What Is Sub-file?

1.	What Is Sub-file?
Answer» It is GROUP of records READ from or written to DISPLAY file in a column format. It is ALWAYS a subset of records from physical file hence the NAME subfile. It is group of records read from or written to display file in a column format. It is always a subset of records from physical file hence the name subfile.

Answer»

It is GROUP of records READ from or written to DISPLAY file in a column format. It is ALWAYS a subset of records from physical file hence the NAME subfile.

It is group of records read from or written to display file in a column format. It is always a subset of records from physical file hence the name subfile.

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What Is Sub-file?

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