This chapter describes how to use ipload to build a map. A map specifies the relationship between the fields of a data file and the columns of a database. To load data into a database, you define a load map, which associates fields from records in a data file to columns in a database table. To unload data, you define an unload map. The unload map associates the columns that a query retrieves from one or more tables to the fields in a data file.
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