TUGAS 3 BASIS DATA SUHENDRA

Introduction

This tutorial provides a comprehensive guide on completing Tugas 3 (Task 3) of the Basis Data (Database) course presented by Suhendra. It will walk you through the essential steps required to successfully complete the assignment, ensuring you understand key concepts and methodologies relevant to database management.

Step 1: Understand the Task Requirements

• Review the assignment guidelines thoroughly to understand what is expected.

Identify the main objectives of Tugas 3, which may include

• Designing a database schema.
• Implementing SQL queries.
• Analyzing data based on specific criteria.

Step 2: Choose Your Database Management System

Select a suitable Database Management System (DBMS) for your project. Popular options include

• MySQL
• PostgreSQL
• SQLite
• Ensure you have the software installed and configured correctly on your computer.

Step 3: Design the Database Schema

• Begin sketching the database schema based on the requirements.

Define the tables needed for your database. Each table should represent a specific entity. For example

• Users
• Orders
• Products
• Determine the relationships between the tables (One-to-One, One-to-Many, Many-to-Many).

Key Considerations:

• Ensure proper normalization to reduce redundancy.
• Assign primary keys to each table for unique identification.

Step 4: Create the Database and Tables

• Open your DBMS and create a new database using the following SQL command:

  CREATE DATABASE your_database_name;
  

• Create tables with the necessary fields. Example SQL for creating a table:

  CREATE TABLE Users (
      UserID INT PRIMARY KEY,
      UserName VARCHAR(50),
      Email VARCHAR(100)
  );
  

Step 5: Insert Sample Data

• Populate your tables with sample data to test your queries. Use the following SQL command structure:

  INSERT INTO Users (UserID, UserName, Email) VALUES (1, 'John Doe', 'john@example.com');
  

Step 6: Write SQL Queries

Develop SQL queries to retrieve and manipulate data. Common queries include

• SELECT statements for data retrieval:

  SELECT * FROM Users WHERE UserName = 'John Doe';
  

• JOIN statements to combine data from multiple tables:

  SELECT Users.UserName, Orders.OrderID
  FROM Users
  JOIN Orders ON Users.UserID = Orders.UserID;
  

Step 7: Test Your Queries

• Execute your SQL queries in the DBMS to ensure they return the expected results.
• Debug any issues that arise by checking the syntax and logic of your queries.

Conclusion

In this tutorial, you have learned how to approach Tugas 3 of the Basis Data course by understanding the requirements, designing a database schema, and implementing SQL queries. Ensure you test your database thoroughly and seek feedback if needed. As a next step, consider exploring more advanced SQL functions or database optimization techniques to further enhance your skills.