Changing Column Attributes Using changeda

The changeda -i option allows you to change attribute values for all or specified coolumns in a table or file within the data area.

To change column attributes

At a Landmark command prompt, type

changeda -c [attribute=value] [-v displayoptions] dataarea file index ...

where the column attribute that can be changed is:

Attribute Value
ddloptions The ddloptions attribute enables you to include a string with valid DDL statements. This replaces the functionality formerly provided by LAW_DBA_TABLES.

Other values in the command syntax are:

Entry Description
dataarea The data area to change index attributes for.
file The file to change index attributes for.
column The column(s) to change attributes for.
-v displayoptions

errorlevel, tracelevel, and verbose specified in any order, where:

  • errorlevel = {n}none | {f}atal | {e}rror | {w}arning (warning is the default)

  • tracelevel = 0:6 where 0 is no message and 6 is everything

  • verbose = whether to display exception stacktrace