Database monitor view 3028

Create View QQQ3028 as 
  (SELECT QQRID as Row_ID, 
          QQTIME as Time_Created, 
          QQJFLD as Join_Column, 
          QQRDBN as Relational_Database_Name, 
          QQSYS as System_Name, 
          QQJOB as Job_Name, 
          QQUSER as Job_User, 
          QQJNUM as Job_Number, 
          QQI9 as Thread_ID, 
          QQUCNT as Unique_Count, 
          QQUDEF as User_Defined,  
          QQQDTN as Unique_SubSelect_Number, 
          QQQDTL as SubSelect_Nested_Level, 
          QQMATN as Materialized_View_Subselect_Number, 
          QQMATL as Materialized_View_Nested_Level, 
          QVP15E as Materialized_View_Union_Level, 
          QVP15A as Decomposed_Subselect_Number, 
          QVP15B as Total_Number_Decomposed_SubSelects, 
          QVP15C as Decomposed_SubSelect_Reason_Code,
          QVP15D as Starting_Decomposed_SubSelect,
          QVRCNT as Unique_Refresh_Counter, 
          QVPARPF as Parallel_Prefetch, 
          QVPARPL as Parallel_PreLoad, 
          QVPARD as Parallel_Degree_Requested, 
          QVPARU as Parallel_Degree_Used, 
          QVPARRC as Parallel_Degree_Reason_Code, 
          QQEPT as Estimated_Processing_Time, 
          QVCTIM as Estimated_Cumulative_Time, 
          QQREST as Estimated_Rows_Selected, 
          QQAJN as Estimated_Join_Rows, 
          QQJNP as Join_Position, 
          QQI1 as DataSpace_Number,
          QQC21 as Join_Method, 
          QQC22 as Join_Type,
          QQC23 as Join_Operator,
          QVJFANO as Join_Fanout,  
          QVFILES as Join_Table_Count,
          QQC11 as GroupBy_Implementation, 
          QQC101 as GroupBy_Index_Name,     
          QQC102 as GroupBy_Index_Library,  
          QVINAM as GroupBy_Index_Long_Name,  
          QVILIB as GroupBy_Index_Long_Library,  
          QQC12 as Has_Having_Selection,  
          QQC13 as Having_to_Where_Selection_Conversion, 
          QQI2 as Estimated_Number_of_Groups,  
          QQI3 as Average_Number_Rows_per_Group,  
          QVC3001 as GroupBy_Columns, 
          QVC3002 as MIN_Columns,  
          QVC3003 as MAX_Columns,  
          QVC3004 as SUM_Columns,  
          QVC3005 as COUNT_Columns,  
          QVC3006 as AVG_Columns,  
          QVC3007 as STDDEV_Columns,  
          QVC3008 as VAR_Columns 
   FROM   UserLib/DBMONTable
   WHERE  QQRID=3028)

Table 1. QQQ3028 - Grouping
View Column Name	Table Column Name	Description
Row_ID	QQRID	Row identification
Time_Created	QQTIME	Time row was created
Join_Column	QQJFLD	Join column (unique per job)
Relational_Database_Name	QQRDBN	Relational database name
System_Name	QQSYS	System name
Job_Name	QQJOB	Job name
Job_User	QQUSER	Job user
Job_Number	QQJNUM	Job number
Thread_ID	QQI9	Thread identifier
Unique_Count	QQUCNT	Unique count (unique per query)
User_Defined	QQUDEF	User defined column
Unique_SubSelect_Number	QQQDTN	Unique subselect number
SubSelect_Nested_Level	QQQDTL	Subselect nested level
Materialized_View_Subselect_Number	QQMATN	Materialized view subselect number
Materialized_View_Nested_Level	QQMATL	Materialized view nested level
Materialized_View_Union_Level	QVP15E	Materialized view union level
Decomposed_Subselect_Number	QVP15A	Decomposed query subselect number, unique across all decomposed subselects
Total_Number_Decomposed_SubSelects	QVP15B	Total number of decomposed subselects
Decomposed_SubSelect_Reason_Code	QVP15C	Decomposed query subselect reason code
Starting_Decomposed_SubSelect	QVP15D	Decomposed query subselect number for the first decomposed subselect
Unique_Refresh_Counter	QVRCNT	Unique refresh counter
Parallel_Prefetch	QVPARPF	Parallel Prefetch (Y/N)
Parallel_PreLoad	QVPARPL	Parallel Preload (index used)
Parallel_Degree_Requested	QVPARD	Parallel degree requested (index used)
Parallel_Degree_Used	QVPARU	Parallel degree used (index used)
Parallel_Degree_Reason_Code	QVPARRC	Reason parallel processing was limited (index used)
Estimated_Processing_Time	QQEPT	Estimated processing time, in seconds
Estimated_Cumulative_Time	QVCTIM	Estimated cumulative time, in seconds
Estimated_Rows_Selected	QQREST	Estimated rows selected
Estimated_Join_Rows	QQAJN	Estimated number of joined rows
Join_Position	QQJNP	Join position
DataSpace_Number	QQI1	Dataspace number
Join_Method	QQC21	Join method - when available NL - Nested loop MF - Nested loop with selection HJ - Hash join
Join_Type	QQC22	Join type - when available IN - Inner join PO - Left partial outer join EX - Exception join
Join_Operator	QQC23	Join operator - when available EQ - Equal NE - Not equal GT - Greater than GE - Greater than or equal LT - Less than LE - Less than or equal CP - Cartesian product
Join_Fanout	QVJFANO	Join fan out. Possible values are: N - Normal join situation where fanout is allowed and each matching row of the join fanout is returned. D - Distinct fanout. Join fanout is allowed however none of the join fanout rows are returned. U - Unique fanout. Join fanout is not allowed. Error situation if join fanout occurs.
Join_Table_Count	QVFILES	Number of tables joined
GroupBy_Implementation	QQC11	Group by implementation ' ' - No grouping I - Index H - Hash
GroupBy_Index_Name	QQC101	Index, or constraint, used for grouping
GroupBy_Index_Library	QQC102	Library of index used for grouping
GroupBy_Index_Long_Name	QVINAM	Long name of index, or constraint, used for grouping
GroupBy_Index_Long_Library	QVILIB	Long name of index, or constraint, library used for grouping
Has_Having_Selection	QQC12	Having selection exists (Y/N)
Having_to_Where_Selection_Conversion	QQC13	Having to Where conversion (Y/N)
Estimated_Number_of_Groups	QQI2	Estimated number of groups
Average_Number_Rows_per_Group	QQI3	Average number of rows in each group
GroupBy_Columns	QVC3001	Grouping columns
MIN_Columns	QVC3002	MIN columns
MAX_Columns	QVC3003	MAX columns
SUM_Columns	QVC3004	SUM columns
COUNT_Columns	QVC3005	COUNT columns
AVG_Columns	QVC3006	AVG columns
STDDEV_Columns	QVC3007	STDDEV columns
VAR_Columns	QVC3008	VAR columns

Database monitor view 3028 - Grouping