logical based on physical file member

15 pts.
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Logical File
I want to create a logical file over the data contained in one member of a muiltiple member phyisical file. I can find nowher that allows me to specify the member name of the PF.
ASKED: November 1, 2012  4:37 PM

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To create a LF of a multiple member PF you need to use mapping i.e. you have to create corresponding LF members using the ADDLFM command and if you don’t want to add logical file members then you have to make a field as a key in LF file…………………

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  • TomLiotta
    You name the member on the DTAMBRS() parameter of the CRTLF command, the same parameter that names the PF itself. -- Tom
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  • TomLiotta
    The 'Answer' is incorrect in most respects. It is not necessary to use ADDLFM. The command may be used if the LF should have additional members, but oterwise it's not required. And it is not required to add a key if you don't want additional members. -- Tom
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