Final commit

sentencias.sql

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+create database lab_sql2;
+use lab_sql2;
+# 1 Normalize the following blog database and write the DDL scripts to create the database tables:
+create table blog(
+	author varchar(100),
+    title varchar(100),
+    word_count int,
+    views int
+); 
+
+INSERT INTO blog (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);
+
+
+#2 Normalize the following airline database and write the DDL scripts to create the database tables:
+
+create table airline (
+	customer_name varchar(100),
+    customer_status varchar(100),
+    flight_number varchar(5),
+    aircraft varchar(50),
+    total_aircraft_seats int,
+    flight_mileage int,
+    total_customer_mileage int
+);
+
+INSERT INTO airline (
+    customer_name, customer_status, flight_number,
+    aircraft, total_aircraft_seats,
+    flight_mileage, total_customer_mileage
+) VALUES
+('Agustine Riviera', 'Silver', 'DL143', 'Boeing 747', 400, 135, 115235),
+('Agustine Riviera', 'Silver', 'DL122', 'Airbus A330', 236, 4370, 115235),
+('Alaina Sepulvida', 'None', 'DL122', 'Airbus A330', 236, 4370, 6008),
+('Agustine Riviera', 'Silver', 'DL143', 'Boeing 747', 400, 135, 115235),
+('Tom Jones', 'Gold', 'DL122', 'Airbus A330', 236, 4370, 205767),
+('Tom Jones', 'Gold', 'DL53', 'Boeing 777', 264, 2078, 205767),
+('Agustine Riviera', 'Silver', 'DL143', 'Boeing 747', 400, 135, 115235),
+('Sam Rio', 'None', 'DL143', 'Boeing 747', 400, 135, 2653),
+('Agustine Riviera', 'Silver', 'DL143', 'Boeing 747', 400, 135, 115235),
+('Tom Jones', 'Gold', 'DL222', 'Boeing 777', 264, 1765, 205767),
+('Jessica James', 'Silver', 'DL143', 'Boeing 747', 400, 135, 127656),
+('Sam Rio', 'None', 'DL143', 'Boeing 747', 400, 135, 2653),
+('Ana Janco', 'Silver', 'DL222', 'Boeing 777', 264, 1765, 136773),
+('Jennifer Cortez', 'Gold', 'DL222', 'Boeing 777', 264, 1765, 300582),
+('Jessica James', 'Silver', 'DL122', 'Airbus A330', 236, 4370, 127656),
+('Sam Rio', 'None', 'DL37', 'Boeing 747', 400, 531, 2653),
+('Christian Janco', 'Silver', 'DL222', 'Boeing 777', 264, 1765, 14642);
+
+
+
+#3 In the Airline database write the SQL script to get the total number of flights in the database.
+select count(*) as total_flights from airline;
+
+#4 In the Airline database write the SQL script to get the average flight distance.
+
+select avg(flight_mileage) as flight_distance from airline;
+
+#5 In the Airline database write the SQL script to get the average number of seats.
+
+select avg(total_aircraft_seats) as avg_numbers_seats from airline;
+
+#6 In the Airline database write the SQL script to get the average number of miles flown by customers grouped by status.
+
+select customer_status, avg(total_customer_mileage) as avg_miles from airline group by customer_status;
+
+#7 In the Airline database write the SQL script to get the maximum number of miles flown by customers grouped by status.
+select customer_status,max(total_customer_mileage) from airline group by customer_status;
+
+#8 In the Airline database write the SQL script to get the total number of aircraft with a name containing Boeing.
+select count(*)
+from airline
+where aircraft='Boeing 747';
+
+#9 In the Airline database write the SQL script to find all flights with a distance between 300 and 2000 miles.
+select *
+from airline
+where flight_mileage between 300 and 2000;
+
+#10 In the Airline database write the SQL script to find the average flight distance booked grouped by customer status (this should require a join).
+select customer_status,avg(flight_mileage)
+from airline
+group by customer_status;
+
+# 11 In the Airline database write the SQL script to find the most often booked aircraft by gold status members (this should require a join).