SSIS (02): Data Flow Task, Lookup - prevent data duplication

This video is about using the Lookup to prevent data duplication. Next video, I will show how to copy the huge data by using SSIS. Example, copy the data by batch instead of all data at a time Thanks for watching. :) --------------------------------------------------------------- SSIS Videos: SSIS (01): Data Flow Task - copy over the data from a database to another database https://youtu.be/fGZF1GTpRrw SSIS (02): Data Flow Task, Lookup - prevent data duplication https://youtu.be/CG6B9g6XCg0 SSIS (03): Data Flow Task, Lookup - copy huge data https://youtu.be/JjWolIsNTDA SSIS (04): Execute SQL Task, Variable - store the return value as variable https://youtu.be/c56QtG-NPJw SSIS (05): Data Flow Task, Derived Column - change the data value https://youtu.be/GgLVqSkLdkc