问一个问题(user_name,sex,age,birthday,email,mobile," + "create_user,create_date,update_user,update_date,isdel)中create_date是什么？还是一种日期格式

Connection conn=DBUtil.getConnection();

String sql="" +

"insert into imooc_goddess" +

"(user_name,sex,age,birthday,email,mobile," +

"create_user,create_date,update_user,update_date,isdel)" +

"values(" +

"?,?,?,?,?,?,?,current_date(),?,current_date(),?)";

PreparedStatement ptmt=conn.prepareStatement(sql);