常见的sql调优方式
Passing structure from VC++ to C#
I\'m using C# DLL in a VC++ application. I have some details in VC++ like PageNumer pageTitle PageDesc BoxDetail[详细]
2022-12-27 12:26 分类：问答C, pass AWK syntax as argument to execl
I want to run the following command from a C program to read the system\'s CPU and mem开发者_Python百科ory use:[详细]
2022-12-27 11:50 分类：问答Lucene query: bla~* (match words that start with something fuzzy), how?
In the Lucene query syntax I\'d like to combine * and ~ in a valid query similar to: bla~* //invalid query[详细]
2022-12-27 06:07 分类：问答How do i create a rotation matrix given a direction vector?
I am 开发者_开发技巧trying to rotate an object to face the direction it is moving in. We want it to face the normalized velocity vector.. help... pls...Have you tried Matrix.CreateLookAt (MSDN)?[详细]
2022-12-25 18:49 分类：问答生物科学专业介绍（生物科学专业简介）？
大家好，伊人来为大家解答以上问题。生物科学专业介绍，生物科学专业简介很多人还不知道，现在让我们一起来看看吧！[详细]
2022-12-19 07:25 分类：问答Eclipse Java JNI, LoadLibrary linking error
This my second time coding Java and never referencing any external library before.I follow the JNI examples online and I get UnsatisfiedLinkError when trying to load the dll.I thought that I have to c[详细]
2022-12-18 17:15 分类：问答-
数据库SQL调优的几种方式汇总
目录char vs varchar开启慢查询日志来定位查询慢的语句合理使用关键字优化查询缓存适当使用索引 分割数据表非规范化的方式总结 最近在复习SQL调优，总结了下主要有以下几种方式：[详细]
2022-12-12 10:37 分类：数据库
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