KEYLEN parameter

Parameter type

Keyword, optional

Purpose

Use the KEYLEN parameter to specify the length of the keys used in a new data set.

Code the KEYLEN parameter when you want to:

Specify a key length for the data set or
With SMS, override the key length defined in the data class of the data set.

The key length can be supplied from the data set label (or data class with SMS). If a key length is not specified or supplied, input or output requests must not require keys.

KEYLEN applies to data sets with the BDAM, BPAM, BSAM, EXCP, and QISAM access methods, and, with SMS, to VSAM data sets.