Database monitor view 3020 - Index advised (SQE)

 

Create View QQQ3020 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,
          QQTLN as System_Table_Schema, 
          QQTFN as System_Table_Name, 
          QQTMN as Member_Name, 
          QQPTLN as System_Base_Table_Schema, 
          QQPTFN as System_Base_Table_Name, 
          QQPTMN as Base_Member_Name, 
          QVPLIB as Base_Table_Schema,
          QVPTBL as Base_Table_Name,
          QQTOTR as Table_Total_Rows, 
          QQEPT as Estimated_Processing_Time,   
          QQIDXA as Index_is_Advised, 
          QQIDXD as Index_Advised_Columns_Short_List,
          QQ1000L as Index_Advised_Columns_Long_List,
          QQI1 as Number_of_Advised_Columns,
          QQI2 as Number_of_Advised_Primary_Columns,   
          QQRCOD as Reason_Code, 
          QVRCNT as Unique_Refresh_Counter, 
          QVC1F as Type_of_Index_Advised, 
          QQNTNM as NLSS_Table, 
          QQNLNM as NLSS_Library    FROM   UserLib/DBMONTable    WHERE  QQRID=3020)  

Table 1. QQQ3020 - Index advised (SQE)

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
System_Table_Schema	QQTLN	Schema of table queried
System_Table_Name	QQTFN	Name of table queried
Member_Name	QQTMN	Member name of table queried
System_Base_Table_Schema	QQPTLN	Schema name of base table
System_Base_Table_Name	QQPTFN	Name of base table for table queried
Base_Member_Name	QQPTMN	Member of base table
Base_Table_Schema	QVPLIB	Schema of base table, long name
Base_Table_Name	QVPTBL	Base table, long name
Table_Total_Rows	QQTOTR	Number of rows in the table
Estimated_Processing_Time	QQEPT	Estimated processing time, in seconds
Index_is_Advised	QQIDXA	Index advised (Y/N)
Index_Advised_Columns_Short_List	QQIDXD	Columns for the index advised, first 1000 bytes
Index_Advised_Columns_Long_List	QQ1000L	Column for the index advised
Number_of_Advised_Columns	QQI1	Number of indexes advised
Number_of_Advised_Primary_Columns	QQI2	Number of advised columns that use index scan-key positioning
Reason_Code	QQRCOD	Reason code I1 - Row selection I2 - Ordering/Grouping I3 - Row selection and Ordering/Grouping I4 - Nested loop join I5 - Row selection using bitmap processing
Unique_Refresh_Counter	QVRCNT	Unique refresh counter
Type_of_Index_Advised	QVC1F	Type of index advised. Possible values are: B - Radix index E - Encoded vector index
NLSS_Table	QQNTNM	Sort Sequence Table
NLSS_Library	QQNLNM	Sort Sequence Library

 

Parent topic:

Optional database monitor SQL view format

 

Related reference

Query optimizer index advisor