Incomplete King Of The Hill code

sql/create_database_structure.sql

@@ -191,5 +191,18 @@ CREATE TABLE IF NOT EXISTS badges (
 	name VARCHAR(50) NOT NULL,
 	active BOOLEAN NOT NULL DEFAULT FALSE,
 
+	CONSTRAINT FOREIGN KEY fk_accountId(accountId) REFERENCES accounts(id) ON UPDATE CASCADE ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS badgesTimespan ( #for recording timespan-related badges
+	id INTEGER UNSIGNED AUTO_INCREMENT PRIMARY KEY UNIQUE,
+	td TIMESTAMP DEFAULT CURRENT_TIMESTAMP(),
+
+	accountId INTEGER UNSIGNED,
+
+	name VARCHAR(50) NOT NULL,
+
+	qualifyTime TIMESTAMP DEFAULT CURRENT_TIMESTAMP(),
+
 	CONSTRAINT FOREIGN KEY fk_accountId(accountId) REFERENCES accounts(id) ON UPDATE CASCADE ON DELETE CASCADE
 );