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 "singer" (
"Singer_ID" INT,
"Birth_Year" FLOAT,
"Citizenship" TEXT,
PRIMARY KEY ("Singer_ID")
);

CREATE TABLE "song" (
"Song_ID" INT,
"Sales" FLOAT,
"Highest_Position" FLOAT,
PRIMARY KEY ("Song_ID")
);





INSERT INTO "singer" VALUES ("1", "1945", "USA");
INSERT INTO "singer" VALUES ("2", "1945", "UK");
INSERT INTO "singer" VALUES ("3", "1945", "Canada");
INSERT INTO "singer" VALUES ("4", "1940", "USA");
INSERT INTO "singer" VALUES ("5", "1935", "UK");
INSERT INTO "singer" VALUES ("6", "1930", "Canada");
INSERT INTO "singer" VALUES ("7", "1956", "USA");
INSERT INTO "singer" VALUES ("8", "1960", "UK");
INSERT INTO "singer" VALUES ("9", "1970", "Canada");
INSERT INTO "singer" VALUES ("10", "1980", "USA");
INSERT INTO "singer" VALUES ("11", "1955", "France");
INSERT INTO "singer" VALUES ("12", "1954", "France");
INSERT INTO "singer" VALUES ("13", "1946", "France");
INSERT INTO "singer" VALUES ("14", "1944", "France");
INSERT INTO "singer" VALUES ("15", "1943", "Germany");
INSERT INTO "singer" VALUES ("16", "1960", "Germany");
INSERT INTO "singer" VALUES ("17", "1965", "Germany");
INSERT INTO "singer" VALUES ("18", "1939", "Germany");
INSERT INTO "singer" VALUES ("19", "1957", "UK");
INSERT INTO "singer" VALUES ("20", "1958", "UK");