DKACS 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 "Screen Fields SAPLKACS: Maintain Coding Block Subscreens" 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_DKACS TYPE DKACS.
The DKACS table consists of various fields, each holding specific information or linking keys about Screen Fields SAPLKACS: Maintain Coding Block Subscreens data available in SAP. These include DYNNR (Subscreen for Coding Block), DTEXT (Short Description of Repository Objects), PRIOT (Priority for Coding Block Subscreens), AKTIV (Subscreen Active for Coding Block)... 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. .