Gather

How to Gather Optimizer Statistics on 12c (Doc ID 1445302.1)

InthisDocument Goal Solution ReferencesAPPLIESTO:OracleDatabase-EnterpriseEdition-Version12.1.0.1andlaterOracleDatabase-StandardEdition-Version12.1.0.1andlaterOracleDatabase-PersonalEdition-Version12.
songyongbo_107·2014-11-27 17:00

How to Gather Optimizer Statistics on 11g (Doc ID 749227.1)

InthisDocument Goal Solution QuickRecreateRecommendation ImportantNotesRegardingtheGatheringofOptimizerStatistics GatheringObjectstatistics Usealargeenoughsamplesize Gatherstatisticsonallobjects Colle
songyongbo_107·2014-11-27 17:00

How to Gather Optimizer Statistics on 10g (Doc ID 605439.1)

InthisDocument Goal Solution ReferencesAPPLIESTO:OracleDatabase-PersonalEdition-Version10.1.0.2to10.2.0.5[Release10.1to10.2]OracleDatabase-StandardEdition-Version10.1.0.2to10.2.0.5[Release10.1to10.2]O
songyongbo_107·2014-11-27 16:00

How to Gather Optimizer Statistics on 9i (Doc ID 388474.1)

InthisDocument  Goal  Solution  ReferencesAPPLIESTO:OracleServer-EnterpriseEdition-Version:9.0.1.4to9.2.0.8-Release:9.0.1to9.2Informationinthisdocumentappliestoanyplatform.GOALThisDocumentoutlinethere
songyongbo_107·2014-11-27 12:00

How does the METHOD_OPT parameter work —— Method_opt 参数应用

这篇文章将详细介绍method_opt参数怎样影响目标列上的统计信息以及为目标列收集什么类型的统计信息.Method_opt可能是存储过程dbms_stats.gather_*_stats中最令人费解的参数
dataminer_2007·2014-11-26 18:36

Java NIO vs. IO

JavaNio 1JavaNIOTutorial2JavaNIOOverview3JavaNIOChannel4JavaNIOBuffer5JavaNIOScatter/Gather6JavaNIOChanneltoChannelTransfers7JavaNIOSelector8JavaNIOFileChannel9JavaNIOSocketChannel10JavaNIOServerSocke
sleks·2014-11-20 08:00

Java NIO Pipe

JavaNio 1JavaNIOTutorial2JavaNIOOverview3JavaNIOChannel4JavaNIOBuffer5JavaNIOScatter/Gather6JavaNIOChanneltoChannelTransfers7JavaNIOSelector8JavaNIOFileChannel9JavaNIOSocketChannel10JavaNIOServerSocke
sleks·2014-11-20 08:00

Java NIO DatagramChannel

JavaNio 1JavaNIOTutorial2JavaNIOOverview3JavaNIOChannel4JavaNIOBuffer5JavaNIOScatter/Gather6JavaNIOChanneltoChannelTransfers7JavaNIOSelector8JavaNIOFileChannel9JavaNIOSocketChannel10JavaNIOServerSocke
sleks·2014-11-20 08:00

Java NIO ServerSocketChannel

JavaNio 1JavaNIOTutorial2JavaNIOOverview3JavaNIOChannel4JavaNIOBuffer5JavaNIOScatter/Gather6JavaNIOChanneltoChannelTransfers7JavaNIOSelector8JavaNIOFileChannel9JavaNIOSocketChannel10JavaNIOServerSocke
sleks·2014-11-20 08:00

Java NIO SocketChannel

JavaNio 1JavaNIOTutorial2JavaNIOOverview3JavaNIOChannel4JavaNIOBuffer5JavaNIOScatter/Gather6JavaNIOChanneltoChannelTransfers7JavaNIOSelector8JavaNIOFileChannel9JavaNIOSocketChannel10JavaNIOServerSocke
sleks·2014-11-20 08:00

Java NIO FileChannel

JavaNio 1JavaNIOTutorial2JavaNIOOverview3JavaNIOChannel4JavaNIOBuffer5JavaNIOScatter/Gather6JavaNIOChanneltoChannelTransfers7JavaNIOSelector8JavaNIOFileChannel9JavaNIOSocketChannel10JavaNIOServerSocke
sleks·2014-11-20 08:00

Java NIO Selector

JavaNio 1JavaNIOTutorial2JavaNIOOverview3JavaNIOChannel4JavaNIOBuffer5JavaNIOScatter/Gather6JavaNIOChanneltoChannelTransfers7JavaNIOSelector8JavaNIOFileChannel9JavaNIOSocketChannel10JavaNIOServerSocke
sleks·2014-11-20 08:00

Java NIO Channel to Channel Transfers

JavaNio 1JavaNIOTutorial2JavaNIOOverview3JavaNIOChannel4JavaNIOBuffer5JavaNIOScatter/Gather6JavaNIOChanneltoChannelTransfers7JavaNIOSelector8JavaNIOFileChannel9JavaNIOSocketChannel10JavaNIOServerSocke
sleks·2014-11-20 08:00

Java NIO Scatter / Gather

JavaNio 1JavaNIOTutorial2JavaNIOOverview3JavaNIOChannel4JavaNIOBuffer5JavaNIOScatter/Gather6JavaNIOChanneltoChannelTransfers7JavaNIOSelector8JavaNIOFileChannel9JavaNIOSocketChannel10JavaNIOServerSocke
sleks·2014-11-20 08:00

Java NIO Buffer

JavaNio 1JavaNIOTutorial2JavaNIOOverview3JavaNIOChannel4JavaNIOBuffer5JavaNIOScatter/Gather6JavaNIOChanneltoChannelTransfers7JavaNIOSelector8JavaNIOFileChannel9JavaNIOSocketChannel10JavaNIOServerSocke
sleks·2014-11-20 08:00

Java NIO Channel

JavaNio 1JavaNIOTutorial2JavaNIOOverview3JavaNIOChannel4JavaNIOBuffer5JavaNIOScatter/Gather6JavaNIOChanneltoChannelTransfers7JavaNIOSelector8JavaNIOFileChannel9JavaNIOSocketChannel10JavaNIOServerSocke
sleks·2014-11-20 08:00

Java NIO Overview

JavaNio 1JavaNIOTutorial2JavaNIOOverview3JavaNIOChannel4JavaNIOBuffer5JavaNIOScatter/Gather6JavaNIOChanneltoChannelTransfers7JavaNIOSelector8JavaNIOFileChannel9JavaNIOSocketChannel10JavaNIOServerSocke
sleks·2014-11-20 08:00

Java NIO Tutorial

JavaNio 1JavaNIOTutorial2JavaNIOOverview3JavaNIOChannel4JavaNIOBuffer5JavaNIOScatter/Gather6JavaNIOChanneltoChannelTransfers7JavaNIOSelector8JavaNIOFileChannel9JavaNIOSocketChannel10JavaNIOServerSocke
sleks·2014-11-20 08:00

recon-ng 百度模块

kali中使用recon-ng中recon/hosts/gather/http/web/baidu_site模块recon-ng>userecon/hosts/gather/http/web/baidu_siterecon-ng
iteye_16188·2014-11-14 01:36

recon-ng 百度模块

kali中使用recon-ng中recon/hosts/gather/http/web/baidu_site模块 recon-ng > use recon/hosts/gather/http
j4s0nh4ck·2014-11-14 01:00

python读取图片exif信息

f=open("/home/admin/tlog-proxy/logs/gather/172.20.186.157/home/admin/logs/eagleeye/eagleeye.log.bak")
san_yun·2014-11-06 10:24

python读取图片exif信息

f = open("/home/admin/tlog-proxy/logs/gather/172.20.186.157/home/admin/logs/eagleeye/eagleeye.log.bak
san_yun·2014-11-06 10:00

Java NIO Scatter/Gather

 JavaNIO开始支持scatter/gather，scatter/gather用于描述从Channel中读取或者写入到Channel的操作。 
ihuning·2014-11-01 00:00

几种改变执行计划的方法

6种：  1）初始化参数hint(可以覆盖在系统级或者会话级定义的初始化参数)，如：all_rows,first_rows,cursor_sharing_exact,dynamic_sampling,gather_plan_statisitcs
caixingyun·2014-10-29 12:00

BZOJ1827 [Usaco2010 Mar]gather 奶牛大集会

题意：给定一棵树，求出树上的一点，使得树上的所有点到该点的距离之和最小。思路：暴力显然是O(N^2)等死对吧。我们首先将无根树转化为有根树，然后一边dfs求出f[i],size[i].f[i]表示以i为根的子树中所有的点到i的距离之和，size[i]表示以i为根的子树的点数。下面开始脑洞大开：现在对于我们一开始的那个root,我们已经知道了答案。问题就是如何快速的推知别的点作为根时的答案。我们重新
wyfcyx_forever·2014-10-21 16:00

Java NIO系列教程（四） Scatter/Gather

原文地址：http://tutorials.jenkov.com/java-nio/scatter-gather.html作者：JakobJenkov  译者：郭蕾  JavaNIO开始支持scatter
doctor_who2004·2014-10-12 15:00

Java NIO系列教程（五） 通道之间的数据传输

原文地址：http://tutorials.jenkov.com/java-nio/scatter-gather.html作者：JakobJenkov  译者：郭蕾   校对：周泰在JavaNIO中，如果两个通道中有一个是
doctor_who2004·2014-10-12 15:00

oracle case when then 用法

SELECT        D.DEPT_CODE,        SUM(T.GATHER_ZONE_PLAN_NUM
taiwei.peng·2014-10-11 12:00

DBMS_STATS.GATHER_TABLE_STATS详解

作用:DBMS_STATS.GATHER_TABLE_STATS统计表,列,索引的统计信息（默认参数下是对表进行直方图信息收集，包含该表的自身-表的行数、数据块数、行长等信息；列的分析--列值的重复数、
sunpeng1117·2014-09-25 10:00

Oracle alter index disable/unusable的区别

createtabletestasselect*fromall_objects;SQL>createindexind_t_object_idontest(object_id)nologging;SQL>execdbms_stats.gather_table_stats
guogang83·2014-09-15 18:00

Java NIO系列教程（五） 通道之间的数据传输

原文地址：http://tutorials.jenkov.com/java-nio/scatter-gather.html作者：JakobJenkov  译者：郭蕾   校对：周泰在JavaNIO中，如果两个通道中有一个是
古道卿·2014-09-05 11:13

Java NIO系列教程（四） Scatter/Gather

原文地址：http://tutorials.jenkov.com/java-nio/scatter-gather.html作者：JakobJenkov  译者：郭蕾  JavaNIO开始支持scatter
古道卿·2014-09-05 11:18

SELECT MIN(object_id),MAX(object_id) FROM TABLE 如何优化

insertintotest10values(i,'a'||i); commit; endloop; end; createindextest10_idx1ontest10(id); BEGIN DBMS_STATS.GATHER_TABLE
zhaoyangjian724·2014-08-29 20:00

统计信息及DBMS_STATS.GATHER_TABLE_STATS学习

一、统计信息的收集Gather_stats_job调用dbms_stats.gather_database_stats_job_proc过程来收集statistics的信息。
u013820054·2014-08-27 16:00

几种索引扫描方式学习

createtablet1asselect*fromdba_objects;execdbms_stats.gather_table_stats(YALI,'T1')createuniqueindext1
u013820054·2014-08-12 12:00

ElasticSearch大批量数据入库

数据分布情况13个点定时生成采集结果到4个文件（小文件生成周期是5分钟） 名称大小（b） gather_1_2014-02-27-14-50-0.txt568497 gather_1_2014-02-27
xiamizy·2014-07-28 10:00

虚拟机测试等值索引扫描成本

SQL>createindextest_idx1ontest(owner); BEGIN DBMS_STATS.GATHER_TABLE_STATS(ownname=>'TEST', tabname=
zhaoyangjian724·2014-07-23 22:00

虚拟机测试全表扫描成本

BEGIN DBMS_STATS.GATHER_TABLE_STATS(ownname=>'TEST', tabname=>'TEST', estimate_percent=>100, method_opt
zhaoyangjian724·2014-07-23 21:00

Java NIO 英文资料

Tutorial 2 Java NIO Overview 3 Java NIO Channel 4 Java NIO Buffer 5 Java NIO Scatter / Gather
oywl2008·2014-07-23 11:00

网卡TSO、UFO、GSO、LRO、GRO和RSS介绍

offload特性，例如：$sudoethtool-keth0Offloadparametersforeth0:rx-checksumming:ontx-checksumming:onscatter-gather
Edwin_·2014-07-23 10:43

Mysql存储过程优化——使用临时表代替游标

为了测试游标性能，写了下面一个游标对IDC_Gather_Info表中数据进行遍历Sql代码  CREATE DEFINER=`root`@`%` PROCEDURE `debug`(IN `beginTime
Heng_Ji·2014-07-22 17:00

Oracle 收集统计值 收集统计信息

--收集Oracle统计信息BEGIN DBMS_STATS.GATHER_TABLE_STATS(OWNNAME     =>'OWNER_NAME', --数据库用户名                
cuug520·2014-07-16 10:48

ORA-20011: Approximate NDV failed: ORA-06564: object EXPDDDP does not exist

一：系统环境操作系统： uname-aAIXegapdb21600F81BFA4C00数据库：11.2.0.3.5 二：错误信息   在alert.log发现如下错误信息：DBMS_STATS:GATHER_STATS_JOBencounterederrors.Checkthetracefile
shaochenshuo·2014-07-11 09:00

Java NIO系列教程（四） Scatter/Gather

JavaNIO开始支持scatter/gather，scatter/gather用于描述从Channel（译者注：Channel在中文经常翻译为通道）中读取或者写入到Channel的操作。
liuguofeng·2014-07-06 17:00

模拟cursor pin S wait on X

模拟cursorpinSwaitonX createtabletesttablespaceusersasselect*fromdba_objects; BEGIN DBMS_STATS.GATHER_TABLE_STATS
zhaoyangjian724·2014-07-06 13:00

关于Intel处理器架构中AVX2里Gather特性的说明

在Intel Haswell架构里引入了Gather特性。它使得CPU可以使用向量索引存储器编址从存储器取非连续的数据元素。
·2014-06-25 03:00

DBMS_STATS.GATHER_TABLE_STATS详解

作用:DBMS_STATS.GATHER_TABLE_STATS统计表,列,索引的统计信息.DBMS_STATS.GATHER_TABLE_STATS的语法如下:DBMS_STATS.GATHER_TABLE_STATS
huanzhulouzhu·2014-06-22 10:00

ORACLE 中dbms_stats的使用

exec dbms_stats.gather_schema_stats(ownname          => 'SCOTT',options          => 'GATHER AUTO',estimate_percent
huanzhulouzhu·2014-06-22 10:00

6-08. 城市间紧急救援

1adj[N]; voiddijkstra(){ //initialization fill_n(dis,n,INF);dis[src]=0; fill_n(pre,n,-1); path[src]=1,gather
u013827143·2014-06-16 23:00

方胜山《cisco网络故障处理手册》

视频、WAN（ISDN、帧中继、ATM、…）、LAN、VLAN、… 二、故障处理模型 1、 界定问题（Define the Problem） 详细而精确地描述故障的症状和潜在的原因 2、 收集详细信息（Gather
技术联盟·2014-06-09 14:30
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