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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.
High-Performance Loader User's GuideThe describes how to use the HCL Informix® to load and unload large quantities of data efficiently to or from Informix® databases.
AppendixesThis section contains additional reference information.
The HPL log-file and pop-up messagesThis section provides explanatory notes and corrective actions for unnumbered messages that print in the log file. The section also includes information specific to messages that are returned to standard output or appear in a pop-up dialog box (depending on the way you started onpload).
The HPL log-file messages
Cannot unload to multiple devices when the given query cannot be executed in parallel

Cannot unload to multiple devices when the given query cannot be executed in parallel

The server determined that the query cannot be run in parallel.

Remove non-parallel aspects of the query, such as non-parallel UDRs, or unload to a single device.

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