PRAGMA foreign_keys = ON;

PRAGMA writable_schema = 1;
DELETE FROM sqlite_master WHERE type IN ("table", "index", "trigger");
PRAGMA writable_schema = 0;
VACUUM;

CREATE TABLE "concert" (
"concert_ID" INT,
"Year" TEXT,
PRIMARY KEY ("concert_ID")
);

CREATE TABLE "singer" (
"Singer_ID" INT,
"Country" TEXT,
PRIMARY KEY ("Singer_ID")
);

CREATE TABLE "stadium" (
"Stadium_ID" INT,
"Location" TEXT,
"Name" TEXT,
PRIMARY KEY ("Stadium_ID")
);





INSERT INTO "concert" VALUES ("1", "2018");
INSERT INTO "concert" VALUES ("2", "2019");
INSERT INTO "concert" VALUES ("3", "2020");
INSERT INTO "concert" VALUES ("4", "2021");
INSERT INTO "concert" VALUES ("5", "2022");
INSERT INTO "concert" VALUES ("6", "2023");
INSERT INTO "singer" VALUES ("1", "United States");
INSERT INTO "singer" VALUES ("2", "United Kingdom");
INSERT INTO "singer" VALUES ("3", "United States");
INSERT INTO "singer" VALUES ("4", "Canada");
INSERT INTO "singer" VALUES ("5", "France");
INSERT INTO "singer" VALUES ("6", "United Kingdom");
INSERT INTO "singer" VALUES ("7", "France");
INSERT INTO "singer" VALUES ("8", "Canada");
INSERT INTO "singer" VALUES ("9", "Germany");
INSERT INTO "singer" VALUES ("10", "Germany");
INSERT INTO "singer" VALUES ("11", "United States");
INSERT INTO "singer" VALUES ("12", "Brazil");
INSERT INTO "singer" VALUES ("13", "Brazil");
INSERT INTO "singer" VALUES ("14", "Japan");
INSERT INTO "singer" VALUES ("15", "Japan");
INSERT INTO "singer" VALUES ("16", "Japan");
INSERT INTO "stadium" VALUES ("1", "New York", "Madison Square Garden");
INSERT INTO "stadium" VALUES ("2", "London", "Wembley Stadium");
INSERT INTO "stadium" VALUES ("3", "Toronto", "Scotiabank Arena");
INSERT INTO "stadium" VALUES ("4", "Paris", "Stade de France");
INSERT INTO "stadium" VALUES ("5", "Berlin", "Olympiastadion");
INSERT INTO "stadium" VALUES ("6", "Rio de Janeiro", "Maracanã");
INSERT INTO "stadium" VALUES ("7", "Tokyo", "Tokyo Dome");