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 "conductor" (
"Conductor_ID" INT,
"Name" TEXT,
"Year_of_Work" INT,
PRIMARY KEY ("Conductor_ID")
);

CREATE TABLE "orchestra" (
"Orchestra_ID" INT,
"Orchestra" TEXT,
"Year_of_Founded" FLOAT,
PRIMARY KEY ("Orchestra_ID")
);

CREATE TABLE "performance" (
"Performance_ID" INT,
"Type" TEXT,
PRIMARY KEY ("Performance_ID")
);





INSERT INTO "conductor" VALUES ("1", "Alice Johnson", "25");
INSERT INTO "conductor" VALUES ("2", "Bob Smith", "40");
INSERT INTO "conductor" VALUES ("3", "Clara Lee", "40");
INSERT INTO "conductor" VALUES ("4", "David Kim", "15");
INSERT INTO "conductor" VALUES ("5", "Eva Martinez", "30");
INSERT INTO "conductor" VALUES ("6", "Frank O'Neil", "5");
INSERT INTO "conductor" VALUES ("7", "Grace Chen", "20");
INSERT INTO "conductor" VALUES ("8", "Henry Wilson", "10");
INSERT INTO "conductor" VALUES ("9", "Isabel Garcia", "30");
INSERT INTO "conductor" VALUES ("10", "Jack Brown", "0");