sql

sql/samples/SQL_DEV_J130_1.txt

@@ -0,0 +1,58 @@
+-- ///////////////////////////////////////Создание таблиц///////////////////////////////////
+
+CREATE TABLE person (
+    id int primary key generated always as identity (start with 1, increment by 1),
+    full_name varchar(200) not null,
+    birth date
+);
+
+--DROP TABLE PERSON;
+
+CREATE TABLE building (
+    id int primary key generated always as identity (start with 1, increment by 1),
+    address varchar(200) not null,
+    date_build date,
+    status varchar(50),
+    type_buiding varchar(50),
+    count_men int,
+    check (type_buiding in ('жилое', 'ТЦ', 'БЦ', 'больница')),
+    check (status='build' and date_build is null or status='done' and date_build is not null)
+);
+
+--DROP TABLE BUILDING;
+
+ALTER TABLE building ADD COLUMN person_id int;
+ALTER TABLE building ADD CONSTRAINT fk_building_person FOREIGN KEY (person_id) REFERENCES person(id)
+
+-- ////////////////////////////////////////////////////Наполнение таблиц данными//////////////////////////////////////////////////
+INSERT INTO PERSON (FULL_NAME, BIRTH) VALUES ('Andrey Rozkov', '1996-12-05');
+INSERT INTO PERSON (FULL_NAME, BIRTH) VALUES ('Maksim Rozkov', '1989-10-15');
+INSERT INTO PERSON (FULL_NAME, BIRTH) VALUES ('Olga Krot', '1982-02-03');
+INSERT INTO PERSON (FULL_NAME, BIRTH) VALUES ('Natalia Ivanova', '1999-01-23');
+INSERT INTO PERSON (FULL_NAME, BIRTH) VALUES ('Vladimir Zorin', '1996-12-05');
+INSERT INTO PERSON (FULL_NAME, BIRTH) VALUES ('Ivan Karulin', '1996-08-05');
+
+UPDATE PERSON SET BIRTH = '1998-06-25' WHERE FULL_NAME LIKE '%in';
+DELETE FROM PERSON WHERE FULL_NAME='Maksim Rozkov';
+
+SELECT * FROM PERSON;
+
+INSERT INTO BUILDING (ADDRESS, DATE_BUILD, STATUS, TYPE_BUIDING, PERSON_ID) VALUES ('Saint Petersburg', '1956-02-06', 'done', 'жилое', 1);
+INSERT INTO BUILDING (ADDRESS, DATE_BUILD, STATUS, TYPE_BUIDING, PERSON_ID) VALUES ('Moscow', '1981-05-26', 'done', 'жилое', 1);
+INSERT INTO BUILDING (ADDRESS, DATE_BUILD, STATUS, TYPE_BUIDING, PERSON_ID) VALUES ('Saint Petersburg', '1843-12-15', 'done', 'жилое', 4);
+INSERT INTO BUILDING (ADDRESS, DATE_BUILD, STATUS, TYPE_BUIDING, PERSON_ID) VALUES ('Saint Petersburg', '1799-04-09', 'done', 'жилое', 5);
+INSERT INTO BUILDING (ADDRESS, DATE_BUILD, STATUS, TYPE_BUIDING) VALUES ('Moscow', '1650-01-01', 'done', 'жилое');
+INSERT INTO BUILDING (ADDRESS, DATE_BUILD, STATUS, TYPE_BUIDING) VALUES ('Moscow', '1999-11-01', 'done', 'жилое');
+INSERT INTO BUILDING (ADDRESS, STATUS, TYPE_BUIDING) VALUES ('Moscow', 'build', 'БЦ');
+
+SELECT * FROM BUILDING;
+
+-- ////////////////////////////////////////////Запросы данных из БД///////////////////////////////////////////
+SELECT * FROM BUILDING ORDER BY ID DESC; -- сортировка по полю id в обратном порядке
+SELECT DISTINCT(STATUS) FROM BUILDING; -- выводит уникальные значения поля status
+SELECT COUNT(id) FROM BUILDING; -- выводит количество записей поля id
+
+
+SELECT * FROM PERSON p LEFT JOIN BUILDING b ON p.ID=b.PERSON_ID WHERE b.PERSON_ID is null;
+SELECT * FROM PERSON RIGHT JOIN BUILDING ON PERSON.ID=BUILDING.PERSON_ID WHERE BUILDING.PERSON_ID is null;
+SELECT p.ID, b.ADDRESS, b.PERSON_ID FROM PERSON p JOIN BUILDING b ON p.ID=b.PERSON_ID; -- тоже что и INNER JOIN;

sql/samples/SQL_DEV_J130_2.txt

@@ -0,0 +1,73 @@
+-- ///////////////////////////////////Создание таблиц///////////////////////////////////////////////
+
+DROP TABLE person;
+
+CREATE TABLE person (
+    id int primary key generated always as identity (start with 1, increment by 1),
+    full_name varchar(100) not null,
+    birthday date
+);
+
+DROP TABLE BUILDING;
+
+CREATE TABLE building (
+    id int primary key generated always as identity (start with 1, increment by 1),
+    address varchar(200) not null unique,
+    date_build date,
+    status varchar(50),
+    CHECK (status in ('строится', 'сдано')),
+    CHECK (status='строится' and date_build is null or status='сдано' and date_build is not null)
+);
+
+ALTER TABLE building ADD COLUMN person_id int;
+ALTER TABLE building ADD COLUMN COUNT_MEN int;
+ALTER TABLE building ADD CONSTRAINT fk_personId_person FOREIGN KEY (person_id) REFERENCES person(id);
+
+INSERT INTO BUILDING (ADDRESS, DATE_BUILD, STATUS) VALUES ('Saint Petersburg', '2022-01-16', 'сдано');
+INSERT INTO BUILDING (ADDRESS, STATUS) VALUES ('Saint Petersburg, Green st.', 'строится');
+
+-- ////////////////////////////Наполнение таблиц данными//////////////////////////////////////
+INSERT INTO PERSON (FULL_NAME, BIRTHDAY) VALUES ('Muhin Vadim', '1985-10-25');
+INSERT INTO PERSON (FULL_NAME, BIRTHDAY) VALUES ('Ivanov Andrey', '1999-11-15');
+INSERT INTO PERSON (FULL_NAME, BIRTHDAY) VALUES ('Sergeev Sergey', '1991-05-02');
+INSERT INTO PERSON (FULL_NAME, BIRTHDAY) VALUES ('Antonov Victor', '1989-09-10');
+INSERT INTO PERSON (FULL_NAME, BIRTHDAY) VALUES ('Petrov Sergey', '1987-07-29');
+
+INSERT INTO BUILDING (ADDRESS, DATE_BUILD, STATUS, PERSON_ID) VALUES ('Saint Petersburg, Nevskiy', '1999-10-10', 'сдано', 6);
+INSERT INTO BUILDING (ADDRESS, DATE_BUILD, STATUS) VALUES ('Saint Petersburg, Chkalovskiy', '1895-10-25', 'сдано');
+INSERT INTO BUILDING (ADDRESS, DATE_BUILD, STATUS, PERSON_ID) VALUES ('Saint Petersburg, Morskaya', '1990-05-06', 'сдано', 6);
+INSERT INTO BUILDING (ADDRESS, DATE_BUILD, STATUS) VALUES ('Saint Petersburg, Konuschenaya', '1999-08-07', 'сдано');
+INSERT INTO BUILDING (ADDRESS, DATE_BUILD, STATUS, PERSON_ID) VALUES ('Saint Petersburg, Nalichnays', '1999-10-07', 'сдано', 7);
+INSERT INTO BUILDING (ADDRESS, DATE_BUILD, STATUS) VALUES ('Saint Petersburg, Kostuschko', '1998-05-01', 'сдано');
+INSERT INTO BUILDING (ADDRESS, DATE_BUILD, STATUS, PERSON_ID) VALUES ('Saint Petersburg, Veteranov', '2003-12-26', 'сдано', 8);
+INSERT INTO BUILDING (ADDRESS, STATUS) VALUES ('Saint Petersburg, Kosmonavtov', 'строится');
+
+DELETE FROM BUILDING WHERE ADDRESS LIKE '%N%';
+DELETE FROM PERSON;
+
+UPDATE PERSON SET FULL_NAME = 'Krot Evgeniy' WHERE id=6;
+
+-- ////////////////////////////////Запросы данных из БД//////////////////////////////////////////////
+SELECT ID, ADDRESS, DATE_BUILD, STATUS, PERSON_ID FROM BUILDING;
+SELECT COUNT(ID) FROM BUILDING;
+SELECT DISTINCT(STATUS) FROM BUILDING;
+SELECT COUNT(DISTINCT(STATUS)) FROM BUILDING;
+SELECT * FROM BUILDING WHERE DATE_BUILD > '1995-01-01' AND STATUS='сдано';
+
+SELECT * FROM PERSON LEFT JOIN BUILDING ON PERSON.ID = BUILDING.PERSON_ID;
+SELECT * FROM PERSON RIGHT JOIN BUILDING ON PERSON.ID = BUILDING.PERSON_ID;
+SELECT * FROM PERSON INNER JOIN BUILDING ON PERSON.ID = BUILDING.PERSON_ID;
+
+SELECT p.ID, p.FULL_NAME, b.ADDRESS FROM PERSON p LEFT JOIN BUILDING b ON p.ID = b.PERSON_ID WHERE b.PERSON_ID is null;
+SELECT * FROM PERSON RIGHT JOIN BUILDING ON PERSON.ID = BUILDING.PERSON_ID WHERE BUILDING.PERSON_ID is null;
+SELECT * FROM BUILDING WHERE PERSON_ID is null;
+SELECT * FROM PERSON FULL JOIN BUILDING ON PERSON.ID = BUILDING.PERSON_ID;
+
+-- Получить персон у которых здания построены в 1999 году
+SELECT * FROM PERSON LEFT JOIN BUILDING ON PERSON.ID = BUILDING.PERSON_ID WHERE DATE_BUILD >= '1999-01-01' AND DATE_BUILD <= '1999-12-31';
+
+-- Синтетический пример с несуществующей третьей таблицей
+SELECT * FROM PERSON 
+    LEFT JOIN 
+    (SELECT * FROM BUILDING RIGHT JOIN CADASTR ON BUILDING.ID = CADASTR.BUILDING_ID) AS cad 
+    ON PERSON.ID = cad.PERSON_ID;