COMPRESSION

Use the COMPRESSION keyword to specify the type of compression to use on the image copy data set that is being created with the IC subcommand.

Use

COMPRESSION is an optional keyword for the IC subcommand.

COMPRESSION=parameter

Specify one of the following parameter values:

Value	Description
NONE	No compression is used.
FSE	Free space element elimination. This method does not write free space elements or free blocks to the output. No other compression is performed.
CCC	Common character compression. This method compresses repeating groups of low-values, high-values, zeros, blanks, or combinations of these characters. Free blocks are not written to the output. This option compresses the prefix and key portions of the database records, if possible.
DPE	Full character compression. This method compresses all character types using a subset of the BMC’s DATA PACKER/IMS product. Free blocks are compressed and written to the output. This option compresses the prefix and key portions of the database records, if possible.

COMPRESSION=NONE

None