Data integration is the process of uniting data from multiple sources into a single source of information, allowing organizations to move and transform raw data from disparate applications and systems to a data storage solution. This enables teams to easily distill their data into relevant, actionable insights, making better business decisions, gaining holistic views of customers, and streamlining operations. Data integration solves data silos by connecting systems, moving transformed data across the organization, and preserving master data sets while relocating critical information to downstream databases. The process typically includes replicating, cleansing, mapping, transforming, and migrating data to a data warehouse, database, or data lake. Various patterns, such as Extract, Transform, Load (ETL), Extract, Load, and Transform (ELT), Data Streaming, Data Virtualization, and Application Integration, are used to implement data integration. Effective integration streamlines the process of sharing and using siloed information, providing benefits like better collaboration between departments, security, efficiency, and cost savings, as well as enabling organizations to make stronger, well-informed decisions. However, challenges such as standardized interfaces, growing business demands, integrating external data, and choosing a suitable data integration tool provider must be considered when evaluating solutions for data strategy.