automated commit by check50 [check50=True]

2024-03-28 22:29:38 +02:00 · 2024-03-28 22:29:38 +02:00 · e7567d9faf
commit e7567d9faf
2 changed files with 298 additions and 0 deletions
--- a/answers.txt
+++ b/answers.txt
@ -0,0 +1,3 @@
+The THIEF is: Bruce
+The city the thief ESCAPED TO: New York City
+The ACCOMPLICE is: Robin
--- a/log.sql
+++ b/log.sql
@ -0,0 +1,295 @@
+-- Keep a log of any SQL queries you execute as you solve the mystery.
+
+-- Get overview of available data (tables)
+.tables
+
+    -- airports              crime_scene_reports   people
+    -- atm_transactions      flights               phone_calls
+    -- bakery_security_logs  interviews
+    -- bank_accounts         passengers
+
+
+-- Get structure of crime_scene_reports
+.schema crime_scene_reports
+
+    -- id INTEGER,
+    -- year INTEGER,
+    -- month INTEGER,
+    -- day INTEGER,
+    -- street TEXT,
+    -- description TEXT,
+    -- PRIMARY KEY(id)
+
+-- All you know is that the theft took place on July 28, 2023 and that it took place on Humphrey Street.
+SELECT description FROM crime_scene_reports
+WHERE year = 2023 AND month = 7 AND day = 28
+AND street = 'Humphrey Street';
+
+    -- Theft of the CS50 duck took place at 10:15am at the Humphrey Street bakery. Interviews were conducted today with three witnesses who were present at the time –
+    -- each of their interview transcripts mentions the bakery.
+
+    -- Littering took place at 16:36. No known witnesses.
+
+
+-- Get structure of interviews
+.schema interviews
+
+    -- id INTEGER,
+    -- name TEXT,
+    -- year INTEGER,
+    -- month INTEGER,
+    -- day INTEGER,
+    -- transcript TEXT,
+    -- PRIMARY KEY(id)
+
+
+-- Get transcripts from the same day with mentions to bakery
+SELECT transcript FROM interviews
+WHERE year = 2023 AND month = 7 AND day = 28
+AND transcript LIKE '%bakery%';
+
+    -- Sometime within ten minutes of the theft, I saw the thief get into a car in the bakery parking lot and drive away. If you have security footage from the bakery parking lot,
+    -- you might want to look for cars that left the parking lot in that time frame.
+
+    -- I don't know the thief's name, but it was someone I recognized. Earlier this morning, before I arrived at Emma's bakery, I was walking by the ATM on Leggett Street
+    -- and saw the thief there withdrawing some money.
+
+    -- As the thief was leaving the bakery, they called someone who talked to them for less than a minute. In the call, I heard the thief say that they were planning to take
+    -- the earliest flight out of Fiftyville tomorrow. The thief then asked the person on the other end of the phone to purchase the flight ticket.
+
+
+-- Get structure of bakery_security_logs
+.schema bakery_security_logs
+
+    -- id INTEGER,
+    -- year INTEGER,
+    -- month INTEGER,
+    -- day INTEGER,
+    -- hour INTEGER,
+    -- minute INTEGER,
+    -- activity TEXT,
+    -- license_plate TEXT,
+    -- PRIMARY KEY(id)
+
+-- Get licence plates of leaving customers from within 10 minutes of theft (10:15am)
+SELECT license_plate FROM bakery_security_logs
+WHERE year = 2023 AND month = 7 AND day = 28 AND hour = 10 AND minute BETWEEN 5 AND 25
+AND activity = 'exit';
+
+    -- 5P2BI95
+    -- 94KL13X
+    -- 6P58WS2
+    -- 4328GD8
+    -- G412CB7
+    -- L93JTIZ
+    -- 322W7JE
+    -- 0NTHK55
+
+
+-- Get structure of atm_transactions
+.schema atm_transactions
+
+    -- id INTEGER,
+    -- account_number INTEGER,
+    -- year INTEGER,
+    -- month INTEGER,
+    -- day INTEGER,
+    -- atm_location TEXT,
+    -- transaction_type TEXT,
+    -- amount INTEGER,
+    -- PRIMARY KEY(id)
+
+-- Get account numbers of withdrawals from Leggett Street ATM on the day of theft
+SELECT account_number FROM atm_transactions
+WHERE year = 2023 AND month = 7 AND day = 28
+AND atm_location = 'Leggett Street' AND transaction_type = 'withdraw';
+
+    -- 28500762
+    -- 28296815
+    -- 76054385
+    -- 49610011
+    -- 16153065
+    -- 25506511
+    -- 81061156
+    -- 26013199
+
+
+-- Get structure of phone_calls
+.schema phone_calls
+
+    -- id INTEGER,
+    -- caller TEXT,
+    -- receiver TEXT,
+    -- year INTEGER,
+    -- month INTEGER,
+    -- day INTEGER,
+    -- duration INTEGER,
+    -- PRIMARY KEY(id)
+
+-- Get caller and receiver of calls with duration under a minute
+SELECT caller FROM phone_calls
+WHERE year = 2023 AND month = 7 AND day = 28
+AND duration < 60;
+
+    -- Caller         | Receiver
+    -- (130) 555-0289 | (996) 555-8899
+    -- (499) 555-9472 | (892) 555-8872
+    -- (367) 555-5533 | (375) 555-8161
+    -- (499) 555-9472 | (717) 555-1342
+    -- (286) 555-6063 | (676) 555-6554
+    -- (770) 555-1861 | (725) 555-3243
+    -- (031) 555-6622 | (910) 555-3251
+    -- (826) 555-1652 | (066) 555-9701
+    -- (338) 555-6650 | (704) 555-2131
+
+
+-- Get structure of flights
+.schema flights
+
+    -- id INTEGER,
+    -- origin_airport_id INTEGER,
+    -- destination_airport_id INTEGER,
+    -- year INTEGER,
+    -- month INTEGER,
+    -- day INTEGER,
+    -- hour INTEGER,
+    -- minute INTEGER,
+    -- PRIMARY KEY(id),
+    -- FOREIGN KEY(origin_airport_id) REFERENCES airports(id),
+    -- FOREIGN KEY(destination_airport_id) REFERENCES airports(id)
+
+-- Get structure of airports
+.schema airports
+
+    -- id INTEGER,
+    -- abbreviation TEXT,
+    -- full_name TEXT,
+    -- city TEXT,
+    -- PRIMARY KEY(id)
+
+-- Get structure of passengers
+.schema passengers
+
+    -- flight_id INTEGER,
+    -- passport_number INTEGER,
+    -- seat TEXT,
+    -- FOREIGN KEY(flight_id) REFERENCES flights(id)
+
+-- Get passengers (passport_number) of earliest flight out of Fiftyville the next day
+SELECT passport_number FROM passengers
+WHERE flight_id IN (
+    SELECT flights.id FROM flights
+    JOIN airports ON flights.origin_airport_id = airports.id
+    WHERE year = 2023 AND month = 7 AND day = 29
+    AND city = 'Fiftyville'
+    ORDER BY hour LIMIT 1
+);
+
+    -- 7214083635
+    -- 1695452385
+    -- 5773159633
+    -- 1540955065
+    -- 8294398571
+    -- 1988161715
+    -- 9878712108
+    -- 8496433585
+
+-- Get destination airport for that flight
+SELECT city FROM airports
+WHERE id IN (
+    SELECT destination_airport_id FROM flights
+    JOIN airports ON flights.origin_airport_id = airports.id
+    WHERE year = 2023 AND month = 7 AND day = 29
+    AND city = 'Fiftyville'
+    ORDER BY hour LIMIT 1
+);
+
+    -- New York City
+
+
+-- Get structure of people
+.schema people
+
+    -- id INTEGER,
+    -- name TEXT,
+    -- phone_number TEXT,
+    -- passport_number INTEGER,
+    -- license_plate TEXT,
+    -- PRIMARY KEY(id)
+
+-- Get structure of bank_accounts
+.schema bank_accounts
+
+    -- account_number INTEGER,
+    -- person_id INTEGER,
+    -- creation_year INTEGER,
+    -- FOREIGN KEY(person_id) REFERENCES people(id)
+
+-- Get the name of the thief and a phone number of accomplice
+SELECT name, receiver FROM people
+JOIN bank_accounts ON people.id = bank_accounts.person_id
+JOIN phone_calls ON people.phone_number = phone_calls.caller
+WHERE license_plate IN ( -- Licence plates of leaving customers from within 10 minutes of theft (10:15am)
+    SELECT license_plate FROM bakery_security_logs
+    WHERE year = 2023 AND month = 7 AND day = 28 AND hour = 10 AND minute BETWEEN 5 AND 25
+    AND activity = 'exit'
+)
+AND passport_number IN ( -- Ppassport numbers of people on earliest flight out of Fiftyville the next day
+    SELECT passport_number FROM passengers
+    WHERE flight_id IN (
+        SELECT flights.id FROM flights
+        JOIN airports ON flights.origin_airport_id = airports.id
+        WHERE year = 2023 AND month = 7 AND day = 29
+        AND city = 'Fiftyville'
+        ORDER BY hour LIMIT 1
+)
+AND phone_number IN ( -- Caller numbers with duration under a minute
+    SELECT caller FROM phone_calls
+    WHERE year = 2023 AND month = 7 AND day = 28
+    AND duration < 60
+)
+AND account_number IN ( -- Account numbers of withdrawals from Leggett Street ATM on the day of theft
+    SELECT account_number FROM atm_transactions
+    WHERE year = 2023 AND month = 7 AND day = 28
+    AND atm_location = 'Leggett Street' AND transaction_type = 'withdraw'
+)
+AND day = 28 AND duration < 60
+);
+
+    -- Bruce
+
+-- Get the name of the accomplice
+SELECT name FROM people
+WHERE phone_number IN (
+    SELECT receiver FROM people
+    JOIN bank_accounts ON people.id = bank_accounts.person_id
+    JOIN phone_calls ON people.phone_number = phone_calls.caller
+    WHERE license_plate IN ( -- Licence plates of leaving customers from within 10 minutes of theft (10:15am)
+        SELECT license_plate FROM bakery_security_logs
+        WHERE year = 2023 AND month = 7 AND day = 28 AND hour = 10 AND minute BETWEEN 5 AND 25
+        AND activity = 'exit'
+    )
+    AND passport_number IN ( -- Ppassport numbers of people on earliest flight out of Fiftyville the next day
+        SELECT passport_number FROM passengers
+        WHERE flight_id IN (
+            SELECT flights.id FROM flights
+            JOIN airports ON flights.origin_airport_id = airports.id
+            WHERE year = 2023 AND month = 7 AND day = 29
+            AND city = 'Fiftyville'
+            ORDER BY hour LIMIT 1
+    )
+    AND phone_number IN ( -- Caller numbers with duration under a minute
+        SELECT caller FROM phone_calls
+        WHERE year = 2023 AND month = 7 AND day = 28
+        AND duration < 60
+    )
+    AND account_number IN ( -- Account numbers of withdrawals from Leggett Street ATM on the day of theft
+        SELECT account_number FROM atm_transactions
+        WHERE year = 2023 AND month = 7 AND day = 28
+        AND atm_location = 'Leggett Street' AND transaction_type = 'withdraw'
+    )
+    AND day = 28 AND duration < 60
+    )
+);
+
+    -- Robin