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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.
Parallel database query (PDQ)You can manage how the database server performs PDQ and you can monitor the resources that the database server uses for PDQ.
Database server operations that use PDQInformix® processes some types of SQL operations that the database server processes in parallel. However some situations limit the degree of parallelism that Informix® can use.

Database server operations that use PDQ

Informix® processes some types of SQL operations that the database server processes in parallel. However some situations limit the degree of parallelism that Informix can use.

In the topics on database server operations that use PDQ in this section, a query is any SELECT statement.

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