Ilias_Khugaev-w2-Databases

Week2/QA-session-content/package.json

@@ -9,6 +9,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
+    "epic_todolist": "file:",
     "faker": "^4.1.0",
     "knex": "^2.4.0",
     "mysql": "^2.18.1",

Week2/assignment/Aggregate-Functions.js

@@ -0,0 +1,17 @@
+import mysql from 'mysql2/promise';
+
+const connection = await mysql.createConnection({
+    host: 'localhost',
+    user: 'hyfuser',
+    password: 'hyfpassword'
+});
+
+
+export const aggreg = async() => {
+    connection.query("SELECT paper_title, COUNT(author_id) AS author_count FROM  research_papers GROUP BY paper_title");
+    connection.query("SELECT COUNT(research_papers.paper_id) FROM research_papers INNER JOIN authors on authors.author_id = research_papers.author_id  WHERE authors.gender = 'female'");
+    connection.query("SELECT university,  FROM authors GROUP BY university");
+    connection.query("SELECT university, COUNT(paper_id) FROM authors GROUP BY university");
+    connection.query("SELECT university, MIN(h_index), MAX(h_index) FROM authors GROUP BY university");
+
+};

Week2/assignment/Joins.js

@@ -0,0 +1,12 @@
+import mysql from 'mysql2/promise';
+
+const connection = await mysql.createConnection({
+    host: 'localhost',
+    user: 'hyfuser',
+    password: 'hyfpassword'
+});
+
+export const joins = async() => {
+    connection.query("SELECT author_name, mentor FROM authors");
+    connection.query("SELECT authors.author_name, research_papers.paper_title FROM authors LEFT JOIN research_papers ON authors.author_id =  research_papers. author_id");
+};

Week2/assignment/Keys.js

@@ -0,0 +1,31 @@
+import mysql from 'mysql2/promise';
+
+const connection = await mysql.createConnection({
+    host: 'localhost',
+    user: 'hyfuser',
+    password: 'hyfpassword'
+});
+
+try {
+    await connection.query('CREATE DATABASE IF NOT EXISTS week2');
+    await connection.query('USE week2');
+
+    await connection.query(`
+    CREATE TABLE IF NOT EXISTS authors (
+        author_id INT AUTO_INCREMENT PRIMARY KEY,
+        author_name VARCHAR(50) NOT NULL,
+        university TEXT,
+        date_of_birth DATE NOT NULL,
+        h_index INT NOT NULL,
+        paper_id INT,
+        mentor INT,
+        gender ENUM("male","female","other"),
+        FOREIGN KEY (mentor) REFERENCES authors(author_id)
+    )`);
+
+
+} catch (error) {
+    console.error(error);
+}
+
+connection.end();

Week2/assignment/Relationships.js

@@ -0,0 +1,72 @@
+import mysql from 'mysql2/promise';
+
+const connection = await mysql.createConnection({
+    host: 'localhost',
+    user: 'hyfuser',
+    password: 'hyfpassword'
+});
+
+export const relationships = async() => {
+
+    await connection.query(`
+    CREATE TABLE IF NOT EXISTS research_papers (
+        paper_id INT AUTO_INCREMENT PRIMARY KEY,
+        paper_title VARCHAR(100) NOT NULL,
+        conference TEXT,
+        author_id INT,
+        FOREIGN KEY (author_id) REFERENCES authors(author_id)
+    )`);
+
+
+    await connection.query(`
+        INSERT INTO authors (author_name, university, date_of_birth, h_index, gender) VALUES 
+        ('Alice Smith', 'MIT', '1980-05-14', 32, 'female'),
+        ('Bob Johnson', 'Stanford', '1975-03-22', 40, 'male'),
+        ('Carol White', 'Harvard', '1982-07-11', 28, 'female'),
+        ('David Brown', 'Cambridge', '1990-01-09', 18, 'male'),
+        ('Eve Davis', 'Oxford', '1987-11-29', 35, 'female'),
+        ('Frank Miller', 'ETH Zurich', '1978-08-30', 30, 'male'),
+        ('Grace Wilson', 'Caltech', '1985-09-20', 25, 'female'),
+        ('Henry Moore', 'Princeton', '1991-04-17', 22, 'male'),
+        ('Ivy Taylor', 'Yale', '1983-02-13', 27, 'female'),
+        ('Jack Anderson', 'Columbia', '1986-06-06', 29, 'male'),
+        ('Karen Thomas', 'UCLA', '1979-12-19', 31, 'female'),
+        ('Leo Jackson', 'Toronto', '1988-10-23', 19, 'male'),
+        ('Mona Lewis', 'TUM', '1993-03-03', 21, 'female'),
+        ('Nina Harris', 'Sorbonne', '1990-09-09', 24, 'female'),
+        ('Oscar Martin', 'EPFL', '1984-04-04', 33, 'male')
+    `);
+
+    await connection.query(
+        `INSERT INTO research_Papers (paper_title, conference, publish_date, author_id) VALUES 
+        ('Quantum AI', 'NeurIPS', '2020-12-01', 1),
+        ('Deep Learning Optimization', 'ICML', '2021-07-10', 1),
+        ('Neural Graphs', 'CVPR', '2019-06-15', 2),
+        ('Bioinformatics Trends', 'RECOMB', '2022-04-03', 3),
+        ('Genetic Algorithms', 'GECCO', '2018-07-28', 3),
+        ('Quantum Circuits', 'QIP', '2020-01-20', 4),
+        ('AI in Medicine', 'MedConf', '2021-11-12', 5),
+        ('Secure ML', 'IEEE S&P', '2022-05-06', 6),
+        ('Blockchain Systems', 'CryptoCon', '2019-08-08', 6),
+        ('Data Visualization', 'VIS', '2020-10-15', 7),
+        ('NLP Advancements', 'ACL', '2021-08-20', 8),
+        ('Ethics of AI', 'AAAI', '2020-02-14', 9),
+        ('Robotics Control', 'ICRA', '2018-05-30', 10),
+        ('Swarm Intelligence', 'ANTS', '2021-09-01', 10),
+        ('3D Vision', 'SIGGRAPH', '2019-07-15', 11),
+        ('Cloud Security', 'USENIX', '2022-01-10', 12),
+        ('Edge Computing', 'EdgeConf', '2021-03-22', 12),
+        ('IoT Protocols', 'IoTConf', '2020-06-13', 13),
+        ('Image Compression', 'ICIP', '2019-09-09', 14),
+        ('Virtual Reality', 'VRConf', '2021-12-05', 14),
+        ('BioNLP', 'EMNLP', '2019-11-11', 15),
+        ('AI+Law', 'LAWConf', '2022-02-18', 15),
+        ('Graph Theory AI', 'NeurIPS', '2021-07-07', 5),
+        ('Medical Robotics', 'MedConf', '2022-03-04', 7),
+        ('AI for Education', 'EDM', '2020-04-20', 8),
+        ('Data Ethics', 'FAT*', '2019-05-25', 9),
+        ('ML at Scale', 'BigDataConf', '2021-10-30', 11),
+        ('Vision & Language', 'CVPR', '2022-06-01', 13),
+        ('Quantum ML', 'QMLConf', '2020-12-12', 2),
+        ('Adversarial Attacks', 'BlackHat', '2021-01-09', 4)`);
+}

Week2/assignment/package.json

@@ -0,0 +1,16 @@
+{
+    "name": "assignment",
+    "version": "1.0.0",
+    "main": "authors.js",
+    "type": "module",
+    "scripts": {
+        "test": "echo \"Error: no test specified\" && exit 1"
+    },
+    "author": "",
+    "license": "ISC",
+    "description": "",
+    "dependencies": {
+        "assignment": "file:",
+        "mysql2": "^3.14.1"
+    }
+}