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daviddoji-cs50/problems/2024/sql/packages@20260421T072351.904311953Z

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bot50
2026-04-21 07:23:51 +00:00
commit e1b9baef00
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-- *** The Lost Letter ***
-- Get the address id of sender ==> id 432, type Residential
SELECT * FROM "addresses" WHERE "address" = "900 Somerville Avenue";
-- Get the address id of receiver ==> id 854, type Residential
SELECT * FROM "addresses" WHERE "address" LIKE "2 Fin%Street";
-- Get the id and contents from the parcel send by sender to receiver
SELECT * FROM "packages" WHERE "from_address_id" = 432 AND "to_address_id" = 854;
-- *** The Devious Delivery ***
-- Get the delivery address of the parcel with missing "from_address_id"
SELECT * FROM "packages" WHERE "from_address_id" IS NULL;
-- Get info about the given address
SELECT * FROM "addresses" WHERE "id" = 50;
-- *** The Forgotten Gift ***