Overflow chains - PowerPoint PPT Presentation

Database Systems ( 資料庫系統 )

Database Systems ( 資料庫系統 ). November 26/28, 2007 Lecture #9. Announcement. Hand in your assignment #4 on Wed. African Poverb. Every morning, a zebra wakes up, it knows that it must run faster than the fastest lion, or it will be eaten; every morning, a lion wakes up,

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6.830 Lecture 7

6.830 Lecture 7. 2/27/2013 Extensible Hashing, B+Trees , Buffer Pool Management. Hash Index. n buckets, on n disk pages Disk page 1 … Disk Page n. (‘ sam ’, 10k, …) (‘ joe ’, 20k, …). H(f1). e.g., H(x) = x mod n. Issues How big to make table? If we get it wrong, either

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