Full Stack Technology refers to the development of both the front-end (client-side) and back-end (server-side) of web applications. A full stack developer is proficient in handling all aspects of the development process, ensuring seamless integration between the user interface and server-side logic. This holistic approach provides a cohesive and efficient development cycle, delivering complete, functional web applications. 

Front-End Development focuses on creating the visual and interactive elements of a web application. Using technologies like HTML, CSS, and JavaScript, along with modern frameworks such as Angular, React, or Vue.js, front-end developers build responsive, engaging user interfaces. Their responsibilities include designing layouts that adapt across devices, optimizing performance, ensuring accessibility, and enhancing usability, all while focusing on providing a seamless and intuitive user experience. Front-end development is key to user satisfaction and the overall success of the application. 

Back-End Development deals with the server-side logic and database interactions that power web applications. Technologies like Node.js, Python, Ruby, Java, and PHP are commonly used for creating the core logic that handles data processing and interaction with the front end. Back-end developers are responsible for managing authentication systems, ensuring data is processed correctly, and integrating APIs with third-party services. By focusing on performance, security, and scalability, back-end development forms the foundation of a reliable and robust web application. 

Database Management is crucial for organizing, storing, and retrieving data in web applications. Utilizing SQL databases like MySQL and PostgreSQL, as well as NoSQL databases such as MongoDB and Cassandra, database administrators design structures that ensure data integrity and efficiency. They set up indexing, relationships, and constraints to ensure fast data retrieval, and they optimize queries to maintain the performance and scalability of applications. Database management is vital for maintaining smooth data flow and supporting the overall functionality of web applications.