Чурилов / 4 курс / Z9411_Чурилов_БазыДанных_ЛР6

КАФЕДРА 41

кандидат техн. наук

Е.Л. Турнецкая

должность, уч. степень, звание

подпись, дата

инициалы, фамилия

ОТЧЕТ О ЛАБОРАТОРНОЙ РАБОТЕ №6

Знакомство с СУБД POSTGRESQL

по курсу: БАЗЫ ДАННЫХ

СТУДЕНТ ГР. №

Z9411

А.С.Чурилов

номер группы

подпись, дата

инициалы, фамилия

CREATE TABLE jobs (

job_id varchar(10) PRIMARY KEY,

job_title varchar(35) NOT NULL,

min_salary integer,

max_salary integer);

INSERT INTO jobs

VALUES ('AD_PRES', 'President', 20080, 40000),

('AD_VP', 'Administration Vice President', 15000, 30000),

('AD_ASST', 'Administration Assistant', 3000, 6000),

('FI_MGR', 'Finance Manager', 8200, 16000),

('FI_ACCOUNT', 'Accountant', 4200, 9000),

('SA_MAN', 'Sales Manager', 10000, 20080),

('PU_MAN', 'Purchasing Manager', 8000, 15000),

('PU_CLERK', 'Purchasing Clerk', 2500, 5500),

('ST_MAN', 'Stock Manager', 5500, 8500),

('ST_CLERK', 'Stock Clerk', 2008, 5000),

('IT_PROG', 'Programmer', 4000, 10000),

('MK_MAN', 'Marketing Manager', 9000, 15000),

('HR_REP', 'Human Resources Representative', 4000, 9000);

CREATE TABLE departments (

department_id integer PRIMARY KEY,

department_name varchar(30) NOT NULL,

manager_id integer);

INSERT INTO departments VALUES

(10, 'Administration', 51),

(20, 'Marketing', 52),

(30, 'Purchasing', 15),

(40, 'Human Resources', 53),

(50, 'Shipping', 22),

(60, 'IT', 4),

(80, 'Sales', 46),

(90, 'Executive', 1),

(100, 'Finance', 9);

CREATE TABLE employees (

employee_id serial PRIMARY KEY,

first_name varchar(20) NOT NULL,

last_name varchar(25) NOT NULL,

job_id varchar(10) NOT NULL REFERENCES jobs (job_id),

salary integer,

manager_id integer,

department_id integer NOT NULL REFERENCES departments (department_id));

INSERT INTO employees (first_name, last_name, job_id, salary, manager_id, department_id)

VALUES

('Steven', 'King', 'AD_PRES', 24000, NULL, 90),

('Neena', 'Kochhar', 'AD_VP', 17000, 1, 90),

('Lex', 'De Haan', 'AD_VP', 17000, 1, 90),

('Alexander', 'Hunold', 'IT_PROG', 9000, 3, 60),

('Bruce', 'Ernst', 'IT_PROG', 6000, 4, 60),

('David', 'Austin', 'IT_PROG', 4800, 4, 60),

('Valli', 'Pataballa', 'IT_PROG', 4800, 4, 60),

('Diana', 'Lorentz', 'IT_PROG', 4200, 4, 60),

('Nancy', 'Greenberg', 'FI_MGR', 12008, 2, 100),

('Daniel', 'Faviet', 'FI_ACCOUNT', 9000, 9, 100),

('John', 'Chen', 'FI_ACCOUNT', 8200, 9, 100),

('Ismael', 'Sciarra', 'FI_ACCOUNT', 7700, 9, 100),

('Jose Manuel', 'Urman', 'FI_ACCOUNT', 7800, 9, 100),

('Luis', 'Popp', 'FI_ACCOUNT', 6900, 9, 100),

('Den', 'Raphaely', 'PU_MAN', 11000, 1, 30),

('Alexander', 'Khoo', 'PU_CLERK', 3100, 15, 30),

('Shelli', 'Baida', 'PU_CLERK', 2900, 15, 30),

('Sigal', 'Tobias', 'PU_CLERK', 2800, 15, 30),

('Guy', 'Himuro', 'PU_CLERK', 2600, 15, 30),

('Karen', 'Colmenares', 'PU_CLERK', 2500, 15, 30),

('Matthew', 'Weiss', 'ST_MAN', 8000, 1, 50),

('Adam', 'Fripp', 'ST_MAN', 8200, 1, 50),

('Payam', 'Kaufling', 'ST_MAN', 7900, 1, 50),

('Shanta', 'Vollman', 'ST_MAN', 6500, 1, 50),

('Kevin', 'Mourgos', 'ST_MAN', 5800, 1, 50),

('Julia', 'Nayer', 'ST_CLERK', 3200, 21, 50),

('Irene', 'Mikkilineni', 'ST_CLERK', 2700, 21, 50),

('James', 'Landry', 'ST_CLERK', 2400, 21, 50),

('Steven', 'Markle', 'ST_CLERK', 2200, 21, 50),

('Laura', 'Bissot', 'ST_CLERK', 3300, 22, 50),

('Mozhe', 'Atkinson', 'ST_CLERK', 2800, 22, 50),

('James', 'Marlow', 'ST_CLERK', 2500, 22, 50),

('TJ', 'Olson', 'ST_CLERK', 2100, 22, 50),

('Jason', 'Mallin', 'ST_CLERK', 3300, 23, 50),

('Michael', 'Rogers', 'ST_CLERK', 2900, 23, 50),

('Ki', 'Gee', 'ST_CLERK', 2400, 23, 50),

('Hazel', 'Philtanker', 'ST_CLERK', 2200, 23, 50),

('Renske', 'Ladwig', 'ST_CLERK', 3600, 24, 50),

('Stephen', 'Stiles', 'ST_CLERK', 3200, 24, 50),

('John', 'Seo', 'ST_CLERK', 2700, 24, 50),

('Joshua', 'Patel', 'ST_CLERK', 2500, 24, 50),

('Trenna', 'Rajs', 'ST_CLERK', 3500, 25, 50),

('Curtis', 'Davies', 'ST_CLERK', 3100, 25, 50),

('Randall', 'Matos', 'ST_CLERK', 2600, 25, 50),

('Peter', 'Vargas', 'ST_CLERK', 2500, 25, 50),

('John', 'Russell', 'SA_MAN', 14000, 1, 80),

('Karen', 'Partners', 'SA_MAN', 13500, 1, 80),

('Alberto', 'Errazuriz', 'SA_MAN', 12000, 1, 80),

('Gerald', 'Cambrault', 'SA_MAN', 11000, 1, 80),

('Eleni', 'Zlotkey', 'SA_MAN', 10500, 1, 80),

('Jennifer', 'Whalen', 'AD_ASST', 4400, 2, 10),

('Michael', 'Hartstein', 'MK_MAN', 13000, 1, 20),

('Susan', 'Mavris', 'HR_REP', 6500, 2, 40);

select department_name, min(salary)

from employees e

join departments d on e.department_id=d.department_id

where salary >= 10000

group by d.department_id;

select* from employees where (LENGTH(first_name) - LENGTH(replace (first_name, ' ', ''))+1)>1;