Select last_name, first_name and depT_no for all employees assigned to departments

drop table if exists  "dept_emp" ; 
drop table if exists  "employees" ; 
CREATE TABLE "dept_emp" (
"emp_no" int NOT NULL,
"dept_no" char(4) NOT NULL,
"from_date" date NOT NULL,
"to_date" date NOT NULL,
PRIMARY KEY ("emp_no","dept_no"));
CREATE TABLE "employees" (
"emp_no" int NOT NULL,
"birth_date" date NOT NULL,
"first_name" varchar(14) NOT NULL,
"last_name" varchar(16) NOT NULL,
"gender" char(1) NOT NULL,
"hire_date" date NOT NULL,
PRIMARY KEY ("emp_no"));
INSERT INTO dept_emp VALUES(10001,'d001','1986-06-26','9999-01-01');
INSERT INTO dept_emp VALUES(10002,'d001','1996-08-03','9999-01-01');
INSERT INTO dept_emp VALUES(10003,'d004','1995-12-03','9999-01-01');
INSERT INTO dept_emp VALUES(10004,'d004','1986-12-01','9999-01-01');
INSERT INTO dept_emp VALUES(10005,'d003','1989-09-12','9999-01-01');
INSERT INTO dept_emp VALUES(10006,'d002','1990-08-05','9999-01-01');
INSERT INTO dept_emp VALUES(10007,'d005','1989-02-10','9999-01-01');
INSERT INTO dept_emp VALUES(10008,'d005','1998-03-11','9999-01-01');
INSERT INTO dept_emp VALUES(10009,'d006','1985-02-18','9999-01-01');
INSERT INTO dept_emp VALUES(10010,'d006','2000-06-26','9999-01-01');
INSERT INTO employees VALUES(10001,'1953-09-02','Georgi','Facello','M','1986-06-26');
INSERT INTO employees VALUES(10002,'1964-06-02','Bezalel','Simmel','F','1985-11-21');
INSERT INTO employees VALUES(10003,'1959-12-03','Parto','Bamford','M','1986-08-28');
INSERT INTO employees VALUES(10004,'1954-05-01','Chirstian','Koblick','M','1986-12-01');
INSERT INTO employees VALUES(10005,'1955-01-21','Kyoichi','Maliniak','M','1989-09-12');
INSERT INTO employees VALUES(10006,'1953-04-20','Anneke','Preusig','F','1989-06-02');
INSERT INTO employees VALUES(10007,'1957-05-23','Tzvetan','Zielinski','F','1989-02-10');
INSERT INTO employees VALUES(10008,'1958-02-19','Saniya','Kalloufi','M','1994-09-15');
INSERT INTO employees VALUES(10009,'1952-04-19','Sumant','Peac','F','1985-02-18');
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The answer

select e.last_name, e.first_name, d.dept_no from employees as e left join dept_emp as d
on e.emp_no = d.emp_no;
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Time consuming