CIFIBX_PERSISTENT_INSTANCE_REC 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 "IB: External Identification of an Instance (Type and ID)" 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_CIFIBX_PERSISTENT_INSTANCE_REC TYPE CIFIBX_PERSISTENT_INSTANCE_REC.
The CIFIBX_PERSISTENT_INSTANCE_REC table consists of various fields, each holding specific information or linking keys about IB: External Identification of an Instance (Type and ID) data available in SAP. These include ID (IB: External Identification of an Instance (Persistent))... 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. .