daviddoji-cs50/problems/2024/sql/atl@20260504T081256.093729371Z

2026-05-04 08:12:56 +00:00
commit 1d740a0066
1 changed files with 33 additions and 0 deletions
--- a/schema.sql
+++ b/schema.sql
@@ -0,0 +1,33 @@
+CREATE TABLE "passengers" (
+    "id" INTEGER,
+    "first_name" TEXT NOT NULL,
+    "last_name" TEXT NOT NULL,
+    "age" INTEGER NOT NULL,
+    PRIMARY KEY("id")
+);
+
+CREATE TABLE "checkins" (
+    "id" INTEGER,
+    "checkin_data" NUMERIC NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "flight" TEXT NOT NULL,
+    PRIMARY KEY("id")
+);
+
+CREATE TABLE "airlines" (
+    "id" INTEGER,
+    "name" TEXT NOT NULL,
+    "concourse" TEXT,
+    PRIMARY KEY("id")
+);
+
+CREATE TABLE "flights" (
+    "id" INTEGER,
+    "flight_number" INTEGER NOT NULL,
+    "airline" TEXT NOT NULL,
+    "departure_code" TEXT NOT NULL,
+    "arrival_code" TEXT NOT NULL,
+    "departure_date" NUMERIC NOT NULL,
+    "arrival_date" NUMERIC NOT NULL,
+    PRIMARY KEY("id"),
+    FOREIGN KEY("airline") REFERENCES "airlines"("name")
+)