feat(db/lab1): db lab1 init

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2025-09-12 11:25:45 +03:00
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= Работа №1. Создание базы данных.
== Смена пароля
```sql
ALTER USER surimi WITH PASSWORD 'trio';
```
== Создание таблиц
```sql
-- create
CREATE TABLE auto_personnel (
id serial primary key,
first_name varchar(255),
last_name varchar(255),
father_name varchar(255)
);
COMMENT ON TABLE auto_personnel IS 'Сотрудники автопарка';
CREATE TABLE auto (
id serial primary key,
num varchar(255),
color varchar(255),
mark varchar(255)
);
COMMENT ON TABLE auto IS 'Автомобили автопарка';
CREATE TABLE routes (
id serial primary key,
name varchar(255)
);
COMMENT ON TABLE routes IS 'Маршруты';
CREATE TABLE journal (
id serial primary key,
time_out timestamp with time zone,
time_in timestamp with time zone
);
COMMENT ON TABLE journal IS 'Журнал оператора';
```
== Создание связей
```sql
ALTER TABLE journal ADD COLUMN route_id INTEGER NOT NULL CONSTRAINT fk_journal_routes REFERENCES routes(id);
ALTER TABLE journal ADD COLUMN auto_id INTEGER NOT NULL CONSTRAINT fk_journal_auto REFERENCES auto(id);
ALTER TABLE auto ADD COLUMN personnel_id INTEGER NOT NULL CONSTRAINT fk_auto_auto_personnel REFERENCES auto_personnel(id);
```
== Удаление таблиц
```sql
-- drop
DROP TABLE auto_personnel CASCADE;
DROP TABLE auto CASCADE;
DROP TABLE routes CASCADE;
DROP TABLE journal CASCADE;
```
== Бекап
```sh
podman exec postgresinstance-postgres-1 pg_dump postgres -U surimi > dump.sql
```
== Восстановление
```sh
podman exec -i postgresinstance-postgres-1 psql -U surimi -d postgres < dump.sql
```