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AdministeringIn addition to administering the database server, you can tune performance, replicate data, and archive data.
System administrationThese topics contain concepts, procedures, and reference information for database and database server administrators to use for managing and tuning HCL Informix® database servers.
Performance GuideThe Informix® Performance Guide describes how to configure and operate your HCL Informix® database server to improve overall system throughput and to improve the performance of SQL queries.
Indexes and index performance considerationsInformix® provides several types of indexes. Some performance issues are associated with indexes.
Types of indexesInformix® uses B-tree indexes, R-tree indexes, functional indexes, and indexes that DataBlade® modules provide for user-defined data. The server also uses forest of trees (FOT) indexes, which are alternatives to B-tree indexes.
R-tree indexes Informix® uses an R-tree index for spatial data (such as two-dimensional or three-dimensional data).

R-tree indexes

Informix® uses an R-tree index for spatial data (such as two-dimensional or three-dimensional data).

For information about sizing an R-tree index, see the Informix R-Tree Index User's Guide.

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