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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. It uses crawlers and
Oracle Text utilities to build its indexes, which it then makes available within an
Oracle database.
Oracle Corporation makes Ultrasearch available free-of-charge to customers who purchase an Oracle database, an Oracle Application Server or the Oracle Collaboration Suite.
By default, Oracle Ultra Search uses the WKSYS
schema and the DRSYS
tablespace.
Oracle Search originated with Oracle 9i. [1]
Oracle9i introduced Ultra Search, a prebuilt application built upon Text for performing searches.