What is ROW_OVERFLOW_DATA? How does it work?

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1. What is ROW_OVERFLOW_DATA? How does it work?

ROW_OVERFLOW_DATA : Assume that a table is created with record size 12000 bytes having 4 varchar data types of size 4000 bytes. Whenever user inserts a record with size greater than 8000 (page size is 8K), then the excess data is moved to ROW_OVERFLOW_DATA pages. In simple terms, ROW_OVERFLOW_DATA pages will come in to picture only when the row size exceed page maximum limit.

By Hena Parveen 2 0

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