DIR_KEY (DRK) - includes new columns for GENERATION and KEY_USE; changes were made to the CBS_IGNORE, KEY_STATUS, UNIQUE_SEARCHED and UNIQUE_TIME columns
DIR_TABLE (DRT) - includes new columns for GENERATION and SQL_INTENT
MUF_LOGGING (MFL) - includes new columns for GENERATION, LOG_BLOCK_SEQ, and LOG_RECORD_SEQ_G0. The format of the column LOG_RECORD_SEQ was changed.