add epic tolsztoj moment

backend/src/main/resources/data.direktnemsqlakiterjesztes

--- DROP TABLE documents;
--- DROP TABLE subjects;
--- DROP TABLE users;
-
--- CREATE TABLE users (
---                        username VARCHAR(255) PRIMARY KEY,
---                        fullName VARCHAR(255),
---                        password VARCHAR(255)
--- );
---
--- CREATE TABLE subjects (
---                           subjectId VARCHAR(255) PRIMARY KEY,
---                           name VARCHAR(255)
--- );
---
--- CREATE TABLE documents (
---                            id BIGINT AUTO_INCREMENT PRIMARY KEY,
---                            userId VARCHAR(255) NOT NULL,
---                            subjectId VARCHAR(255) NOT NULL,
---                            title VARCHAR(255) NOT NULL,
---                            description VARCHAR(255),
---                            uploaded TIMESTAMP,
---                            filepath VARCHAR(255) NOT NULL,
---                            FOREIGN KEY (userId) REFERENCES users(username),
---                            FOREIGN KEY (subjectId) REFERENCES subjects(subjectId)
--- );
-
--- INSERT INTO USERS(username, password, fullName) VALUES ('testUser', 'testPassword', 'Test User');
--- INSERT INTO SUBJECTS(subjectId, name) VALUES ('testId', 'Test Subject');
--- INSERT INTO DOCUMENTS(id, userId, subjectId, title, description, uploaded, filepath) VALUES (1, 'testUser', 'testId', 'Test Title', 'Test Description', CURRENT_TIMESTAMP, '/path/to/file');
-
--- INSERT INTO users (username, fullName, password) VALUES ('kazsa', 'Kada Zsolt', 'aaaa');
---
---
--- INSERT INTO subjects (subjectId) VALUES ('Szofttech');
---
--- -- Assuming 'uploaded' timestamp is correctly formatted for your DBMS, e.g., '2024-01-01 10:00:00'
--- INSERT INTO documents (userId, subjectId, title, description, uploaded, filepath) VALUES ('kazsa', 'Szofttech', '1. előadás', 'Description of the document', '2024-01-01 10:00:00', 'documents/1.eloadas_szoftvertechnologia_2024_v1.0.pdf');
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