码迷,mamicode.com
首页 >  
搜索关键字:Plan    ( 1968个结果
数据库优化,性能分析
查询占用cpu最高的20条sql语句,sql2008SELECT TOP 10 a.creation_time,total_worker_time/execution_count AS avg_cpu_cost, plan_handle,execution_count,(SELECT SUBSTRI...
分类:数据库   时间:2014-07-11 18:32:51    阅读次数:271
leetcode题解:Valid Palindrome(判断回文)
题目:Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a plan, a canal: P...
分类:其他好文   时间:2014-07-09 21:38:15    阅读次数:207
设置SQL*Plus 的AUTOTRACE
AUTOTRACE 是SQL*Plus 中一个工具,可以显示所执行查询的解释计划(explain plan)以及所用的资源。这本书中大量使用了AUTOTRACE 工具。配置AUTOTRACE 的方法不止一种,以下是我采用的方法:(1)cd [ORACLE_HOME]/rdbms/admin;(2)作...
分类:数据库   时间:2014-07-08 11:29:43    阅读次数:215
Leetcode Valid Palindrome
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a plan, a canal: Pana...
分类:其他好文   时间:2014-07-06 16:45:00    阅读次数:201
1.执行计划探究(一)
ORACLE PLAN
分类:其他好文   时间:2014-07-05 17:12:26    阅读次数:257
leecode 回文字符串加强版
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a plan, a canal: Pana...
分类:其他好文   时间:2014-07-03 19:38:58    阅读次数:287
【LeetCode】Valid Palindrome
题目 Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. For example, "A man, a plan, a canal: Panama" is a palindrome. "race a car" i...
分类:其他好文   时间:2014-07-02 09:49:04    阅读次数:271
ORA-01039
Execution Plan----------------------------------------------------------ERROR:ORA-01039: insufficient privileges on underlying objects of the viewSP2-...
分类:其他好文   时间:2014-07-01 19:43:46    阅读次数:298
maven问题之Could not calculate build plan:
问题描述: Could not calculate build plan: Failure to transfer org.apache.maven.plugins:maven-surefire-plugin:pom:2.7.1 from http://repo1.maven.org/maven2 was cached in the local repository, resolution wi...
分类:其他好文   时间:2014-07-01 11:14:35    阅读次数:279
获得执行计划方法二-explain plan
1安装$ORACLE_HOME/rdbms/admin/utlxplan.sql(UNIX)脚本生成一个表这个程序会创建一个名为plan_table的表2运行explainPLAN[SETSTATEMENT_ID[=]<stringliteral>][INTO<table_name>]FOR<sql_statement>其中:STATEMENT_ID:是一个唯一的字符串,把当前执行计划..
分类:其他好文   时间:2014-06-29 21:05:55    阅读次数:299
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!