当您编写访问DB2数据的sql语句时,要确保遵循以下三个编码sQL的准则以获得最佳性能。
When you write SQL statements that access DB2 data, be sure to follow these three guidelines for coding SQL for performance.
尽管如此,拙劣编码的SQL和应用程序代码仍可能给您带来性能问题,通过学习几条基本准则可以轻易地避免这些问题。
Nevertheless, poorly coded SQL and application code can still give you performance problems that can be easily avoided by learning a few basic guidelines.
其设计说明了可重复使用的面向对象编码的准则和文本索引(极其精妙而丰富的主题)的基本原理。
Its design illustrates principles of reusable object-oriented coding as well as the fundamentals of text indexing (a rich topic with surprising subtleties).
准则一:编码之前设置连续部署。
Rule 1: Setup Continuous Deployment Before Writing ANY code.
NDepend支持超过60条编码准则,用于评估代码质量。
NDepend supports more than 60 code metrics that can be used to assess the code quality.
介绍了空时码的编码和译码方法,以及设计空时码的准则。
The encoding and decoding method, as well as the design criterion are introduce .
本文提出了一种新的序列图象编码块匹配准则——比特位相关匹配函数。
This paper proposes a new block matching criterion called the bit-correlation matching function for sequence image coding.
在本文中,本文对这两种编码方式在设计准则、传输速率、分集增益、编码增益和算法复杂性等方面进行了较为详尽的比较研究。
In this paper, we mainly compare the performance of the two space-time codes in many aspects, such as design criterion, transmission rate, diversity gain, code gain and arithmetic complexity etc.
首先提出编码增益准则下sBC优化的统一形式化描述。
First, we develop an integrated formulation for SBC optimization with respect to coding gain criterion.
提出了以提高线性记录密度为目的的优化选择结构参数的准则,同时对常用的几种RLL编码方式进行了比较。
The principle of optimal selection of RLL code parameters which achieve high linear density is also proposed. Comparisons of several RLL codes are given at last.
将信息论和编码理论应用于无线家庭安防系统中,给出了位码编码、帧数据编码的编码准则、具体编码方法及解码原理。
Appling the theory of information and code. this paper gives the code rule, detail code methods and decode principle of bit code and frame data code.
提出能对模糊信息进行编码的模糊纠错码,讨论了重量、距离、译码准则等基本概念。
The concept of fuzzy error correcting codes is introduced which can encode the fuzzy information.
针对MB - OFDMUWB系统的性能特征,基于理论分析系统的成对错误概率,获知编码增益和分集增益的计算公式,从而得到空时频编码方案的设计准则。
Aiming at the performance characteristics of MB-OFDM UWB, the formula for coding gain and diversity gain is worked out based on pairwise error probability of theoretical analyzing system.
基于现实世界中模糊信息的背景,利用模糊逻辑方法讨论如何对模糊信息进行编码与传输的问题。提出能对模糊信息进行编码的模糊纠错码,讨论了重量、距离、译码准则等基本概念。
Based on the background of fuzzy information in real world, this paper researches into the problem of how to encode and transmit fuzzy information by means of fuzzy logical method.
基于现实世界中模糊信息的背景,利用模糊逻辑方法讨论如何对模糊信息进行编码与传输的问题。提出能对模糊信息进行编码的模糊纠错码,讨论了重量、距离、译码准则等基本概念。
Based on the background of fuzzy information in real world, this paper researches into the problem of how to encode and transmit fuzzy information by means of fuzzy logical method.
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