Data access methods refer to the techniques used to retrieve and manipulate data stored in databases or data storage systems. Common methods include sequential access, where data is read in a specific order, and random access, which allows data to be accessed directly without following a sequence. These methods are essential for efficient data management and retrieval. Another important aspect of data access methods is the use of application programming interfaces (APIs). APIs enable software applications to communicate with databases, allowing developers to perform operations like creating, reading, updating, and deleting data. This facilitates seamless interaction between users and data systems.