Specifies the major release number on which the system was last initialized using the System Initializer utility (sysinit).
Note: This field is automatically updated by the sysinit program, and cannot be modified using DBS Control. It is set by the System Initializer utility (sysinit). Sysinit destroys all user and dictionary data, and reinitializes the system.
A setting of zero indicates that the system was last initialized on a major release prior to Teradata Database 13.10.