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a.txt
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Trace file /export/home/oracle/diag/rdbms/sol112/SOL112/trace/SOL112_ora_29553_0001.trc
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORACLE_HOME = /export/home/oracle/product/11.2.0/db_1
System name: SunOS
Node name: solaris02
Release: 5.11
Version: snv_111b
Machine: i86pc
Instance name: SOL112
Redo thread mounted by this instance: 1
Oracle process number: 25
Unix process pid: 29553, image: oracle@solaris02
*** 2010-04-29 18:11:44.984
*** SESSION ID:(142.6373) 2010-04-29 18:11:44.984
*** CLIENT ID:() 2010-04-29 18:11:44.984
*** SERVICE NAME:(SOL112) 2010-04-29 18:11:44.984
*** MODULE NAME:(SQL*Plus) 2010-04-29 18:11:44.984
*** ACTION NAME:() 2010-04-29 18:11:44.984
*** TRACE CONTINUED FROM FILE /export/home/oracle/diag/rdbms/sol112/SOL112/trace/SOL112_ora_29553.trc ***
Registered qb: SEL$1 0xfdbfdca8 (PARSER)
---------------------
QUERY BLOCK SIGNATURE
---------------------
signature (): qb_name=SEL$1 nbfros=7 flg=0
fro(0): flg=4 objn=74142 hint_alias="C"@"SEL$1"
fro(1): flg=4 objn=74123 hint_alias="D"@"SEL$1"
fro(2): flg=4 objn=74128 hint_alias="E"@"SEL$1"
fro(3): flg=4 objn=74165 hint_alias="O"@"SEL$1"
fro(4): flg=4 objn=74160 hint_alias="OI"@"SEL$1"
fro(5): flg=5 objn=74600 hint_alias="PROD"@"SEL$1"
fro(6): flg=4 objn=74179 hint_alias="PROM"@"SEL$1"
Registered qb: SEL$2 0xfdb563d0 (PARSER)
---------------------
QUERY BLOCK SIGNATURE
---------------------
signature (): qb_name=SEL$2 nbfros=2 flg=0
fro(0): flg=4 objn=74176 hint_alias="D"@"SEL$2"
fro(1): flg=4 objn=74173 hint_alias="I"@"SEL$2"
SPM: statement not found in SMB
**************************
Automatic degree of parallelism (ADOP)
**************************
Automatic degree of parallelism is disabled: Parameter.
PM: Considering predicate move-around in query block SEL$1 (#0)
**************************
Predicate Move-Around (PM)
**************************
OPTIMIZER INFORMATION
******************************************
----- Current SQL Statement for this session (sql_id=3qy33cc7bz0y2) -----
SELECT /*+ opt_param('_optimizer_use_feedback', 'false') */
d.department_name
, e.first_name
, e.last_name
, prod.product_name
, c.cust_first_name
, c.cust_last_name
, SUM(oi.quantity)
, sum(oi.unit_price * oi.quantity) total_price
FROM
oe.orders o
, oe.order_items oi
, oe.products prod
, oe.customers c
, oe.promotions prom
, hr.employees e
, hr.departments d
WHERE
-- joins
o.order_id = oi.order_id
AND oi.product_id = prod.product_id
AND o.promotion_id = prom.promo_id (+)
AND o.customer_id = c.customer_id
AND o.sales_rep_id = e.employee_id
AND d.department_id = e.department_id
-- filters
AND d.department_name = 'Sales'
AND e.first_name = 'William'
AND e.last_name = 'Smith'
AND prod.product_name = 'Mobile Web Phone'
AND c.cust_first_name = 'Gena'
AND c.cust_last_name = 'Harris'
GROUP BY
d.department_name
, e.first_name
, e.last_name
, prod.product_name
, c.cust_first_name
, c.cust_last_name
ORDER BY
total_price
*******************************************
Legend
The following abbreviations are used by optimizer trace.
CBQT - cost-based query transformation
JPPD - join predicate push-down
OJPPD - old-style (non-cost-based) JPPD
FPD - filter push-down
PM - predicate move-around
CVM - complex view merging
SPJ - select-project-join
SJC - set join conversion
SU - subquery unnesting
OBYE - order by elimination
OST - old style star transformation
ST - new (cbqt) star transformation
CNT - count(col) to count(*) transformation
JE - Join Elimination
JF - join factorization
SLP - select list pruning
DP - distinct placement
qb - query block
LB - leaf blocks
DK - distinct keys
LB/K - average number of leaf blocks per key
DB/K - average number of data blocks per key
CLUF - clustering factor
NDV - number of distinct values
Resp - response cost
Card - cardinality
Resc - resource cost
NL - nested loops (join)
SM - sort merge (join)
HA - hash (join)
CPUSPEED - CPU Speed
IOTFRSPEED - I/O transfer speed
IOSEEKTIM - I/O seek time
SREADTIM - average single block read time
MREADTIM - average multiblock read time
MBRC - average multiblock read count
MAXTHR - maximum I/O system throughput
SLAVETHR - average slave I/O throughput
dmeth - distribution method
1: no partitioning required
2: value partitioned
4: right is random (round-robin)
128: left is random (round-robin)
8: broadcast right and partition left
16: broadcast left and partition right
32: partition left using partitioning of right
64: partition right using partitioning of left
256: run the join in serial
0: invalid distribution method
sel - selectivity
ptn - partition
***************************************
PARAMETERS USED BY THE OPTIMIZER
********************************
*************************************
PARAMETERS WITH ALTERED VALUES
******************************
Compilation Environment Dump
Bug Fix Control Environment
*************************************
PARAMETERS WITH DEFAULT VALUES
******************************
Compilation Environment Dump
optimizer_mode_hinted = false
optimizer_features_hinted = 0.0.0
parallel_execution_enabled = true
parallel_query_forced_dop = 0
parallel_dml_forced_dop = 0
parallel_ddl_forced_degree = 0
parallel_ddl_forced_instances = 0
_query_rewrite_fudge = 90
optimizer_features_enable = 11.2.0.1
_optimizer_search_limit = 5
cpu_count = 2
active_instance_count = 1
parallel_threads_per_cpu = 2
hash_area_size = 131072
bitmap_merge_area_size = 1048576
sort_area_size = 65536
sort_area_retained_size = 0
_sort_elimination_cost_ratio = 0
_optimizer_block_size = 8192
_sort_multiblock_read_count = 2
_hash_multiblock_io_count = 0
_db_file_optimizer_read_count = 8
_optimizer_max_permutations = 2000
pga_aggregate_target = 286720 KB
_pga_max_size = 204800 KB
_query_rewrite_maxdisjunct = 257
_smm_auto_min_io_size = 56 KB
_smm_auto_max_io_size = 248 KB
_smm_min_size = 286 KB
_smm_max_size = 57344 KB
_smm_px_max_size = 143360 KB
_cpu_to_io = 0
_optimizer_undo_cost_change = 11.2.0.1
parallel_query_mode = enabled
parallel_dml_mode = disabled
parallel_ddl_mode = enabled
optimizer_mode = all_rows
sqlstat_enabled = false
_optimizer_percent_parallel = 101
_always_anti_join = choose
_always_semi_join = choose
_optimizer_mode_force = true
_partition_view_enabled = true
_always_star_transformation = false
_query_rewrite_or_error = false
_hash_join_enabled = true
cursor_sharing = exact
_b_tree_bitmap_plans = true
star_transformation_enabled = false
_optimizer_cost_model = choose
_new_sort_cost_estimate = true
_complex_view_merging = true
_unnest_subquery = true
_eliminate_common_subexpr = true
_pred_move_around = true
_convert_set_to_join = false
_push_join_predicate = true
_push_join_union_view = true
_fast_full_scan_enabled = true
_optim_enhance_nnull_detection = true
_parallel_broadcast_enabled = true
_px_broadcast_fudge_factor = 100
_ordered_nested_loop = true
_no_or_expansion = false
optimizer_index_cost_adj = 100
optimizer_index_caching = 0
_system_index_caching = 0
_disable_datalayer_sampling = false
query_rewrite_enabled = true
query_rewrite_integrity = enforced
_query_cost_rewrite = true
_query_rewrite_2 = true
_query_rewrite_1 = true
_query_rewrite_expression = true
_query_rewrite_jgmigrate = true
_query_rewrite_fpc = true
_query_rewrite_drj = true
_full_pwise_join_enabled = true
_partial_pwise_join_enabled = true
_left_nested_loops_random = true
_improved_row_length_enabled = true
_index_join_enabled = true
_enable_type_dep_selectivity = true
_improved_outerjoin_card = true
_optimizer_adjust_for_nulls = true
_optimizer_degree = 0
_use_column_stats_for_function = true
_subquery_pruning_enabled = true
_subquery_pruning_mv_enabled = false
_or_expand_nvl_predicate = true
_like_with_bind_as_equality = false
_table_scan_cost_plus_one = true
_cost_equality_semi_join = true
_default_non_equality_sel_check = true
_new_initial_join_orders = true
_oneside_colstat_for_equijoins = true
_optim_peek_user_binds = true
_minimal_stats_aggregation = true
_force_temptables_for_gsets = false
workarea_size_policy = auto
_smm_auto_cost_enabled = true
_gs_anti_semi_join_allowed = true
_optim_new_default_join_sel = true
optimizer_dynamic_sampling = 2
_pre_rewrite_push_pred = true
_optimizer_new_join_card_computation = true
_union_rewrite_for_gs = yes_gset_mvs
_generalized_pruning_enabled = true
_optim_adjust_for_part_skews = true
_force_datefold_trunc = false
statistics_level = typical
_optimizer_system_stats_usage = true
skip_unusable_indexes = true
_remove_aggr_subquery = true
_optimizer_push_down_distinct = 0
_dml_monitoring_enabled = true
_optimizer_undo_changes = false
_predicate_elimination_enabled = true
_nested_loop_fudge = 100
_project_view_columns = true
_local_communication_costing_enabled = true
_local_communication_ratio = 50
_query_rewrite_vop_cleanup = true
_slave_mapping_enabled = true
_optimizer_cost_based_transformation = linear
_optimizer_mjc_enabled = true
_right_outer_hash_enable = true
_spr_push_pred_refspr = true
_optimizer_cache_stats = false
_optimizer_cbqt_factor = 50
_optimizer_squ_bottomup = true
_fic_area_size = 131072
_optimizer_skip_scan_enabled = true
_optimizer_cost_filter_pred = false
_optimizer_sortmerge_join_enabled = true
_optimizer_join_sel_sanity_check = true
_mmv_query_rewrite_enabled = true
_bt_mmv_query_rewrite_enabled = true
_add_stale_mv_to_dependency_list = true
_distinct_view_unnesting = false
_optimizer_dim_subq_join_sel = true
_optimizer_disable_strans_sanity_checks = 0
_optimizer_compute_index_stats = true
_push_join_union_view2 = true
_optimizer_ignore_hints = false
_optimizer_random_plan = 0
_query_rewrite_setopgrw_enable = true
_optimizer_correct_sq_selectivity = true
_disable_function_based_index = false
_optimizer_join_order_control = 3
_optimizer_cartesian_enabled = true
_optimizer_starplan_enabled = true
_extended_pruning_enabled = true
_optimizer_push_pred_cost_based = true
_optimizer_null_aware_antijoin = true
_optimizer_extend_jppd_view_types = true
_sql_model_unfold_forloops = run_time
_enable_dml_lock_escalation = false
_bloom_filter_enabled = true
_update_bji_ipdml_enabled = 0
_optimizer_extended_cursor_sharing = udo
_dm_max_shared_pool_pct = 1
_optimizer_cost_hjsmj_multimatch = true
_optimizer_transitivity_retain = true
_px_pwg_enabled = true
optimizer_secure_view_merging = true
_optimizer_join_elimination_enabled = true
flashback_table_rpi = non_fbt
_optimizer_cbqt_no_size_restriction = true
_optimizer_enhanced_filter_push = true
_optimizer_filter_pred_pullup = true
_rowsrc_trace_level = 0
_simple_view_merging = true
_optimizer_rownum_pred_based_fkr = true
_optimizer_better_inlist_costing = all
_optimizer_self_induced_cache_cost = false
_optimizer_min_cache_blocks = 10
_optimizer_or_expansion = depth
_optimizer_order_by_elimination_enabled = true
_optimizer_outer_to_anti_enabled = true
_selfjoin_mv_duplicates = true
_dimension_skip_null = true
_force_rewrite_enable = false
_optimizer_star_tran_in_with_clause = true
_optimizer_complex_pred_selectivity = true
_optimizer_connect_by_cost_based = true
_gby_hash_aggregation_enabled = true
_globalindex_pnum_filter_enabled = true
_px_minus_intersect = true
_fix_control_key = 0
_force_slave_mapping_intra_part_loads = false
_force_tmp_segment_loads = false
_query_mmvrewrite_maxpreds = 10
_query_mmvrewrite_maxintervals = 5
_query_mmvrewrite_maxinlists = 5
_query_mmvrewrite_maxdmaps = 10
_query_mmvrewrite_maxcmaps = 20
_query_mmvrewrite_maxregperm = 512
_query_mmvrewrite_maxmergedcmaps = 50
_query_mmvrewrite_maxqryinlistvals = 500
_disable_parallel_conventional_load = false
_trace_virtual_columns = false
_replace_virtual_columns = true
_virtual_column_overload_allowed = true
_kdt_buffering = true
_first_k_rows_dynamic_proration = true
_optimizer_sortmerge_join_inequality = true
_optimizer_aw_stats_enabled = true
_bloom_pruning_enabled = true
result_cache_mode = MANUAL
_px_ual_serial_input = true
_optimizer_skip_scan_guess = false
_enable_row_shipping = true
_row_shipping_threshold = 80
_row_shipping_explain = false
transaction_isolation_level = read_commited
_optimizer_distinct_elimination = true
_optimizer_multi_level_push_pred = true
_optimizer_group_by_placement = true
_optimizer_rownum_bind_default = 10
_enable_query_rewrite_on_remote_objs = true
_optimizer_extended_cursor_sharing_rel = simple
_optimizer_adaptive_cursor_sharing = true
_direct_path_insert_features = 0
_optimizer_improve_selectivity = true
optimizer_use_pending_statistics = false
_optimizer_enable_density_improvements = true
_optimizer_aw_join_push_enabled = true
_optimizer_connect_by_combine_sw = true
_enable_pmo_ctas = 0
_optimizer_native_full_outer_join = force
_bloom_predicate_enabled = true
_optimizer_enable_extended_stats = true
_is_lock_table_for_ddl_wait_lock = 0
_pivot_implementation_method = choose
optimizer_capture_sql_plan_baselines = false
optimizer_use_sql_plan_baselines = true
_optimizer_star_trans_min_cost = 0
_optimizer_star_trans_min_ratio = 0
_with_subquery = OPTIMIZER
_optimizer_fkr_index_cost_bias = 10
_optimizer_use_subheap = true
parallel_degree_policy = manual
parallel_degree = 0
parallel_min_time_threshold = 10
_parallel_time_unit = 10
_optimizer_or_expansion_subheap = true
_optimizer_free_transformation_heap = true
_optimizer_reuse_cost_annotations = true
_result_cache_auto_size_threshold = 100
_result_cache_auto_time_threshold = 1000
_optimizer_nested_rollup_for_gset = 100
_nlj_batching_enabled = 1
parallel_query_default_dop = 0
is_recur_flags = 0
optimizer_use_invisible_indexes = false
flashback_data_archive_internal_cursor = 0
_optimizer_extended_stats_usage_control = 224
_parallel_syspls_obey_force = true
cell_offload_processing = true
_rdbms_internal_fplib_enabled = false
db_file_multiblock_read_count = 126
_bloom_folding_enabled = true
_mv_generalized_oj_refresh_opt = true
cell_offload_compaction = ADAPTIVE
parallel_degree_limit = 65535
parallel_force_local = false
parallel_max_degree = 4
total_cpu_count = 2
cell_offload_plan_display = AUTO
_optimizer_coalesce_subqueries = true
_optimizer_fast_pred_transitivity = true
_optimizer_fast_access_pred_analysis = true
_optimizer_unnest_disjunctive_subq = true
_optimizer_unnest_corr_set_subq = true
_optimizer_distinct_agg_transform = true
_aggregation_optimization_settings = 0
_optimizer_connect_by_elim_dups = true
_optimizer_eliminate_filtering_join = true
_connect_by_use_union_all = true
dst_upgrade_insert_conv = true
advanced_queuing_internal_cursor = 0
_optimizer_unnest_all_subqueries = true
_bloom_predicate_pushdown_to_storage = true
_bloom_vector_elements = 0
_bloom_pushing_max = 524288
parallel_autodop = 0
parallel_ddldml = 0
_parallel_cluster_cache_policy = adaptive
_parallel_scalability = 50
iot_internal_cursor = 0
_optimizer_instance_count = 0
_optimizer_connect_by_cb_whr_only = false
_suppress_scn_chk_for_cqn = nosuppress_1466
_optimizer_join_factorization = true
_optimizer_use_cbqt_star_transformation = true
_optimizer_table_expansion = true
_and_pruning_enabled = true
_deferred_constant_folding_mode = DEFAULT
_optimizer_distinct_placement = true
partition_pruning_internal_cursor = 0
parallel_hinted = none
_sql_compatibility = 0
_optimizer_use_feedback = true
_optimizer_try_st_before_jppd = true
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***************************************
PARAMETERS IN OPT_PARAM HINT
****************************
_optimizer_use_feedback = 'false'
***************************************
Column Usage Monitoring is ON: tracking level = 1
***************************************
Considering Query Transformations on query block SEL$1 (#0)
**************************
Query transformations (QT)
**************************
JF: Checking validity of join factorization for query block SEL$2 (#0)
JF: Bypassed: not a UNION or UNION-ALL query block.
ST: not valid since star transformation parameter is FALSE
TE: Checking validity of table expansion for query block SEL$2 (#0)
TE: Bypassed: No partitioned table in query block.
Check Basic Validity for Non-Union View for query block SEL$2 (#0)
JPPD: JPPD bypassed: View has unsupported constructs.
CBQT: Validity checks passed for 3qy33cc7bz0y2.
CSE: Considering common sub-expression elimination in query block SEL$1 (#0)
*************************
Common Subexpression elimination (CSE)
*************************
CSE: Considering common sub-expression elimination in query block SEL$2 (#0)
*************************
Common Subexpression elimination (CSE)
*************************
CSE: CSE not performed on query block SEL$2 (#0).
CSE: CSE not performed on query block SEL$1 (#0).
OBYE: Considering Order-by Elimination from view SEL$1 (#0)
***************************
Order-by elimination (OBYE)
***************************
OBYE: Considering Order-by Elimination from view SEL$2 (#0)
***************************
Order-by elimination (OBYE)
***************************
OBYE: OBYE bypassed: no order by to eliminate.
OBYE: OBYE performed.
JE: Considering Join Elimination on query block SEL$2 (#0)
*************************
Join Elimination (JE)
*************************
SQL:******* UNPARSED QUERY IS *******
SELECT "I"."PRODUCT_ID" "PRODUCT_ID",CASE WHEN "D"."LANGUAGE_ID" IS NOT NULL THEN "D"."TRANSLATED_NAME" ELSE CSCONVERT("I"."PRODUCT_NAME",'NCHAR_CS') END "PRODUCT_NAME" FROM OE."PRODUCT_INFORMATION" "I",OE."PRODUCT_DESCRIPTIONS" "D" WHERE "D"."PRODUCT_ID"(+)="I"."PRODUCT_ID" AND "D"."LANGUAGE_ID"(+)=SYS_CONTEXT('USERENV','LANG')
SQL:******* UNPARSED QUERY IS *******
SELECT "I"."PRODUCT_ID" "PRODUCT_ID",CASE WHEN "D"."LANGUAGE_ID" IS NOT NULL THEN "D"."TRANSLATED_NAME" ELSE CSCONVERT("I"."PRODUCT_NAME",'NCHAR_CS') END "PRODUCT_NAME" FROM OE."PRODUCT_INFORMATION" "I",OE."PRODUCT_DESCRIPTIONS" "D" WHERE "D"."PRODUCT_ID"(+)="I"."PRODUCT_ID" AND "D"."LANGUAGE_ID"(+)=SYS_CONTEXT('USERENV','LANG')
Query block SEL$2 (#0) unchanged
JE: Considering Join Elimination on query block SEL$1 (#0)
*************************
Join Elimination (JE)
*************************
SQL:******* UNPARSED QUERY IS *******
SELECT "D"."DEPARTMENT_NAME" "DEPARTMENT_NAME","E"."FIRST_NAME" "FIRST_NAME","E"."LAST_NAME" "LAST_NAME","PROD"."PRODUCT_NAME" "PRODUCT_NAME","C"."CUST_FIRST_NAME" "CUST_FIRST_NAME","C"."CUST_LAST_NAME" "CUST_LAST_NAME",SUM("OI"."QUANTITY") "SUM(OI.QUANTITY)",SUM("OI"."UNIT_PRICE"*"OI"."QUANTITY") "TOTAL_PRICE" FROM "OE"."ORDERS" "O","OE"."ORDER_ITEMS" "OI", (SELECT "I"."PRODUCT_ID" "PRODUCT_ID",CASE WHEN "D"."LANGUAGE_ID" IS NOT NULL THEN "D"."TRANSLATED_NAME" ELSE CSCONVERT("I"."PRODUCT_NAME",'NCHAR_CS') END "PRODUCT_NAME" FROM OE."PRODUCT_INFORMATION" "I",OE."PRODUCT_DESCRIPTIONS" "D" WHERE "D"."PRODUCT_ID"(+)="I"."PRODUCT_ID" AND "D"."LANGUAGE_ID"(+)=SYS_CONTEXT('USERENV','LANG')) "PROD","OE"."CUSTOMERS" "C","OE"."PROMOTIONS" "PROM","HR"."EMPLOYEES" "E","HR"."DEPARTMENTS" "D" WHERE "O"."ORDER_ID"="OI"."ORDER_ID" AND "OI"."PRODUCT_ID"="PROD"."PRODUCT_ID" AND "O"."PROMOTION_ID"="PROM"."PROMO_ID"(+) AND "O"."CUSTOMER_ID"="C"."CUSTOMER_ID" AND "O"."SALES_REP_ID"="E"."EMPLOYEE_ID" AND "D"."DEPARTMENT_ID"="E"."DEPARTMENT_ID" AND "D"."DEPARTMENT_NAME"='Sales' AND "E"."FIRST_NAME"='William' AND "E"."LAST_NAME"='Smith' AND "PROD"."PRODUCT_NAME"='Mobile Web Phone' AND "C"."CUST_FIRST_NAME"='Gena' AND "C"."CUST_LAST_NAME"='Harris' GROUP BY "D"."DEPARTMENT_NAME","E"."FIRST_NAME","E"."LAST_NAME","PROD"."PRODUCT_NAME","C"."CUST_FIRST_NAME","C"."CUST_LAST_NAME" ORDER BY SUM("OI"."UNIT_PRICE"*"OI"."QUANTITY")
Query block (fffffd7ffdbfdca8) before join elimination:
SQL:******* UNPARSED QUERY IS *******
SELECT "D"."DEPARTMENT_NAME" "DEPARTMENT_NAME","E"."FIRST_NAME" "FIRST_NAME","E"."LAST_NAME" "LAST_NAME","PROD"."PRODUCT_NAME" "PRODUCT_NAME","C"."CUST_FIRST_NAME" "CUST_FIRST_NAME","C"."CUST_LAST_NAME" "CUST_LAST_NAME",SUM("OI"."QUANTITY") "SUM(OI.QUANTITY)",SUM("OI"."UNIT_PRICE"*"OI"."QUANTITY") "TOTAL_PRICE" FROM "OE"."ORDERS" "O","OE"."ORDER_ITEMS" "OI", (SELECT "I"."PRODUCT_ID" "PRODUCT_ID",CASE WHEN "D"."LANGUAGE_ID" IS NOT NULL THEN "D"."TRANSLATED_NAME" ELSE CSCONVERT("I"."PRODUCT_NAME",'NCHAR_CS') END "PRODUCT_NAME" FROM OE."PRODUCT_INFORMATION" "I",OE."PRODUCT_DESCRIPTIONS" "D" WHERE "D"."PRODUCT_ID"(+)="I"."PRODUCT_ID" AND "D"."LANGUAGE_ID"(+)=SYS_CONTEXT('USERENV','LANG')) "PROD","OE"."CUSTOMERS" "C","OE"."PROMOTIONS" "PROM","HR"."EMPLOYEES" "E","HR"."DEPARTMENTS" "D" WHERE "O"."ORDER_ID"="OI"."ORDER_ID" AND "OI"."PRODUCT_ID"="PROD"."PRODUCT_ID" AND "O"."PROMOTION_ID"="PROM"."PROMO_ID"(+) AND "O"."CUSTOMER_ID"="C"."CUSTOMER_ID" AND "O"."SALES_REP_ID"="E"."EMPLOYEE_ID" AND "D"."DEPARTMENT_ID"="E"."DEPARTMENT_ID" AND "D"."DEPARTMENT_NAME"='Sales' AND "E"."FIRST_NAME"='William' AND "E"."LAST_NAME"='Smith' AND "PROD"."PRODUCT_NAME"='Mobile Web Phone' AND "C"."CUST_FIRST_NAME"='Gena' AND "C"."CUST_LAST_NAME"='Harris' GROUP BY "D"."DEPARTMENT_NAME","E"."FIRST_NAME","E"."LAST_NAME","PROD"."PRODUCT_NAME","C"."CUST_FIRST_NAME","C"."CUST_LAST_NAME" ORDER BY SUM("OI"."UNIT_PRICE"*"OI"."QUANTITY")
JE: eliminate table: PROMOTIONS (PROM)
JE: cfro: ORDER_ITEMS objn:74165 col#:1 dfro:ORDERS dcol#:1
Registered qb: SEL$31BE1502 0xfdbfdca8 (JOIN REMOVED FROM QUERY BLOCK SEL$1; SEL$1; "PROM"@"SEL$1")
---------------------
QUERY BLOCK SIGNATURE
---------------------
signature (): qb_name=SEL$31BE1502 nbfros=6 flg=0
fro(0): flg=0 objn=74142 hint_alias="C"@"SEL$1"
fro(1): flg=0 objn=74123 hint_alias="D"@"SEL$1"
fro(2): flg=0 objn=74128 hint_alias="E"@"SEL$1"
fro(3): flg=0 objn=74165 hint_alias="O"@"SEL$1"
fro(4): flg=0 objn=74160 hint_alias="OI"@"SEL$1"
fro(5): flg=1 objn=74600 hint_alias="PROD"@"SEL$1"
SQL:******* UNPARSED QUERY IS *******
SELECT "D"."DEPARTMENT_NAME" "DEPARTMENT_NAME","E"."FIRST_NAME" "FIRST_NAME","E"."LAST_NAME" "LAST_NAME","PROD"."PRODUCT_NAME" "PRODUCT_NAME","C"."CUST_FIRST_NAME" "CUST_FIRST_NAME","C"."CUST_LAST_NAME" "CUST_LAST_NAME",SUM("OI"."QUANTITY") "SUM(OI.QUANTITY)",SUM("OI"."UNIT_PRICE"*"OI"."QUANTITY") "TOTAL_PRICE" FROM "OE"."ORDERS" "O","OE"."ORDER_ITEMS" "OI", (SELECT "I"."PRODUCT_ID" "PRODUCT_ID",CASE WHEN "D"."LANGUAGE_ID" IS NOT NULL THEN "D"."TRANSLATED_NAME" ELSE CSCONVERT("I"."PRODUCT_NAME",'NCHAR_CS') END "PRODUCT_NAME" FROM OE."PRODUCT_INFORMATION" "I",OE."PRODUCT_DESCRIPTIONS" "D" WHERE "D"."PRODUCT_ID"(+)="I"."PRODUCT_ID" AND "D"."LANGUAGE_ID"(+)=SYS_CONTEXT('USERENV','LANG')) "PROD","OE"."CUSTOMERS" "C","HR"."EMPLOYEES" "E","HR"."DEPARTMENTS" "D" WHERE "O"."ORDER_ID"="OI"."ORDER_ID" AND "OI"."PRODUCT_ID"="PROD"."PRODUCT_ID" AND "O"."CUSTOMER_ID"="C"."CUSTOMER_ID" AND "O"."SALES_REP_ID"="E"."EMPLOYEE_ID" AND "D"."DEPARTMENT_ID"="E"."DEPARTMENT_ID" AND "D"."DEPARTMENT_NAME"='Sales' AND "E"."FIRST_NAME"='William' AND "E"."LAST_NAME"='Smith' AND "PROD"."PRODUCT_NAME"='Mobile Web Phone' AND "C"."CUST_FIRST_NAME"='Gena' AND "C"."CUST_LAST_NAME"='Harris' GROUP BY "D"."DEPARTMENT_NAME","E"."FIRST_NAME","E"."LAST_NAME","PROD"."PRODUCT_NAME","C"."CUST_FIRST_NAME","C"."CUST_LAST_NAME" ORDER BY SUM("OI"."UNIT_PRICE"*"OI"."QUANTITY")
Query block SEL$31BE1502 (#0) simplified
OJE: Considering outer-join elimination on query block SEL$31BE1502 (#0)
OJE: considering predicate"O"."ORDER_ID"="OI"."ORDER_ID"
rejected
OJE: considering predicate"OI"."PRODUCT_ID"="PROD"."PRODUCT_ID"
rejected
OJE: considering predicate"O"."CUSTOMER_ID"="C"."CUSTOMER_ID"
rejected
OJE: considering predicate"O"."SALES_REP_ID"="E"."EMPLOYEE_ID"
rejected
OJE: considering predicate"D"."DEPARTMENT_ID"="E"."DEPARTMENT_ID"
rejected
OJE: considering predicate"D"."DEPARTMENT_NAME"='Sales'
rejected
OJE: considering predicate"E"."FIRST_NAME"='William'
rejected
OJE: considering predicate"E"."LAST_NAME"='Smith'
rejected
OJE: considering predicate"PROD"."PRODUCT_NAME"='Mobile Web Phone'
rejected
OJE: considering predicate"C"."CUST_FIRST_NAME"='Gena'
rejected
OJE: considering predicate"C"."CUST_LAST_NAME"='Harris'
rejected
OJE: outer-join not eliminated
CNT: Considering count(col) to count(*) on query block SEL$31BE1502 (#0)
*************************
Count(col) to Count(*) (CNT)
*************************
CNT: COUNT() to COUNT(*) not done.
OJE: Considering outer-join elimination on query block SEL$2 (#0)