: Moving data between different database systems.
The keyword primarily refers to specialized training documentation for SQL Server Integration Services (SSIS) , specifically as part of the Microsoft Certified Technology Specialist (MCTS) curriculum . While "4K" is often associated with video resolution, in this context, it may refer to high-definition visual aids or specific course modules within data engineering. What is SSIS? SSIS-448 4K
: Identifying and correcting errors or inconsistencies in data sets. : Moving data between different database systems