CIFACRLOLD 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 "PPM: Structure for Activity Relationships to APO Release 2.0" 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_CIFACRLOLD TYPE CIFACRLOLD.
The CIFACRLOLD table consists of various fields, each holding specific information or linking keys about PPM: Structure for Activity Relationships to APO Release 2.0 data available in SAP. These include OPKEY_EX_P (Operation Number), ACKEY_EX_P (Activity Number), PLKEY_EX_S (External Plan Key to APO Release 2.0), OPKEY_EX_S (Operation Number)... 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. .