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Graphics Interchange Format  |  1998-02-10  |  7.2 KB  |  542x131  |  4-bit (16 colors)
   ocr: The Primary Index tracks the first record in cach block only. 6 11 2 3 7 8 9 10 11 12 13 First Block Second Block Third Block Figure 2: The Paradox Primary Index is a two-level B-tree.