300 and 2000 miles
+SELECT flight_number, flight_mileage
+FROM flights
+WHERE flight_mileage BETWEEN 300 AND 2000;
+
+
+--------- dont understand the wording of the problem
+---- the average distance per cst group??
+SELECT
+ c.cust_status,
+ AVG(f.flight_mileage) AS average_flight_mileage
+FROM customers c
+JOIN flights f ON c.cust_flight_number = f.flight_number
+GROUP BY c.cust_status;
+
+
diff --git a/blog.sql b/blog.sql
new file mode 100644
index 0000000..29bf834
--- /dev/null
+++ b/blog.sql
@@ -0,0 +1,47 @@
+CREATE SCHEMA blog_info;
+
+USE blog_info;
+
+-- created a new schema and chose the schema to insert the tables to
+
+CREATE TABLE blog_titles (
+ blog_id INT AUTO_INCREMENT PRIMARY KEY,
+ author VARCHAR(50),
+ title VARCHAR(255),
+ word_count INT,
+ views INT
+);
+
+INSERT INTO blog_titles (author, title, word_count, views)
+VALUES
+ ('Maria Charlotte', 'Best Paint Colors', 814, 14),
+ ('Juan Perez', 'Small Space Decorating Tips', 1146, 221),
+ ('Maria Charlotte', 'Hot Accessories', 986, 105),
+ ('Maria Charlotte', 'Mixing Textures', 765, 22),
+ ('Juan Perez', 'Kitchen Refresh', 1242, 307),
+ ('Maria Charlotte', 'Homemade Art Hacks', 1002, 193),
+ ('Gemma Alcocer', 'Refinishing Wood Floors', 1571, 7542);
+
+
+-- displaying different information:
+
+-- showing everything
+SELECT *
+FROM blog_titles;
+
+-- number of views per author
+SELECT author, SUM(views) AS total_views
+FROM blog_titles
+GROUP BY author
+ORDER BY total_views DESC;
+
+
+-- author ranking based on word count per views. "return on investment" of words and views
+SELECT
+ author,
+ SUM(views) / SUM(word_count) AS return_per_views,
+ ROW_NUMBER() OVER (ORDER BY SUM(views) / SUM(word_count) DESC) AS author_ranking
+FROM blog_titles
+GROUP BY author
+ORDER BY return_per_views DESC;
+