Description of the illustration cncpt306.eps

This graphic shows a Database Block on the left. The top shows a Data Block Header. The block contains multiple slabs. Below the header slab is a slab that says "Pointer to Updated Row." Next to this slab is an empty slab. An arrow extends out of the pointer and points to the bottom slab in a different database block. This bottom slab is labeled "Updated Row." The rest of this block is empty and is labeled "Free Space." This block has a data block header.