B+-tree and Hashing. Model of Computation Data stored on disk(s) Minimum transfer unit: a page = b bytes or B records N records -> N/B = n pages I/O complexity:
CSC 2300 Data Structures & Algorithms February 27, 2007 Chapter 5. Hashing.
Data Structures Using Java1 Chapter 8 Search Algorithms.
1 Disk Storage, Basic File Structures, and Hashing.
Copyright © 2004 Pearson Education, Inc.. Chapter 13 Disk Storage, Basic File Structures, and Hashing.
Hashing. 2 Preview A hash function is a function that: When applied to an Object, returns a number When applied to equal Objects, returns the same number.
CS 361A1 CS 361A (Advanced Data Structures and Algorithms) Lectures 16 & 17 (Nov 16 and 28, 2005) Synopses, Samples, and Sketches Rajeev Motwani.
1 Hashing. 2 Introduction - Hashing zUse an array to store key values. zBut instead of storing them in a position relative to other key values (i.e. in.
Walk through previous lectures. Tuple tuple_name = (value, value,..., value) A way of packing multiple values into a variable >>> x = 3 >>> y = -5 >>>