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RSS订阅翻译 Life of a SQL Query SQL 查询的生命周期
Life of a SQL QueryOriginal author: Andrei MateiIntroduction 简介This document aims to explain the execution of an SQL query against CockroachDB, explaining the code paths through the various laye...
2019-01-08 10:02:44
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翻译 CockroachDB SQL中的结构化数据编码
Structured data encoding in CockroachDB SQLCockroachDB SQL中的结构化数据编码Like many databases, CockroachDB (CRDB) encodes SQL data into key-value (KV) pairs. The format evolves over time, with an eye tow...
2019-01-05 15:10:38
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翻译 The SQL layer in CockroachDB --CockroachDB 的SQL层
Last update: September 2018This document provides an architectural overview of the SQL layer in CockroachDB. The SQL layer is responsible for providing the "SQL API" that enables access to a Cockroa...
2018-12-05 21:47:14
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原创 Oracle RAC 更换存储处理过程
目标：Oracle RAC系统更换共享存储，由HUAWEI存储更换为IBM存储。计划步骤：1.根据现有的LUN的数量及大小，从IBM新分配LUN；2.使用Oracle的工具(asmca或OEM)，从磁盘组层面替换磁盘；遇到的问题：在给磁盘组添加磁盘时，系统报错，不能添加磁盘。于是测试使用新的IBM磁盘创建磁盘组，报错，alert.log中的内容如下：SQL> CREATE
2014-12-23 08:04:05
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原创 对比insert和delete操作产生的undo
对比insert和delete产生的undo测试准备：SQL> select count(*) from a; COUNT(*)---------- 2761600Elapsed: 00:00:00.20SQL> select blocks*8/1024 size_m from dba_tables where table_name
2014-12-23 07:48:45
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原创 测试存储过程的状态对执行的影响
测试目的：测试存储过程的状态对该存储过程运行的影响。环境准备：1.创建测试表 test_drop_depcreate table test_dep(name varchar2(20));insert into test_dep(name) values('ABC');commit;2.建立依赖表 test_drop_dep的存储过程create
2014-11-26 11:39:18
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转载 Grid Infrastructure Redundant Interconnect and ora.cluster_interconnect.haip (Doc ID 1210883.1)
Grid Infrastructure Redundant Interconnect and ora.cluster_interconnect.haip (Doc ID 1210883.1)To BottomModified:29-Mar-2014Type:BULLETINLanguage:
2014-04-01 13:18:49
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转载 Troubleshooting 11.2 Grid Infrastructure root.sh Issues (Doc ID 1053970.1)
Troubleshooting 11.2 Grid Infrastructure root.sh Issues (Doc ID 1053970.1)To BottomModified:20-Mar-2013Type:TROUBLESHOOTING
2014-03-02 09:30:03
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转载 How to Validate Network and Name Resolution Setup for the Clusterware and RAC (Doc ID 1054902.1)
APPLIES TO:Oracle Database - Enterprise Edition - Version 10.1.0.2 to 11.2.0.3 [Release 10.1 to 11.2]Information in this document applies to any platform.PURPOSECluster Verification Utility
2014-01-28 15:53:54
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转载 What is Split Brain in Oracle Clusterware and Real Application Cluster (Doc ID 1425586.1)
APPLIES TO:Oracle Database - Enterprise Edition - Version 10.1.0.2 and laterInformation in this document applies to any platform.PURPOSEThis note is to explain what is split brain in an Orac
2014-01-20 23:01:09
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转载 Oracle Grid Infrastructure: Understanding Split-Brain Node Eviction (Doc ID 1546004.1)
APPLIES TO:Oracle Database - Enterprise Edition - Version 11.2.0.1 and laterInformation in this document applies to any platform.PURPOSEThe purpose of this note is to explain split-brain nod
2014-01-20 22:33:34
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原创 Oracle RAC检查工具raccheck
RACcheck - RAC Configuration Audit Tool (Doc ID 1268927.1)Log in to the system as the Oracle RDBMS software installation owner (if Oracle products installed, otherwise log in as root) -- See
2014-01-15 16:20:21
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原创 安装GRID后，dbca创建库没有磁盘组问题解决
在单机上安装GRID，同时创建磁盘组DATA。数据库软件安装后，用dbca创建数据库时，选择ASM后，没有磁盘组。原因：oracle用户的组中没有asmdba,增加后ok.usermod -g oinstall -G dba,asmdba oracle
2014-01-15 14:08:39
1103
转载 Manage Audit File Directory Growth with cron (Doc ID 1298957.1)
APPLIES TO:Oracle Database Products > Exadata > Database MachineOracle Database - Enterprise Edition - Version 11.1.0.7 to 11.2.0.3 [Release 11.1 to 11.2]Information in this document applies to
2014-01-14 22:37:16
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转载 CRS 诊断数据收集：常见工具及其用法摘要 (Doc ID 1526158.1)
适用于:Oracle Database - Enterprise Edition - 版本 10.2.0.1 到 11.2.0.3 [发行版 10.2 到 11.2]本文档所含信息适用于所有平台用途本文档提供了用于诊断 CRS/GRID 问题的工具的快速指南。适用范围本文档的目标受众是需要诊断 CRS/Grid Infrastructure 问题的 DBA，或者
2014-01-12 08:23:32
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转载 PRVF-4664 PRVF-4657: Found inconsistent name resolution entries for SCAN name (文档 ID 887471.1)
APPLIES TO:Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.3 [Release 11.2]Information in this document applies to any platform.PURPOSErunInstaller (OUI) reports INS-20802
2014-01-10 22:56:48
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转载 Grid Infrastructure Single Client Access Name (SCAN) Explained (文档 ID 887522.1)
APPLIES TO:Oracle Database - Enterprise Edition - Version 11.2.0.1 and laterInformation in this document applies to any platform.PURPOSE11gR2 Grid Infrastructure (CRS) introduced Single Clie
2014-01-10 22:47:23
1361
转载 在 Unix 环境中正确设置 NLS_LANG (文档 ID 1548858.1)
在 Unix 环境中正确设置 NLS_LANG (文档 ID 1548858.1)文档内容目标 解决方案 1-检查 locale 的设置，如果需要，请更正。 2-检查所选择的 locale 是
2013-09-29 09:19:04
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原创 oclumon帮助文件
grid@HQxTAL4A:~> oclumon -hFor help from command line : oclumon -hFor help in interactive mode : -hCurrently supported verbs are :showobjects, dumpnodeview, manage, version, debug, quit,
2013-09-23 09:57:38
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翻译 Cluster Health Monitor (CHM) FAQ (文档 ID 1328466.1)
In this Document Purpose Questions and Answers What is the Cluster Health Monitor? What is the purpose of the Cluster Health Monitor?
2013-09-22 22:13:29
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转载 HugePages on Oracle Linux 64-bit (文档 ID 361468.1) 如何设置HugePages ?
HugePages on Oracle Linux 64-bit (文档 ID 361468.1)PurposeThis document aims to provide.Basic configuration of HugePages on 64-bit Linux Fundemental reasons to use HugePages on Linux References
2013-09-20 22:06:26
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转载 How to Modify SCAN Setting or SCAN Listener Port after Installation 如何修改SCAN的设置和SCAN监听的端口
How to Modify SCAN Setting or SCAN Listener Port after Installation (文档 ID 972500.1)Applies to: Oracle Database - Enterprise Edition - Version 11.2.0.1 and laterInformation in this document appl
2013-09-12 22:01:56
4172
转载 oralce RAC 归档日志的方式及RMAN备份方法
在RAC数据库中，RMAN备份的时候需要找到所有的归档日志，如何让RMAN发现所有的归档日志呢？下面是几个常用的方法：1、最简单就是使用OCFS了，但是目前只能限于WINDOWS和Linux上面，当然UNIX上也有相应的cluster filesystem，但是都是要付费的，OCFS是免费的，一直听说Oracle要发布Solaris上面的OCFS，但是到现在还没有消息。如果如用OCFS
2012-12-07 15:06:59
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原创 Android中图片与屏幕密度
在drawable中的图片在不同密度的设备上显示时，在屏幕上的占比是不一样的。如：160px的图片，在800x480的屏幕上显示：密度是：160dpi时，占屏幕的三分之一 (=160px/480px)。240dpi时，占屏幕的二分之一（>160px/480px)。如何保持图片在不同密度的设备上，图片显示相同的像素数？方法A:为不同密度的设备，准备相应的图片，放
2012-06-30 07:08:40
2634
翻译 Android Handler
public classHandlerextends Objectjava.lang.Object ↳android.os.HandlerKnown Direct SubclassesAsyncQueryHandler, AsyncQueryHandler.WorkerHandler
2012-04-21 11:16:34
854
原创 回调注册的基本方法
回调注册的基本方法：一、提供具有回调方法的类1、定义一个接口，接口中定义回调的调用方法。2、定义回调类，在该类中提供接口的注册方法，接口注册时，讲接口实现对象加入回调对象列表，在注册的事件发生后，调用回调对象列表中的回调方法；二、使用具有回调方法的类1、实现接口定义的回调方法；2、调用回调类的注册方法，将回调方法注册进回调对象；
2012-04-04 20:57:41
1955
转载 JSON 知识点
文章引用自：http://www.w3school.com.cn/json/index.aspJSON：JavaScript 对象表示法（JavaScriptObjectNotation）。JSON 是存储和交换文本信息的语法。类似 XML。JSON 比 XML 更小、更快，更易解析。什么是 JSON ？JSON 指的是 JavaScript 对
2012-03-03 17:30:15
424
转载 XML的相关知识点
引用自：http://www.w3school.com.cn/xml/index.asp实体引用在 XML 中，一些字符拥有特殊的意义。如果你把字符 "在 XML 中，有 5 个预定义的实体引用：<小于>>大于&&和号&apos
2012-03-03 17:11:49
383
翻译 Android 开发指南 翻译 User Interfaces -- Action Bar
Action bar 行动条The action bar is a window feature that identifies the application and user location, and provides user actions and navigation modes. You should use the action bar in most activities
2012-02-27 09:12:14
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翻译 Android 开发指南 翻译 User Interface -- Dialogs
User Interface -- DialogsA dialog is usually a small window that appears in front of the current Activity. The underlying Activity loses focus and the dialog accepts all user interaction. Dialog
2012-02-26 18:25:14
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翻译 Android 开发指南 翻译11 Application Resources -- String Resources
Application Resources--String Resources字符串资源A string resource provides text strings for your application with optional text styling and formatting. There are three types of resources tha
2012-02-19 19:53:50
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翻译 Android 开发指南 翻译11 Application Resources -- Drawable Resources
Application Resources -- Drawable Resources绘图资源A drawable resource is a general concept for a graphic that can be drawn to the screen and which you can retrieve with APIs such as getDrawab
2012-02-19 16:58:44
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翻译 Android 开发指南 翻译10：Intents and Intent Filters
Android 开发指南 翻译10：Intents and Intent FiltersThree of the core components of an application — activities, services, and broadcast receivers — are activated through messages, called intents. I
2012-02-11 17:14:43
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翻译 Android 开发指南 翻译9： Processes and Threads
Android 开发指南 翻译9： Processes and Threads进程和线程When an application component starts and the application does not have any other components running, the Android system starts a new Linux p
2012-02-11 11:12:36
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翻译 Android 翻译：WebView Class Overview
WebView Class OverviewA View that displays web pages. This class is the basis upon which you can roll your own web browser or simply display some online content within your Activity. It uses t
2012-02-10 23:22:21
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翻译 Android 开发指南 翻译8 Application Resources: Localization （未完......）
Android 开发指南 翻译8 Application Resources: Localization应用资源：本地化Android will run on many devices in many regions. To reach the most users, your application should handle text, audio files,
2012-02-05 22:45:42
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翻译 Android 开发指南 翻译7 Application Resources: Handling Runtime Changes（未完...）
Android 开发指南 翻译7 Application Resources: Handling Runtime Changes应用资源：处理运行时改变Some device configurations can change during runtime (such as screen orientation, keyboard availability, and languag
2012-02-05 22:41:19
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翻译 Android 开发指南 翻译6 Accessing Resources
Android 开发指南 翻译6 Accessing Resources处理资源Once you provide a resource in your application (discussed in Providing Resources), you can apply it by referencing its resource ID. All resourc
2012-02-05 22:26:11
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翻译 Android 开发指南 翻译5 Application Resources: Providing Resources
Android 开发指南 翻译5 Application Resources: Providing Resources提供资源You should always externalize application resources such as images and strings from your code, so that you can maintain them in
2012-02-05 00:32:18
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翻译 Android 开发指南 翻译4 Application Resources
Application Resources 应用系统资源You should always externalize resources such as images and strings from your application code, so that you can maintain them independently. Externalizing your resourc
2012-02-05 00:10:50
649
MySQL Connector/J 5.1 Developer Guide
2022-09-05
python-greenlet-0.4.2-4.el7.x86_64.rpm
2017-12-28
Oracle Exadata 11g Certified Implementation Specialist.pdf
2013-05-22
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