Real-time databases is a field of database research and system design focused on managing data where the correctness of results depends not only on their logical validity but also on the time at which they are produced. This academic concept investigates the theoretical foundations and practical methodologies required to ensure predictable and timely processing of data operations under strict temporal constraints. Key characteristics include deterministic performance, temporal consistency, and the ability to meet deadlines for transactions and queries, which is critical for applications in domains like industrial automation, aerospace, and financial systems where delayed responses can lead to system failure or significant consequences.