Explain the process in which flat files are converted into VSAM files.

Flat files can be converted into VSAM files with this process.

• First, identify the primary key or the whole record can be the primary key top. You can also use the alternate key if necessary.
• All the files are to be sorted by the primary key or by the whole record.
• The "Sort" command can be used to delete all the duplicates from files.
• One JCL/ IDCAMS command needs to be submitted with the result got by sorting mechanism. This result should be input.
• Finally, the IDCAMS command for "Repro" should be used to load the flat file into a VSAM file.
• In this way, one can convert flat files into a VSAM file.