diff --git a/LabSQL/.idea/.gitignore b/LabSQL/.idea/.gitignore
new file mode 100644
index 0000000..13566b8
--- /dev/null
+++ b/LabSQL/.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/LabSQL/.idea/dataSources.xml b/LabSQL/.idea/dataSources.xml
new file mode 100644
index 0000000..250fbf6
--- /dev/null
+++ b/LabSQL/.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/LabSQL/.idea/misc.xml b/LabSQL/.idea/misc.xml
new file mode 100644
index 0000000..639900d
--- /dev/null
+++ b/LabSQL/.idea/misc.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/LabSQL/.idea/modules.xml b/LabSQL/.idea/modules.xml
new file mode 100644
index 0000000..58fa5dd
--- /dev/null
+++ b/LabSQL/.idea/modules.xml
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/LabSQL/.idea/sqldialects.xml b/LabSQL/.idea/sqldialects.xml
new file mode 100644
index 0000000..a1d288c
--- /dev/null
+++ b/LabSQL/.idea/sqldialects.xml
@@ -0,0 +1,7 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/LabSQL/.idea/vcs.xml b/LabSQL/.idea/vcs.xml
new file mode 100644
index 0000000..6c0b863
--- /dev/null
+++ b/LabSQL/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/LabSQL/LabSQL.iml b/LabSQL/LabSQL.iml
new file mode 100644
index 0000000..9a5cfce
--- /dev/null
+++ b/LabSQL/LabSQL.iml
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/LabSQL/airline.sql b/LabSQL/airline.sql
new file mode 100644
index 0000000..1114936
--- /dev/null
+++ b/LabSQL/airline.sql
@@ -0,0 +1,97 @@
+CREATE DATABASE airline;
+
+USE airline;
+
+CREATE TABLE customers (
+ customer_name VARCHAR(255) PRIMARY KEY,
+ customer_status VARCHAR(255),
+ total_customer_mileage INT
+);
+
+CREATE TABLE aircrafts (
+ aircraft VARCHAR(255) PRIMARY KEY,
+ total_aircraft_seats INT
+);
+
+CREATE TABLE flights (
+ flight_number VARCHAR(255) PRIMARY KEY,
+ aircraft VARCHAR(255),
+ flight_mileage INT,
+ FOREIGN KEY (aircraft) REFERENCES aircrafts(aircraft)
+);
+
+CREATE TABLE bookings (
+ customer_name VARCHAR(255),
+ flight_number VARCHAR(255),
+ PRIMARY KEY (customer_name, flight_number),
+ FOREIGN KEY (customer_name) REFERENCES customers(customer_name),
+ FOREIGN KEY (flight_number) REFERENCES flights(flight_number)
+);
+
+INSERT INTO customers (customer_name, customer_status, total_customer_mileage)
+ VALUES
+ ('Agustine Riviera', 'Silver', 115235),
+ ('Alaina Sepulvida', 'None', 6008),
+ ('Tom Jones', 'Gold', 205767),
+ ('Sam Rio', 'None', 2653),
+ ('Jessica James', 'Silver', 127656),
+ ('Ana Janco', 'Silver', 136773),
+ ('Jennifer Cortez', 'Gold', 300582),
+ ('Christian Janco', 'Silver', 14642);
+
+INSERT INTO aircrafts (aircraft, total_aircraft_seats)
+ VALUES
+ ('Boeing 747', 400),
+ ('Airbus A330', 236),
+ ('Boeing 777', 264);
+
+
+INSERT INTO flights (flight_number, aircraft, flight_mileage)
+ VALUES
+ ('DL143', 'Boeing 747', 135),
+ ('DL122', 'Airbus A330', 4370),
+ ('DL53', 'Boeing 777', 2078),
+ ('DL222', 'Boeing 777', 1765),
+ ('DL37', 'Boeing 747', 531);
+
+INSERT INTO bookings (customer_name, flight_number)
+VALUES
+ ('Agustine Riviera', 'DL143'),
+ ('Agustine Riviera', 'DL122'),
+ ('Alaina Sepulvida', 'DL122'),
+ ('Tom Jones', 'DL122'),
+ ('Tom Jones', 'DL53'),
+ ('Tom Jones', 'DL222'),
+ ('Sam Rio', 'DL143'),
+ ('Sam Rio', 'DL37'),
+ ('Jessica James', 'DL143'),
+ ('Jessica James', 'DL122'),
+ ('Ana Janco', 'DL222'),
+ ('Jennifer Cortez', 'DL222'),
+ ('Christian Janco', 'DL222');
+
+
+SELECT COUNT(DISTINCT flight_number) FROM flights;
+SELECT AVG(flight_mileage) FROM flights;
+SELECT AVG(aircrafts.total_aircraft_seats) FROM aircrafts;
+SELECT customer_status, AVG(total_customer_mileage) FROM customers GROUP BY customer_status;
+SELECT customer_status, MAX(total_customer_mileage) FROM customers GROUP BY customer_status;
+SELECT COUNT(*) FROM aircrafts WHERE aircraft LIKE '%Boeing%';
+SELECT * FROM flights WHERE flight_mileage BETWEEN 300 AND 2000;
+
+SELECT c.customer_status, AVG(f.flight_mileage)
+FROM bookings b
+ JOIN customers c ON b.customer_name = c.customer_name
+ JOIN flights f ON b.flight_number = f.flight_number
+GROUP BY c.customer_status;
+
+SELECT a.aircraft, COUNT(*) AS total_bookings
+FROM bookings b
+ JOIN customers c ON b.customer_name = c.customer_name
+ JOIN flights f ON b.flight_number = f.flight_number
+ JOIN aircrafts a ON f.aircraft = a.aircraft
+WHERE c.customer_status = 'Gold'
+GROUP BY a.aircraft
+ORDER BY total_bookings DESC
+LIMIT 1;
+
diff --git a/LabSQL/blog.sql b/LabSQL/blog.sql
new file mode 100644
index 0000000..2b6728a
--- /dev/null
+++ b/LabSQL/blog.sql
@@ -0,0 +1,31 @@
+CREATE DATABASE blog;
+
+USE blog;
+
+CREATE TABLE authors (
+ author VARCHAR(255) NOT NULL PRIMARY KEY
+);
+
+CREATE TABLE articles (
+ author VARCHAR(255) NOT NULL,
+ title VARCHAR(255) NOT NULL,
+ word_count INT NOT NULL,
+ views INT NOT NULL,
+ FOREIGN KEY (author) REFERENCES authors(author)
+);
+
+INSERT INTO authors (author)
+VALUES
+ ('Maria Charlotte'),
+ ('Juan Perez'),
+ ('Gemma Alcocer');
+
+INSERT INTO articles (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);;
\ No newline at end of file
diff --git a/diagram-schema.png b/diagram-schema.png
new file mode 100644
index 0000000..b57063d
Binary files /dev/null and b/diagram-schema.png differ