CMS_STR_OMS_COMMON_DATA is a standard SAP Structure so does not store data like a database table does. It can be used to define the fields of other actual tables or to process "Common OMS data" Information within sap ABAP programs. This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately. i.e. DATA: wa_CMS_STR_OMS_COMMON_DATA TYPE CMS_STR_OMS_COMMON_DATA.
The CMS_STR_OMS_COMMON_DATA table consists of various fields, each holding specific information or linking keys about Common OMS data data available in SAP. These include EXT_REFERENCE (Reference number for the legacy system)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .