用Ultra Search自建超級搜索_Oracle數據庫基礎

Oracle Ultra Search uses a crawler to collect documents. You can schedule the crawler to the Web sites that you want to search. The documents stay in their repositories, and the collected information is used to build an index that stays within the firewal

Ultra Search是一個全面基於Oracle Text的應用程序，它為Oracle Text用戶提供界面友好的Web形式的搜索能力而不需要任何深層的SQL編程，而大量深層技術已被嵌入到轉化和調整Web頁面查詢到底層的基於SQL的Oracle Text查詢的過程中。

Oracle Corporation 's Oracle Ultra Search (also known as Ultrasearch) allows the generation of indexes to textual material stored (for example) on web-servers, file-servers, databases and mail-systems.

Oracle Ultra Search lets you index and search Web sites, database tables, files, mailing lists, Oracle9i Application Server (9iAS) Portals, and user-defined data sources.

Oracle Ultra Search lets you index and search Web sites, database tables, files, mailing lists, Oracle9 i Application Server (9 i AS) Portals, and user-defined data sources.

Ultra Search requires you to have either JRE or JDK on the database host where you install the Ultra Search server component. By default, JDK 1.3.1 is installed by Oracle Universal Installer (OUI) during database installation under directory $ORACLE_HOME/

Ultra Search uses Oracle Text as its indexing engine and the Oracle database as its repository. Along with the resource requirements for the database and the Text indexing engine, also consider the memory requirements of the Ultra Search crawler. The Ultr