hsqldb是100％java實現(xiàn)的數(shù)據(jù)庫,是一個開放源代碼的JAVA數(shù)據(jù)庫
l 具有標準的SQL語法和JAVA接口
l HSQLDB可以自由使用和分發(fā)
l 非常簡潔和快速的
l 具有內(nèi)存數(shù)據(jù)庫，獨立數(shù)據(jù)庫和C/S數(shù)據(jù)庫三種方式
l 可是在APPLET中使用
更多的細節(jié)：
l 索引可以被創(chuàng)建和自動使用
l 支持事務(wù)處理
l 允許表關(guān)聯(lián)
l 完整性引用和約束
l 支持JAVA存儲過程和函數(shù)
l 數(shù)據(jù)庫可以生成SQL腳本
l 使用用戶名，密碼，訪問權(quán)限等安全機制
l 可以被JAVA1.1和JAVA2編譯
建立在HypersonicSQL基礎(chǔ)上的HSQLDB，是一個通用目的的數(shù)據(jù)庫，非常的小，而且易于安裝和使用。可以用于Applets中 ，測試中，應(yīng)用系統(tǒng)中。
由于提供了標準SQL和JDBC接口，HSQLDB可以方便的和其他數(shù)據(jù)庫之間進行數(shù)據(jù)轉(zhuǎn)換。
The extraordinary growth of the World Wide Web has been fueled by the ability it gives authors to easily and cheaply distribute electronic documents to an international audience. As Web documents have become larger and more complex, however, Web content providers have begun to experience the limitations of a medium that does not provide the extensibility, structure, and data checking needed for large-scale commercial publishing. The ability of Java Applets to embed powerful data manipulation capabilities in Web clients makes even clearer the limitations of current methods for the transmittal of document data.
The jxcell allows any Java developer to automate any manual spreadsheet process within their organization.
Automate the delivery of Excel reports and give your users the data they need in the format they want.
Web-enable your existing spreadsheet business logic as a scalable server-side calculation engine.
embed Excel-compatible grids in Applets and applications to automate spreadsheet data entry processes.
enables you to integrate Excel-compatible spreadsheet functionality in your Windows applications without relying on Excel or writing VBA code.
Overview
If you have been wanting to learn Java, check out the newly revised fourth edition of the best-seller Sams Teach Yourself Programming with Java in 24 Hours. This step-by-step tutorial will teach you how to create simple Java programs and Applets. Comprised of 24 one-hour lessons, this new edition focuses on key programming concepts and essential Java basics, has been improved by dozens of reader comments, and is reorganized to better cover the latest developments in Java. The book s coverage of core Java programming topics has also been expanded. A great starting point for learning Java, this book is also a great primer to reading sams Teach Yourself Java in 21 Days.
