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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 onpload databaseThe tables in the onpload database hold information that the onpload utility uses. This section describes the tables in the onpload database that you create or modify with ipload.
The mapitem table in the onpload databaseThe mapitem table defines the relationship between the columns of a database table and the record fields of a data file. The table stores pairs of column/record entries. The map options modify this table.

The mapitem table in the onpload database

The mapitem table defines the relationship between the columns of a database table and the record fields of a data file. The table stores pairs of column/record entries. The map options modify this table.


Column	Type	Description
formid	INTEGER	Specifies the map to which this record belongs (foreign key to the maps table)
seq	INTEGER	Unique identifier for the database-column/data file-record pair
colname	VARCHAR(128,0)	Name of database column
fname	CHAR(128)	Name of field in a data-file record

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