Data Schema Evolution


Data Schema Evolution refers to the process of modifying the structure of a database schema over time to accommodate changes in the data model or business requirements. It involves adding, deleting, or modifying tables, columns, constraints, and relationships in a database schema. Data Schema Evolution is a critical aspect of database management, as it enables organizations to adapt to changing business needs and data models without disrupting existing applications or data. It also ensures data integrity and consistency across the organization's systems. Data Schema Evolution can be a complex and time-consuming process, requiring careful planning, testing, and coordination with stakeholders. It is often facilitated by tools and techniques such as version control, data migration, and automated testing.


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