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Gathering Initial Troubleshooting Information for Analysis of ORA-4031 Errors on the Shared Pool
In this Document   Purpose   Troubleshooting Steps   References APPLIES TO: Oracle Database - Enterprise Edition - Version 8.0.6.3 and later Inform...
分类:其他好文   时间:2014-12-09 19:39:44    阅读次数:307
[Quote] Java - Generics
From http://www.tutorialspoint.com/java/java_generics.htmIt would be nice if we could write a single sort method that could sort the elements in an In...
分类:编程语言   时间:2014-12-09 19:06:19    阅读次数:293
10G之后统计信息收集后为什么执行计划不会被立马淘汰
在10G之前,使用DBMS_STATS收集统计信息将会导致与此对象相关的游标失效,下次执行此的时候将会进行HARD PARSE,除非收集的时候NO_INVALIDATE设置为TRUE。由于硬解析会消耗大量的CPU,还会导致大量的library cache 和 shared pool 的LATCH竞争...
分类:其他好文   时间:2014-12-09 17:37:59    阅读次数:326
Maximum Subarray
It's obvious an DP problem.Let's define:$dp[i] := $ the maximum sum of subarray in the first $i$ elements.From the base point, the optimal subarray ma...
分类:其他好文   时间:2014-12-09 17:12:39    阅读次数:141
Oracle内存详解之二 Library cache 库缓冲-转载
Library cache是Shared pool的一部分,它几乎是Oracle内存结构中最复杂的一部分,主要存放shared curosr(SQL)和PLSQL对象(function,procedure,trigger)的信息,以及这些对象所依赖的table,index,view等对象的信息。Li...
分类:数据库   时间:2014-12-09 12:00:17    阅读次数:323
[AngularJS] Hijacking Existing HTML Attributes with Angular Directives
Angular overrides quite a few existing HTML elements and attributes. This can be a useful technique in our own applications. We will build a directive...
分类:Web程序   时间:2014-12-09 07:04:00    阅读次数:243
Spiral Matrix II
Spiral Matrix IIGiven an integern, generate a square matrix filled with elements from 1 ton2in spiral order.For example,Givenn=3,You should return the...
分类:其他好文   时间:2014-12-08 22:36:48    阅读次数:199
(每日算法)LeetCode --- Subsets(子集合)
Given a set of distinct integers, S, return all possible subsets. Note: Elements in a subset must be in non-descending order.The solution set must not contain duplicate subsets. For example,...
分类:编程语言   时间:2014-12-08 21:29:03    阅读次数:285
Spiral Matrix
Spiral MatrixGiven a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.For example,Given the following matrix:[...
分类:其他好文   时间:2014-12-08 21:08:34    阅读次数:153
【LeetCode】Subsets 解题报告
【题目】 Given a set of distinct integers, S, return all possible subsets. Note: Elements in a subset must be in non-descending order.The solution set must not contain duplicate subsets. ...
分类:其他好文   时间:2014-12-08 17:47:58    阅读次数:191
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