T8A_COMPRESS is a standard SAP Table which is used to store EC-PCA: Summarization fields for EC-PCA document data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The T8A_COMPRESS table consists of various fields, each holding specific information or linking keys about EC-PCA: Summarization fields for EC-PCA document data available in SAP. These include KOKRS (Controlling Area), ACTIV (FI-SL Business Transaction), TABNAME (Table Name), FIELDNAME (Field Name)... 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. .