Referential integrity is a critical aspect of relational databases, ensuring that relationships between data tables remain reliable and meaningful. By enforcing rules that prevent data anomalies, such as orphaned records or broken links, referential integrity safeguards the consistency and accuracy of interconnected data. This principle is vital for businesses relying on structured data in customer relationship management systems, e-commerce platforms, or financial databases, as a lapse in database integrity can lead to inaccuracies, inefficiencies, and business disruptions. To maintain referential integrity, organizations must follow best practices, including automating constraints and validations, documenting database relationships, normalizing the database structure, monitoring database integrity regularly, implementing backup and recovery plans, and training their team on the importance of referential integrity. Several tools and technologies, such as Acceldata, provide robust support for maintaining referential integrity in relational databases, simplifying the process and enhancing database reliability at scale.