查詢高消耗CPU的pid的SQL,SELECT /*+ ORDERED */ sql_text FROM v$sqltext a WHERE (a.hash_value, a.address) IN ( SELECT DECODE (sql_hash_value, 0, prev_hash_value, sql_hash_value ), DECODE (sql_hash_value, 0, prev_sql_addr, sql_address) FROM v$session b WHERE
Conflict Serializable Schedules • Two schedules are conflict equivalent if: – Involve the same actions of the same transactions – Every pair of conflicting actions is ordered the same way – Pairs of conflicting actions: one must be W • Schedule S is
This chapter provides information on various cables and transceivers. The information is organized into the following sections: • Ethernet Transceivers • Cisco-Approved Cable Vendors • T1/DSUs • Serial Cables — DTE or DCE — Cable Gender — Signaling
CHANGE LOG for Independent JPEG Group's JPEG software Version 9a 19-Jan-2014 ----------------------- Add support for wide gamut color spaces (JFIF version 2). Improve clarity and accuracy in color conversion modules. Note: Requires rebuild of test i
jsoncpp源码 JSON (Javascr ipt Object Notation) is a lightweight data-interchange format. It can represent integer, real number, string, an ordered sequence of value, and a collection of name/value pairs. JsonCpp (http://jsoncpp.sourceforge.net/) is a
麻省理工老师整理的java笔记，非常具有重点，以下是他对自己笔记的介绍： 这些编程笔记都是关于我所教的教科书，围绕着这本书缺少或薄弱的主题叙述。笔记的很多页面都是有用的说明，但这个笔记不是一个有序的教程。有些页面仍然是粗糙的草稿，但我正在慢慢地完善它们。 "These Java programming notes are written to fill in missing or weak topics in textbooks that I've taught from. Many page
Get to grips with key data visualization and predictive analytic skills using R About This Book Acquire predictive analytic skills using various tools of R Make predictions about future events by discovering valuable information from data using R Co
8596 最长上升子序列（必做） 时间限制:300MS 内存限制:1000K 提交次数:255 通过次数:118 题型: 编程题 语言: G++;GCC;VC Descr iption A numeric sequence of ai is ordered if a1 < a2 < ... < aN. Let the subsequence of the given numeric sequence (a1, a2, ..., aN) be any sequence (ai1
Database System Concepts——数据库系统概念第六版（英文版） 作者： Abraham Silberschatz (Yale University) Henry F. Korth (Lehigh University) S. Sudarshan (Indian Institute of Technology, Bombay) 本书目录： Chapter 1 Introduction 1.1 Database-System Applications 1 1.2 Purpose
Does your Rails code suffer from bloat, brittleness, or inaccuracy? Cure these problems with a regular dose of test-driven development. Rails 4 Test Prescr iptions is a comprehensive guide to how tests can help you design and write better Rails appl
SQUASHFS 1.3r3 - A squashed read-only filesystem for Linux Copyright 2004 Phillip Lougher (phillip@lougher.demon.co.uk) Released under the GPL licence (version 2 or later). Squashfs is currently at version 1.3 release 3. Please see the CHANGES file
SQUASHFS 2.2 - A squashed read-only filesystem for Linux Copyright 2005 Phillip Lougher (phillip@lougher.demon.co.uk) Released under the GPL licence (version 2 or later). Welcome to Squashfs version 2.2-r2. Please see the CHANGES file for details of
