Answer / gitesh tomar

Join logical file joins more than one file. The maximum of number of files allowed to join is 32 (thirty two).

Is it possible to add an keyfield or field to an Physical file without changing its file identifier. Example : - Say I have an existing physical file which is being used in 5 programs. Now I want to add an additional Keyfield or an field to it and I don't want to recompile the programs.

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