如A,B兩個表, 當只顯示一個表的資料如A,關聯準則只一個如ID時,使用IN更快: select * from A where id in (select id from B) 當只顯示一個表的資料如A,關聯準則不只一個如ID,col1時,使用IN就不方便了,可以使用EXISTS: select * from A where exists (select 1 from B
Rumbaugh嘲笑微軟在UML上的姿態 Paul Krill[2005/3/22] Jim Rumbaugh是IBM傑出的工程師,如今他正領導IBM Rational分部的軟體建模工作。他和Grady Booch、Ivar Jacobson並稱為發明UML的“三友”,UML在1997年被國際對象組織接收為建模標準。他也參與了RUP的開發並且曾經是物件導向分析與設計方面的OMT的主要開發人員。上周,InfoWorld編輯在在Santa
Office 2003 PIAs (Primary Interop Assemblies) are now available as a separate, redistributable download. This is great news for developers building apps that interoperate with Microsoft Office 2003.
Oracle收購Stellent後把原來Stellent內容管理系統封裝成Oracle Universal Content Management,但UCM對應的產品文檔和廠商的培訓多數是在怎樣使用系統居多。對於如何去開發組件等深層次問題還是需要這本The Definitive Guide to Stellent Content Server Development,這本書至少在UCM目前10g R3版本還是滿多能使用的,雖然有些小的差異。The Definitive Guide to
Microsoft's Patterns & Practices team has released a new PAG document on threat modeling of web applications. This document includes a description of the threat modeling process and key concepts, the web application security frame, and templates
來源:Kyle's Blog on Universal Content Management In UCM 11g, the way to call web services has changed a bit. You can now use Oracle Web Services Manager and Web Services Security when calling UCM services. Details can be found in the on-line
Microsoft has launched a new website aimed at developers who program for fun instead of profit with articles and information about how to use .NET 2.0 to develop games, media applications, and other personal use utilities. While aimed at the