varchar2 类型定义时, 个人认为应该选择byte 类型, 即 varchar2(20), oracle 支持的最大的字符串是 varchar2(4000), 同时, 个人认为, 当你定义一个varchar2时, 首先预判这个地段大概能放多少内容, 比如20个字符,但是由于多字符集中, 比如utf8, 一个字符并不是对应一个字节, 比如有可能对应4个字节, 所以, 比如我们定义的字段有20个字, 那么, 我们需要定义80个字节以上, 比如 varchar2(100), 这样是比较保险的 Y…

本章提要-------------------------------本章是概述性章节1. 介绍了了解数据库内部结构对于开发的重要性2. 介绍了如何才能开发好的数据库应用程序------------------------------- varchar2 类型定义时, 个人认为应该选择byte 类型, 即 varchar2(20), oracle 支持的最大的字符串是 varchar2(4000), 同时, 个人认为, 当你定义一个varchar2时, 首先预判这个地段大概能放多少内容, 比如2…

  Developing RIA Web Applications with Oracle ADF Purpose This tutorial shows you how to build a rich Internet application that interacts with a database. You'll be using Oracle JDeveloper 11g and the ADF framework to build the application, and in th…

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Finding File Versions in the Oracle Applications EBusiness Suite - Checking the $HEADER (文档 ID 858957.1) In this Document  Goal  Solution     Diagnostic     Form Versions     ... Form Versions: Help About     ... Form Versions: OS/UNIX     ... Form V…

Section 1: Overview Section 2: Installing Section 3: Configuring Section 4: Maintaining Section 5: Using Section 6: Customizing Section 7: Translating Section 8: Troubleshooting Appendix A: Migrating to Unicode Appendix B: Locale Data Section 1. Over…

Oracle E-Business Suite Documentation Web Library Release 12.2+ Link Download Oracle E-Business Suite Documentation Web Library Release 12.2+Latest DocumentationUse this library to obtain the latest updates to the comprehensive documentation for glob…

<Oracle Applications DBA 基础>- 9 - Concurrent Processing================================== 参考资料: 1. Oracle Applications System Administrator's Guide - Configurationhttp://download.oracle.com/docs/ ... acrobat/120sacg.pdf 2. Oracle Applications System…

档 ID 420787.1 White Paper Oracle Applications Multiple Organizations Access Control for Custom Code Checked for relevance on 12-JAN-2011 See Change Record This document discusses how to update the customization code that is affected by the access con…