====== LU06.S02 - SQL-DDL: Table Management ======

===== Case studies / Assignments =====

==== Task A: CREATE TABLE ====
Create a table called employees with the following columns:

  * employee_id (INT) as the primary key
  * first_name (VARCHAR 50)
  * last_name (VARCHAR 50)
  * hire_date (DATE)
  * salary (DECIMAL)

  CREATE TABLE employees (
    employee_id INT PRIMARY KEY,
    first_name VARCHAR(50),
    last_name VARCHAR(50),
    hire_date DATE,
    salary DECIMAL(10,2)
  );


==== Task B: CREATE TABLE ====
Create a table called products to store inventory information. The table should have:

  * product_id (INT) as an auto-incrementing primary key
  * product_name (VARCHAR 100)
  * category (VARCHAR 50)
  * price (DECIMAL)
  * stock_quantity (INT)

  CREATE TABLE products (
    product_id INT AUTO_INCREMENT PRIMARY KEY,
    product_name VARCHAR(100),
    category VARCHAR(50),
    price DECIMAL(10,2),
    stock_quantity INT
  );


==== Task C: ALTER TABLE ====
Add a new column email (VARCHAR 100) to the employees table.

  ALTER TABLE employees
  ADD COLUMN email VARCHAR(100);

==== TASK D: MODIFY COLUMN ====
Change the salary column's data type to FLOAT in the employees table.

  ALTER TABLE employees
  MODIFY COLUMN salary FLOAT;

==== TASK E: DROP COLUMN ====
Remove the stock_quantity column from the products table.

  ALTER TABLE products
  DROP COLUMN stock_quantity;

==== TASK F: DROP TABLE ====
Completely remove the products table from the database.

  DROP TABLE products;

===== Vocabulary =====
^ English ^ German ^ 
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