data - 随笔分类(第14页) - papering

摘要：http://blog.sciencenet.cn/home.php?mod=space&uid=287179&do=blog&id=883429 阅读全文

posted @ 2017-01-10 16:17 papering 阅读(178) 评论(0) 推荐(0)

摘要：行为监控阅读全文

posted @ 2017-01-05 12:29 papering 阅读(138) 评论(0) 推荐(0)

whether the computers in a cluster share access to the same disks

摘要：COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION In the literature, clusters are classified in a number of different way 阅读全文

posted @ 2017-01-01 00:35 papering 阅读(186) 评论(0) 推荐(0)

an alternative to symmetric multiprocessing

摘要：COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION 17.5 CLUSTERSAn important and relatively recent development computer sy 阅读全文

posted @ 2017-01-01 00:24 papering 阅读(180) 评论(0) 推荐(0)

Different Approaches for MVCC

摘要：https://www.enterprisedb.com/well-known-databases-use-different-approaches-mvcc Well-known Databases Use Different Approaches for MVCC Well-known Data 阅读全文

posted @ 2016-12-31 19:42 papering 阅读(223) 评论(0) 推荐(0)

Any changes made by a writer will not be seen by other users of the database until the changes have been completed

摘要：https://en.wikipedia.org/wiki/Multiversion_concurrency_control Multiversion concurrency control (MCC or MVCC), is a concurrency control method commonl 阅读全文

posted @ 2016-12-31 19:18 papering 阅读(206) 评论(0) 推荐(0)

SHARE NOTHING SHARE EVERYTHING

摘要：https://mp.weixin.qq.com/s/pMOqLJVCVuKG65ClXKHv7g 【科技文】PGXZ—腾讯分布式关系数据集群—架构解析 Original 2016-06-27 jasonysli 腾讯技术工程官方号 jasonysli李跃森本文作者数据平台部存储引擎组PGXZ项目负阅读全文

posted @ 2016-12-31 18:44 papering 阅读(1428) 评论(0) 推荐(0)

principal-component-analysis

摘要：http://support.minitab.com/en-us/minitab/17/topic-library/modeling-statistics/multivariate/principal-components-and-factor-analysis/what-is-pca/ http: 阅读全文

posted @ 2016-12-30 20:04 papering 阅读(243) 评论(0) 推荐(0)

most queries (more than 90 percent) never hit the database at all but only touch the cache layer

摘要：https://gigaom.com/2011/12/06/facebook-shares-some-secrets-on-making-mysql-scale/ Facebook shares some secrets on making MySQL scale Derrick Harris De 阅读全文

posted @ 2016-12-30 15:34 papering 阅读(212) 评论(0) 推荐(0)

w-BIG TABLE 1-toSMALLtable @-toMEMORY

摘要：BIG TABLE 1-toSMALLtable @-toMEMORY 阅读全文

posted @ 2016-12-30 15:00 papering 阅读(117) 评论(0) 推荐(0)

Indexing and Hashing

摘要：DATABASE SYSTEM CONCEPTS, SIXTH EDITION11.1 Basic ConceptsAn index for a ﬁle in a database system works in much the same way as the indexin this textb 阅读全文

posted @ 2016-12-30 14:56 papering 阅读(174) 评论(0) 推荐(0)

12.162s 1805.867s

摘要：1 [SQL]DROP PROCEDURE IF EXISTS truncate_insert_sales_rank_toparow_week; 2 受影响的行: 0 3 时间: 0.001s 4 5 [SQL] 6 7 CREATE PROCEDURE truncate_insert_sales_rank_toparow_week () 8 BEGIN ... 阅读全文

posted @ 2016-12-30 12:16 papering 阅读(171) 评论(0) 推荐(0)

w-BIG TABLE-view+where-small table

摘要：w-BIG TABLE USING BTREE >BETTER >USING HASH 阅读全文

posted @ 2016-12-29 15:59 papering 阅读(221) 评论(0) 推荐(0)

Introduction to Structured Data json的2种形式 JAVA解析JSON数据 - JsonArray JsonObject

摘要：https://developers.google.com/search/docs/guides/intro-structured-data Structured data refers to kinds of data with a high level of organization, such 阅读全文

posted @ 2016-12-29 09:45 papering 阅读(217) 评论(0) 推荐(0)

发现美的眼睛 Prepared SQL Statement

摘要：http://dev.mysql.com/doc/refman/5.7/en/sql-syntax-prepared-statements.html 阅读全文

posted @ 2016-12-28 14:17 papering 阅读(172) 评论(0) 推荐(0)

he time that it takes to bring a block from disk into main memory

摘要：DATABASE SYSTEM CONCEPTS, SIXTH EDITION There is a trade-off that the system designer must make between access timeand space overhead. Although the de 阅读全文

posted @ 2016-12-20 19:35 papering 阅读(185) 评论(0) 推荐(0)

DDL DML DCL SQL

摘要：https://dev.mysql.com/doc/refman/5.7/en/glossary.html#glos_ddl SQL The Structured Query Language that is standard for performing database operations. 阅读全文

posted @ 2016-12-20 10:26 papering 阅读(278) 评论(0) 推荐(0)

Checklist For Choosing The Right Database Engine

摘要：http://sqlite.org/whentouse.html Appropriate Uses For SQLite SQLite is not directly comparable to client/server SQL database engines such as MySQL, Or 阅读全文

posted @ 2016-12-16 19:08 papering 阅读(228) 评论(0) 推荐(0)

cascading rollback 级联回滚

摘要：Computer Science An Overview _J. Glenn Brookshear _11th Edition To emphasize the delicate nature of DBMS design, we should note that thereare subtle p 阅读全文

posted @ 2016-11-17 12:53 papering 阅读(442) 评论(0) 推荐(0)

by maintaining a log containing a record of each transaction’s activities - The Commit/Rollback Protocol

摘要：Computer Science An Overview _J. Glenn Brookshear _11th Edition Before a transaction is allowed to alter the database, the alteration to be per-formed 阅读全文

posted @ 2016-11-17 12:50 papering 阅读(167) 评论(0) 推荐(0)

papering

随笔分类 - data