join fetch   : department initialized = true
SQL> select e1_0.id,e1_0.city,e1_0.zip,d1_0.id,d1_0.name,e1_0.level,e1_0.name,e1_0.salary from Employee e1_0 join Department d1_0 on d1_0.id=e1_0.department_id
entity graph : department initialized = true
SQL> select e1_0.id,e1_0.city,e1_0.zip,d1_0.id,d1_0.name,e1_0.level,e1_0.name,e1_0.salary from Employee e1_0 left join Department d1_0 on d1_0.id=e1_0.department_id