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 "employee" (
"Employee_ID" INT,
"Name" TEXT,
PRIMARY KEY ("Employee_ID")
);

CREATE TABLE "evaluation" (
"Employee_ID" TEXT,
"Year_awarded" TEXT,
"Bonus" FLOAT,
PRIMARY KEY ("Employee_ID", "Year_awarded"),
FOREIGN KEY ("Employee_ID") REFERENCES "employee"("Employee_ID")
);

CREATE TABLE "hiring" (
"Employee_ID" INT,
"Start_from" TEXT,
PRIMARY KEY ("Employee_ID"),
FOREIGN KEY ("Employee_ID") REFERENCES "employee"("Employee_ID")
);





INSERT INTO "employee" VALUES ("1", "Alice Smith");
INSERT INTO "employee" VALUES ("2", "Bob Johnson");
INSERT INTO "employee" VALUES ("3", "Charlie Brown");
INSERT INTO "employee" VALUES ("4", "Diana Prince");
INSERT INTO "employee" VALUES ("5", "Eve Adams");
INSERT INTO "employee" VALUES ("6", "Frank White");
INSERT INTO "employee" VALUES ("7", "Grace Lee");
INSERT INTO "evaluation" VALUES ("1", "2020", "1000.0");
INSERT INTO "evaluation" VALUES ("1", "2021", "1200.50");
INSERT INTO "evaluation" VALUES ("2", "2020", "800.0");
INSERT INTO "evaluation" VALUES ("3", "2021", "1500.75");
INSERT INTO "evaluation" VALUES ("4", "2020", "0.0");
INSERT INTO "evaluation" VALUES ("4", "2021", "500.0");
INSERT INTO "evaluation" VALUES ("5", "2022", "2000.0");
INSERT INTO "evaluation" VALUES ("6", "2020", "750.25");
INSERT INTO "evaluation" VALUES ("6", "2021", "900.0");
INSERT INTO "evaluation" VALUES ("7", "2022", "1100.0");
INSERT INTO "hiring" VALUES ("1", "2019-01-15");
INSERT INTO "hiring" VALUES ("2", "2019-03-01");
INSERT INTO "hiring" VALUES ("3", "2020-06-10");
INSERT INTO "hiring" VALUES ("4", "2019-02-20");
INSERT INTO "hiring" VALUES ("5", "2021-09-01");
INSERT INTO "hiring" VALUES ("6", "2018-11-05");
INSERT INTO "hiring" VALUES ("7", "2021-04-12");