Web Interfaces to Database (Cont.) 2.Dynamic generation of documents Limitations of static HTML documents Cannot customize fixed Web documents for individual users. Problematic to update Web documents,especially if multiple Web documents replicate data. Solution:Generate Web documents dynamically from data stored in a database. Can tailor the display based on user information stored in the database. E.g.tailored ads,tailored weather and local news,.. Displayed information is up-to-date,unlike the static Web pages -E.g.stock market information,. Database System Concepts-5th Edition,Oct 23,2006. 8.7 ©Silberschat乜，Korth and SudarshanDatabase System Concepts - 5 8.7 ©Silberschatz, Korth and Sudarshan th Edition, Oct 23, 2006. Web Interfaces to Database (Cont.) 2. Dynamic generation of documents Limitations of static HTML documents  Cannot customize fixed Web documents for individual users.  Problematic to update Web documents, especially if multiple Web documents replicate data. Solution: Generate Web documents dynamically from data stored in a database.  Can tailor the display based on user information stored in the database. – E.g. tailored ads, tailored weather and local news, …  Displayed information is up-to-date, unlike the static Web pages – E.g. stock market information,