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Extendible Hashing - Class Example

Extendible Hashing - Class Example. splitting bucket. splitting bucket. rec 1. d 1 =0. 0. rec 2. 1. record 3 = overflow!!. record 5 = overflow!!. d1 = 1. d1 = 1. d 1 = local depth d = global depth. rec 1. rec 4. d = 0. d = 1. rec 2. rec 3. NEXT. rec 1. rec 4.

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Extendible Hashing - Class Example

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  1. Extendible Hashing - Class Example

  2. splitting bucket splitting bucket rec 1 d1=0 0 rec 2 1 record 3 = overflow!! record 5 = overflow!! d1 = 1 d1 = 1 d1 = local depth d = global depth rec 1 rec 4 d = 0 d = 1 rec 2 rec 3 NEXT

  3. rec 1 rec 4 splitting bucket 00 01 10 record 7 = overflow!! 11 d = 2 d1 = 2 d1 = 2 d1 = 1 rec 2 rec 3 rec 5 rec 6 NEXT

  4. rec 1 rec 4 000 001 010 011 splitting bucket 100 101 110 rec 5 111 record 8 = overflow!! rec 6 d = 3 d1 = 1 d1 = 3 d1 = 2 d1 = 3 rec 2 rec 7 rec 3 NEXT

  5. 000 001 splitting bucket 010 011 100 rec 2 d1 = 3 101 rec 7 record 10 = overflow!! 110 rec 3 d1 = 3 111 rec 9 d = 3 rec 5 d1 = 2 d1 = 3 d1 = 3 d1 = 2 rec 6 NEXT rec 1 rec 4 rec 8

  6. rec 1 rec 4 rec 11 rec 8 000 rec 12 001 splitting bucket 010 011 100 rec 2 d1 = 3 101 rec 7 record 13 = overflow!! 110 rec 3 d1 = 3 111 rec 9 d = 3 d1 = 3 d1 = 3 d1 = 3 d1 = 2 d1 = 3 NEXT rec 5 rec 6 rec 10

  7. rec 1 0000 rec 4 0001 rec 11 0010 0011 rec 8 0100 rec 12 0101 rec 2 0110 rec 7 0111 1000 rec 3 1001 rec 14 1010 rec 5 1011 rec 15 d1 = 3 d1 = 4 d1 = 3 d1 = 3 1100 d1 = 4 d1 = 3 d1 = 3 d1 = 2 1101 1110 1111 d = 4 rec 6 rec 10 rec 13

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