Database administration

Database administration (DBA) is a critical function in managing a company's data infrastructure. Effective database administration ensures that databases are secure, reliable, available, and efficient. Creating logical and physical data models to represent the structure of the database. Designing database schemas to efficiently organize and store data. Applying normalization techniques to eliminate data redundancy and ensure data integrity. Implementing role-based access control (RBAC) to restrict database access to authorized users. Encrypting data at rest and in transit to protect sensitive information. Developing and implementing backup strategies to ensure data can be restored in case of failure.