CREATE TABLE alumni( id INT PRIMARY KEY AUTO_INCREMENT, name VARCHAR(50), email VARCHAR(50) UNIQUE );
CREATE TABLE knowledge_category( category_id INT PRIMARY KEY, category_name VARCHAR(50) );
CREATE TABLE knowledge_base( kb_id INT PRIMARY KEY, title VARCHAR(100), content TEXT, category_id INT, FOREIGN KEY(category_id) REFERENCES knowledge_category(category_id));
ALTER TABLE knowledge_base ADD FULLTEXT(title, content);