DBIF_RSQL_NO_MEMORY
Check SAP Note 2277368 and test the behavior. If the issue persists, check the parameter ztta/short_area as explained in SAP Note 1308965.
DBIF_RSQL_INVALID_REQUEST
Check SAP KBA 2191689.
DBSQL_DBCNT_MISSMATCH and DBSQL_INTERNAL_ERROR
Check SAP KBA 2403906.
Dumps in DBI classes
CL_SQL_STATEMENT
STRING_SIZE_TOO_LARGE → Refer to SAP KBA 2188345.
TIME_OUT → Refer to SAP KBA 2188267.
CL_SQL_RESULT_SET
SYSTEM_CORE_DUMPED → Refer to SAP KBA 2235604.
CL_SQL_CONNECTION
MOVE_TO_LIT_NOTALLOWED_NODATA → Refer to SAP KBA 2380360.