BUCY_S_BLOCKCTRL 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 "Control settings for a dimension for block processing" 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_BUCY_S_BLOCKCTRL TYPE BUCY_S_BLOCKCTRL.
The BUCY_S_BLOCKCTRL table consists of various fields, each holding specific information or linking keys about Control settings for a dimension for block processing data available in SAP. These include BLOCKMODE (Block mode for mass transactions within copy handler)... 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. .