Primary Index Time Complexity Formula

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6 Terms

1
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Blocking Factor Formula (Primary Indexing)

\lfloor\frac{\text{Page Size}}{\text{Record Size}}\rfloor

2
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Total Pages Formula (Primary Indexing)

ceil(Total Records / Blocking Factor)

3
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Primary Index Size Formula

Key Size + Pointer Size

4
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Index Blocking Factor Formula (Primary Indexing)

\lfloor\frac{\text{Block Size}}{\text{Primary Index Size}}\rfloor

5
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Pages in Primary Index (Index Pages) Formula

\lceil\frac{\text{Total Pages}}{\text{Index Blocking Factor}}\rceil

6
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Maximum Index Search Formula (Primary Indexing)

\lceil\log_2(\text{Index Pages})\rceil + 1