tailieunhanh - Oracle XSQL- P2

Oracle XSQL- P2Welcome to the exciting world of eXtended Structured Query Language (XSQL) development! What’s so exciting? Efficiency and ease of use. XSQL isn’t some razzle-dazzle technology to wow your users. It also isn’t the latest X standard du jour that no one can stop talking about until you ask, “But what does it do for me today?” The problem with all of the great stuff out there is that no one technology does it all. | HAPTER 1 Introducing Oracle XSQL Welcome to the exciting world of extended Structured Query Language XSQL development What s so exciting Efficiency and ease of use. XSQL isn t some razzle-dazzle technology to wow your users. It also isn t the latest X standard du jour that no one can stop talking about until you ask But what does it do for me today The problem with all of the great stuff out there is that no one technology does it all. A Web server doesn t store all of the company s inventory data. A database by itself cannot present its data to its users in an attractive and usable manner. This is where XSQL comes in. XSQL allows you to easily leverage the most robust mature and usable technologies in the industry Standard Query Language SQL HyperText Markup Language HTML HyperText Transfer Protocol HTTP extensible Markup Language XML Java and the Oracle relational database management system RDBMS . Each of these technologies is arguably the best-of-breed in its space. When it comes to querying relational data SQL has no competitors. HTML and HTTP are the wonder twins of the Internet. They have their faults but they also have the ability to evolve. Java has had unparalleled success in the world of enterprise applications and will continue to do so. XML is the standard for structuring data in a platform and applicationindependent manner. Last but not least the Oracle RDBMS is the technology as well as the market leader in its space. In the next few hundred pages XSQL allows you to bring these powerful pieces together. You ll learn how you can use XSQL to instantly present your database data on the Web. You ll develop a complete application with just XSQL and eXtensible 1 2 Chapter 1 Stylesheet Language Transformation XSLT . You ll also see how to use XSQL to create graphics on the fly and to render Portable Document Format PDF documents based on dynamic data. All the while the easiest cases require no Java coding at all. You only have to use Java coding for the .

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