This manual describes how to use the High-Performance Loader (HPL) to load and unload large quantities of data efficiently to or from an Informix database. It describes the architecture of HPL, the onpload utility that allows you to control HPL from a script, the onpload database that maintains information about load and unload jobs that you have prepared, the ipload graphical user interface (GUI), and the onpladm utility. The ipload utility is a UNIX application that helps users prepare load and unload jobs for both UNIX and Windows. The onpladm utility is a command-line version of the ipload utility that operates on both UNIX and Windows.
The first chapter introduces the HPL, provides a general overview of the tasks that the HPL performs, describes the architecture of the HPL, and includes two tutorial examples that take you through the process of loading and unloading data.
The second chapter introduces the graphical user interface, the ipload utility, which you can use to set the parameters for the HPL.
Subsequent chapters give details about developing the onpload database by using the individual components of the ipload and onpladm utilities. Appendix A. onpload Database, describes the tables of the onpload database.
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