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UB-tree - Wikipedia
The UB-tree as proposed by Rudolf Bayer and Volker Markl is a balanced tree for storing and efficiently retrieving multidimensional data. Like a B+ tree, information is stored only in the leaves. Records are stored according to Z-order, also called Morton order. Z-order is calculated by bitwise interlacing of the keys. Insertion, deletion, and point query are done as with ordinary B+ trees. To per
Q4M - a Message Queue for MySQL
Q4M (Queue for MySQL) is a message queue licensed under GPL that works as a pluggable storage engine of MySQL, designed to be robust, fast, flexible. It is already in production quality, and is used by several web services (see Users of Q4M). To start using Q4M, download either a binary or source distribution from the install page, and follow the installation instructions. A small tutorial is also
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Flash-Based DBMSã®æœ€å‰ç·š
フラッシュメモリーを使ã£ãŸSolid State Drive (SSD)ã®å®¹é‡ãŒ160GBã«åˆ°é”ã—ã€å¸‚å ´ä¾¡æ ¼ã‚‚ä¸‹ãŒã£ã¦ããŸã“ã¨ã«ã‚ˆã‚Šã€ãƒãƒ¼ãƒ‰ãƒ‡ã‚£ã‚¹ã‚¯ã®ä»£æ›¿å“ã¨ã—ã¦SSDを使ã†ç”¨é€”ãŒã„よã„よç¾å®Ÿå‘³ã‚’帯ã³ã¦ãã¾ã—ãŸã€‚低容é‡ã®ã‚‚ã®ãªã‚‰æ—¢ã«iPodやデジカメ用ã®ãƒ¡ãƒ‡ã‚£ã‚¢ãªã©èº«ã®å›žã‚Šã«ã‚‚æ™®åŠã—ã¦ãŠã‚Šã€å¸‚å ´ã§ã¯ã™ã§ã«ã€Œç ´å£Šçš„イノベーション（「イノベーションã®ã‚¸ãƒ¬ãƒ³ãƒžâ€•æŠ€è¡“é©æ–°ãŒå·¨å¤§ä¼æ¥ã‚’æ»…ã¼ã™ã¨ãã€ã‚ˆã‚Šï¼‰ã€ãŒèµ·ã“ã£ã¦ã„ã‚‹ã¨ã„ãˆã¾ã™ã€‚（HDDæ載ã®Walkmanã¨ã‹æ—¢ã«æ»…ã‚“ã§ã„る例もã‚ã‚‹ã—。。。）
Flash Based Database Systems
Flash Disks E. Gal, and S. Toledo. Algorithms and Data Structures for Flash Memories. ACM Computing Surveys 2005. [pdf] Hyojun Kim and Seongjun Ahn. BPLRU: A Buffer Management Scheme for Improving Random Writes in Flash Storage, FAST 2008 [pdf] M. Rosenblum, and J. K. Ousterhout. The Design and Implementation of a Log-Structured File System. SOSP 1991. [pdf] A. Birrell, M. Isard, C. Thacker, and
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SQLite Tutorial
Copyright (c) 2004 by Mike Chirico [email protected].net This material may be distributed only subject to the terms and conditions set forth in the Open Publication License v1.0, 8 June 1999 or later. The latest update of this document . Updated: Thu Jan 11 17:35:19 EST 2007 This article explores the power and simplicity of sqlite3, starting with common commands and triggers. It then cove
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