Here is the full explain output from v1202_0830 build.

>>prepare ss from
+>update TRAFODION."_MD_".OBJECTS set catalog_name = 'TRAFODION', schema_name = 'ALTER_RENAME_RENAME21', object_name = 'TAB_EMP_NEW_01' where object_uid = 158802970814398584;

--- SQL command prepared.
>>explain ss;

------------------------------------------------------------------ PLAN SUMMARY
MODULE_NAME .............. DYNAMICALLY COMPILED
STATEMENT_NAME ........... SS
PLAN_ID .................. 212284413487002637
ROWS_OUT ................ 10
EST_TOTAL_COST ........... 0.01
STATEMENT ................ update TRAFODION."_MD_".OBJECTS
                           set catalog_name = 'TRAFODION',
                             schema_name = 'ALTER_RENAME_RENAME21',
                             object_name = 'TAB_EMP_NEW_01'
                           where object_uid = 158802970814398584;


------------------------------------------------------------------ NODE LISTING
ROOT ======================================  SEQ_NO 9        ONLY CHILD 8
REQUESTS_IN .............. 1
ROWS_OUT ................ 10
EST_OPER_COST ............ 0
EST_TOTAL_COST ........... 0.01
DESCRIPTION
  max_card_est .......... 10
  fragment_id ............ 0
  parent_frag ............ (none)
  fragment_type .......... master
  statement_index ........ 0
  affinity_value ......... 0
  max_max_cardinality ... 10
  total_overflow_size .... 0.00 KB
  upd_action_on_error .... xn_rollback
  xn_access_mode ......... read_only
  xn_autoabort_interval    0
  auto_query_retry ....... enabled for privilege checks
  plan_version ....... 2,600
  embedded_arkcmp ........ used
  self_referencing_update  forced_sort
  IS_SQLCI ............... ON
  LDAP_USERNAME
  input_variables ........ %('TRAFODION'), %('ALTER_RENAME_RENAME21'),
                             %('TAB_EMP_NEW_01'), %('TRAFODION'),
                             %('ALTER_RENAME_RENAME21'), %('TAB_EMP_NEW_01'),
                             %(158802970814398584)


NESTED_JOIN ===============================  SEQ_NO 8        CHILDREN 6, 7
REQUESTS_IN .............. 1
ROWS_OUT ................ 10
EST_OPER_COST ............ 0.01
EST_TOTAL_COST ........... 0.01
DESCRIPTION
  max_card_est .......... 10
  fragment_id ............ 0
  parent_frag ............ (none)
  fragment_type .......... master
  join_type .............. inner
  join_method ............ nested


TRAFODION_INSERT ==========================  SEQ_NO 7        NO CHILDREN
TABLE_NAME ............... TRAFODION."_MD_".OBJECTS_UNIQ_IDX
REQUESTS_IN .............. 1
ROWS_OUT ................. 1
EST_OPER_COST ............ 0
EST_TOTAL_COST ........... 0
DESCRIPTION
  max_card_est .......... 10
  fragment_id ............ 0
  parent_frag ............ (none)
  fragment_type .......... master
  iud_type ............... index_trafodion_insert TRAFODION."_MD_".OBJECTS_UNIQ
                             _IDX
  new_rec_expr ........... (TRAFODION."_MD_".OBJECTS_UNIQ_IDX."OBJECT_UID@"
                             assign %(158802970814398584)),
                             (TRAFODION."_MD_".OBJECTS_UNIQ_IDX.CATALOG_NAME
                             assign TRAFODION."_MD_".OBJECTS.CATALOG_NAME),
                             (TRAFODION."_MD_".OBJECTS_UNIQ_IDX.SCHEMA_NAME
                             assign TRAFODION."_MD_".OBJECTS.SCHEMA_NAME),
                             (TRAFODION."_MD_".OBJECTS_UNIQ_IDX.OBJECT_NAME
                             assign TRAFODION."_MD_".OBJECTS.OBJECT_NAME),
                             (TRAFODION."_MD_".OBJECTS_UNIQ_IDX.OBJECT_TYPE
                             assign TRAFODION."_MD_".OBJECTS.OBJECT_TYPE)


NESTED_JOIN ===============================  SEQ_NO 6        CHILDREN 4, 5
REQUESTS_IN .............. 1
ROWS_OUT ................ 10
EST_OPER_COST ............ 0.01
EST_TOTAL_COST ........... 0.01
DESCRIPTION
  max_card_est .......... 10
  fragment_id ............ 0
  parent_frag ............ (none)
  fragment_type .......... master
  join_type .............. inner
  join_method ............ in-order nested


TRAFODION_INSERT ==========================  SEQ_NO 5        NO CHILDREN
TABLE_NAME ............... TRAFODION._MD_.OBJECTS
REQUESTS_IN .............. 1
ROWS_OUT ................. 1
EST_OPER_COST ............ 0
EST_TOTAL_COST ........... 0
DESCRIPTION
  max_card_est .......... 10
  fragment_id ............ 0
  parent_frag ............ (none)
  fragment_type .......... master
  iud_type ............... trafodion_insert TRAFODION._MD_.OBJECTS  (implements
                             update of clustering key or unique index key)
  new_rec_expr ........... (TRAFODION."_MD_".OBJECTS.CATALOG_NAME assign
                             %('TRAFODION')), (TRAFODION."_MD_".OBJECTS.SCHEMA_
                             NAME assign %('ALTER_RENAME_RENAME21')),
                             (TRAFODION."_MD_".OBJECTS.OBJECT_NAME assign
                             %('TAB_EMP_NEW_01')), (TRAFODION."_MD_".OBJECTS.OB
                             JECT_TYPE assign TRAFODION."_MD_".OBJECTS.OBJECT_T
                             YPE), (TRAFODION."_MD_".OBJECTS.OBJECT_UID assign
                             %(158802970814398584)),
                             (TRAFODION."_MD_".OBJECTS.CREATE_TIME assign
                             TRAFODION."_MD_".OBJECTS.CREATE_TIME),
                             (TRAFODION."_MD_".OBJECTS.REDEF_TIME assign
                             TRAFODION."_MD_".OBJECTS.REDEF_TIME),
                             (TRAFODION."_MD_".OBJECTS.VALID_DEF assign
                             TRAFODION."_MD_".OBJECTS.VALID_DEF),
                             (TRAFODION."_MD_".OBJECTS.DROPPABLE assign
                             TRAFODION."_MD_".OBJECTS.DROPPABLE),
                             (TRAFODION."_MD_".OBJECTS.OBJECT_OWNER assign
                             TRAFODION."_MD_".OBJECTS.OBJECT_OWNER),
                             (TRAFODION."_MD_".OBJECTS.SCHEMA_OWNER assign
                             TRAFODION."_MD_".OBJECTS.SCHEMA_OWNER),
                             (TRAFODION."_MD_".OBJECTS.FLAGS assign
                             TRAFODION."_MD_".OBJECTS.FLAGS)


SORT ======================================  SEQ_NO 4        ONLY CHILD 3
REQUESTS_IN .............. 1
ROWS_OUT ................ 10
EST_OPER_COST ............ 0.01
EST_TOTAL_COST ........... 0.01
DESCRIPTION
  memory_quota ........... 0 MB
  max_card_est .......... 10
  fragment_id ............ 0
  parent_frag ............ (none)
  fragment_type .......... master
  sort_type .............. full
  self_referencing_update  forced_sort
  sort_key ............... TRAFODION."_MD_".OBJECTS.OBJECT_TYPE


NESTED_ANTI_SEMI_JOIN =====================  SEQ_NO 3        CHILDREN 1, 2
REQUESTS_IN .............. 1
ROWS_OUT ................ 10
EST_OPER_COST ............ 0.01
EST_TOTAL_COST ........... 0.01
DESCRIPTION
  max_card_est .......... 10
  fragment_id ............ 0
  parent_frag ............ (none)
  fragment_type .......... master
  join_type .............. inner anti-semi
  join_method ............ nested


TRAFODION_VSBB_DELETE =====================  SEQ_NO 2        NO CHILDREN
TABLE_NAME ............... TRAFODION."_MD_".OBJECTS_UNIQ_IDX
REQUESTS_IN .............. 1
ROWS_OUT ................. 1
EST_OPER_COST ............ 0
EST_TOTAL_COST ........... 0
DESCRIPTION
  max_card_est .......... 10
  fragment_id ............ 0
  parent_frag ............ (none)
  fragment_type .......... master
  iud_type ............... index_trafodion_vsbb_delete
                             TRAFODION."_MD_".OBJECTS_UNIQ_IDX
  begin_key .............. (TRAFODION."_MD_".OBJECTS_UNIQ_IDX.OBJECT_UID@ =
                             %(158802970814398584))
  end_key ................ (TRAFODION."_MD_".OBJECTS_UNIQ_IDX.OBJECT_UID@ =
                             %(158802970814398584))


TRAFODION_DELETE ==========================  SEQ_NO 1        NO CHILDREN
TABLE_NAME ............... TRAFODION._MD_.OBJECTS
REQUESTS_IN .............. 1
ROWS_OUT ................ 10
EST_OPER_COST ............ 0
EST_TOTAL_COST ........... 0
DESCRIPTION
  max_card_est .......... 10
  fragment_id ............ 0
  parent_frag ............ (none)
  fragment_type .......... master
  iud_type ............... trafodion_delete TRAFODION._MD_.OBJECTS  (implements
                             update of clustering key or unique index key)
  columns ................ all
  begin_keys(incl)
  end_keys(incl)
  predicate .............. (TRAFODION."_MD_".OBJECTS.OBJECT_UID =
                             %(158802970814398584))

--- SQL operation complete.