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XML DB Developer's Guide, 11g Release 2 (11.2)

Using Oracle XML DB Content Connector

Jump to Full-Text IndexingYou can create a full-text index on file content using PL/SQL package DBMS_XDBT. This lets queries apply function jcr:contains to property jcr:data of a jcr:content node. Full-text indexes on other properties

XML DB Developer's Guide, 11g Release 2 (11.2)

Full-Text Search Over XML Data

Jump to Indexing with a CONTEXT IndexThis section contains these topics: Introduction to CONTEXT Indexes Effect of a CONTEXT Index on CONTAINS CONTEXT Index Preferences Introduction to Section Groups

Database Performance Tuning Guide, 11g Release 2 (11.2)

Configuring a Database for Performance

Jump to 4.2.3 Indexing DataThe most efficient time to create indexes is after data has been loaded. In this way, space management becomes simpler, and no index maintenance takes place for each row inserted. SQL*Loader automatically

R Enterprise User's Guide for Windows, Linux, Solaris, and AIX, 11g Release 2 (11.2)

Using Oracle R Enterprise

Jump to Indexingfunctionality with these differences: Integer indexing is not supported for ore.vector objects … . Negative integer indexes are not supported. Row order is not preserved. This

Database Utilities, 11g Release 2 (11.2)

Conventional and Direct Path Loads

Jump to Presorting Data for Faster IndexingYou can improve the performance of direct path loads by presorting your data on indexed columns. Presorting minimizes temporary storage requirements during the load. Presorting also enables you to take

Text Reference, 11g Release 2 (11.2)

Oracle Text SQL Statements and Operators

Jump to Parallel IndexingParallel indexing can improve index performance when you have multiple CPUs. To create an index in

Spatial GeoRaster Developer's Guide, 11g Release 2 (11.2)

GeoRaster Operations

Jump to 3.7 Indexing GeoRaster Data: Function-based indexes on metadata objects using the Oracle XMLType or Oracle Text document indexing

Text Reference, 11g Release 2 (11.2)

Oracle Text Multilingual Features

Jump to D.2.3.1 Theme IndexingEnables the indexing and subsequent querying of document concepts with the ABOUT operator with

Text Application Developer's Guide, 11g Release 2 (11.2)

Administering Oracle Text

Jump to 12.6 Servers and IndexingManager in Oracle Enterprise Manager. See Also: Chapter 3, " Indexing with Oracle Text" for more information about indexing and index synchronization

Spatial Developer's Guide, 11g Release 2 (11.2)

Spatial Concepts

Jump to 1.7.1 R-Tree IndexingA spatial R-tree index can index spatial data of up to four dimensions. An R-tree index approximates each geometry by a single rectangle that minimally encloses the geometry (called the minimum bounding

Text Reference, 11g Release 2 (11.2)

Oracle Text Multilingual Features

Jump to D.2 IndexingThe following sections describe the multilingual indexing features: Multilingual Features for Text

Spatial Developer's Guide, 11g Release 2 (11.2)

Linear Referencing System

Jump to 7.3 Indexing of LRS DataIf LRS data has four dimensions (three plus the M dimension) and if you need to index all three non-measure dimensions, you must use a spatial R-tree index to index the data, and you must specify PARAMETERS('sdo_indx_dims=3')

Spatial Developer's Guide, 11g Release 2 (11.2)

Spatial Concepts

Jump to 1.7 Indexing of Spatial DataThe introduction of spatial indexing capabilities into the Oracle database engine is a key feature … available. The following sections explain the concepts and options associated

Text Application Developer's Guide, 11g Release 2 (11.2)

Tuning Oracle Text

Jump to 7.8 Frequently Asked Questions About Indexing PerformanceThis section answers some of the frequently asked questions about indexing performance.

Jump to 7.8.1 How long should indexing take?Answer: Indexing text is a resource-intensive process. The speed of indexing will depend on the … power of the hardware involved. Indexing speed

Jump to 7.8.5 Can parallel indexing improve performance?Answer: Parallel indexing can improve index performance when you have a large amount of data, and … the index with up to three separate indexing processes depending

Jump to 7.8.3 How much disk overhead will indexing require?Answer: The overhead, the amount of space needed for the index tables, varies between about 50% of the original text volume and 200%. Generally, the larger the total amount of text, the smaller the overhead,

Jump to 7.8.4 How does the format of my data affect indexing?500MB, because there is ten times as much plain text in the latter set. Indexing time is less clear-cut

Jump to 7.8.7 How can I tell how much indexing has completed?Answer: You can use the CTX_OUTPUT.START_LOG procedure to log output from the indexing process

Spatial Developer's Guide, 11g Release 2 (11.2)

SQL Multimedia Type Support

Jump to Example 3-2 Creating, Indexing, Storing, and Querying ST_GEOMETRY DataCREATE TABLE cola_markets ( mkt_id NUMBER PRIMARY KEY, name VARCHAR2(32), shape ST_GEOMETRY); INSERT INTO cola_markets VALUES( 1, 'cola_a', ST_GEOMETRY( SDO_GEOMETRY( 2003, -- two-dimensional polygon