Databases find applications in various industries. In e-commerce, databases manage product information, sales data, and customer information. In e-learning, databases track student progress and store educational materials. Healthcare databases enable efficient management of patient records and access to relevant information. Human resources databases streamline employee profiles and track HR-related information. Social networking and marketing rely on databases for storing user profiles and targeting sales efforts. Additionally, databases contribute to computer security by storing data on viruses and malicious applications.