CTBDBVCG Parameters

The following parameters can be specified in the EXEC statement that invokes the CTBDBVCG JCL procedure. These parameters dynamically specify source (input) file names and indicate whether the current content of existing generations must be retained or deleted.

Table 175 CTBDBVCG EXEC Parameters

Parameter	Description
DIMOD	Prefix of the third qualifier of the name of the source (input) Database Variable Basic Data file
DIVAR	Prefix of the third qualifier of the name of the source (input) Database Variable Generation Data file
DIGRP	Prefix of the third qualifier of the name of the source (input) Group file
COPY	Valid values are: Y (Yes) – Retain current contents of existing generations. Default. N (No) – Delete current contents, if any, of existing generations.

Parameters can also be supplied using DD statement SYSIN. The following parameters are mandatory:

Table 176 CTBDBVCG SYSIN Parameters

Parameter	Description
GROUP	Group name (or prefix) of variables to be affected. A group name prefix can be specified only if parameter VARIABLE contains an asterisk (). Examples:* GROUP—INV Variables of group INV are changed. GROUP—INV* Variables of all groups that begin with INV (for example, INV, INVENTORY, INVESTMENTS) are changed. To change the number of variables for all groups, the SYSIN input file must be empty (and no GROUP or VARIABLE names are specified).
GROUP	Note: Parameter GROUP can be specified only if an asterisk (*) is specified in parameter VARIABLE.
VARIABLE	Variable name (or prefix) of variables whose number of generations is changed. Examples: GROUP=INV VARIABLE=TOT Variable TOT of group INV is changed. GROUP=INV TOT VARIABLE=TOT* Variables of group INV that begin with TOT (for example, TOT, TOTAL, TOT01, TOT02) are changed.
NUMGEN	New number of generations to be specified for the variable. If not specified, NUMGEN is set to the default number of generations in System Variable SYSDBVARGENS.

Parent Topic

CTBDBVCG – Change Number of Variable Generations