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what is the use of UNIQUEUE KEY WORD?
what is the difference between PFILE AND REF?
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Answer Posted / sj
UNIQUE - Its file level keyword in PF. If you specify this
keyword then duplicate key values are not allowed in PF.
Ex. IF key field is cusno then no duplicate records are
allowed in cusno field
PFILE: Its logical file keyword to specify the Physical
file name.
REF: To specify the file name where the field discriptions
are present.
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