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<h1 class="topictitle1">Database monitor view 3001 - Index Used</h1>
<div><div class="example"> <pre><strong>Create View</strong> QQQ3001 as
(<strong>SELECT</strong> 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,
QQILNM as System_Index_Schema,
QQIFNM as System_Index_Name,
QQIMNM as Index_Member_Name,
QQTOTR as Table_Total_Rows,
QQREST as Estimated_Rows_Selected,
QQFKEY as Index_Probe_Keys,
QQKSEL as Index_Scan_Keys,
QQAJN as Estimated_Join_Rows,
QQEPT as Estimated_Processing_Time,
QQJNP as Join_Position,
QQI1 as DataSpace_Number,
QQC21 as Join_Method,
QQC22 as Join_Type,
QQC23 as Join_Operator,
QQI2 as Index_Advised_Probe_Count,
QQKP as Index_Probe_Used,
QQI3 as Index_Probe_Column_Count,
QQKS as Index_Scan_Used,
QQDSS as DataSpace_Selection,
QQIDXA as Index_Advised,
QQRCOD as Reason_Code,
QQIDXD as Index_Advised_Columns,
QQC11 as Constraint,
QQ1000 as Constraint_Name,
QVQTBL as Table_Name,
QVQLIB as Table_Schema,
QVPTBL as Base_Table_Name,
QVPLIB as Base_Table_Schema,
QVINAM as Index_Name,
QVILIB as Index_Schema,
QVBNDY as Bound,
QVRCNT as Unique_Refresh_Counter,
QVJFANO as Join_Fanout,
QVFILES as Join_Table_Count,
QVPARPF as Parallel_Prefetch,
QVPARPL as Parallel_Preload,
QVPARD as Parallel_Degree_Requested,
QVPARU as Parallel_Degree_Used,
QVPARRC as Parallel_Degree_Reason_Code,
QVCTIM as Estimated_Cumulative_Time,
QVc14 as Index_Only_Access,
QQc12 as Index_Fits_In_Memory,
QQC15 as Index_Type,
QVC12 as Index_Usage,
QQI4 as Index_Entries,
QQI5 as Unique_Keys,
QQI6 as Percent_Overflow,
QQI7 as Vector_Size,
QQI8 as Index_Size,
QQIA as Index_Page_Size,
QVP154 as Pool_Size,
QVP155 as Pool_Id,
QVP156 as Table_Size,
QQC16 as Skip_Sequential_Table_Scan,
QVC13 as Tertiary_Indexes_Exist,
QVC3001 as DataSpace_Selection_COlumns,
QQC14 as Derived_Column_Selection,
QVC3002 as Derived_Column_Selection_Columns,
QVC3003 as Table_Columns_For_Index_Probe,
QVC3004 as Table_Columns_For_Index_Scan,
QVC3005 as Join_Selection_Columns,
QVC3006 as Ordering_Columns,
QVC3007 as Grouping_Columns,
QQC18 as Read_Trigger,
QVP157 as UDTF_Cardinality,
QVC1281 as UDTF_Specific_Name,
QVC1282 as UDTF_Specific_Schema,
QQC13 as MQT_Replacement
<strong>FROM</strong> UserLib/DBMONTable
<strong>WHERE</strong> QQRID=3001)
</pre>
</div>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" width="100%" frame="hsides" border="1" rules="rows"><caption>Table 1. QQQ3001 - Index Used</caption><thead align="left"><tr><th align="left" valign="bottom" width="34.990439770554495%" id="d0e43">View Column Name</th>
<th align="left" valign="bottom" width="10.133843212237094%" id="d0e45">Table Column Name</th>
<th align="left" valign="bottom" width="54.875717017208416%" id="d0e47">Description</th>
</tr>
</thead>
<tbody><tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Row_ID</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQRID</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Row identification</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Time_Created</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQTIME</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Time row was created</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Join_Column</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQJFLD</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Join column (unique per job)</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Relational_Database_Name</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQRDBN</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Relational database name</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">System_Name</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQSYS</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">System name</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Job_Name</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQJOB</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Job name</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Job_User</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQUSER</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Job user</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Job_Number</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQJNUM</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Job number</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Thread_ID</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQI9</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Thread identifier</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Unique_Count</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQUCNT</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Unique count (unique per query)</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">User_Defined</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQUDEF</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">User defined column</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Unique_SubSelect_Number</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQQDTN</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Unique subselect number</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">SubSelect_Nested_Level</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQQDTL</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Subselect nested level</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Materialized_View_Subselect_Number</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQMATN</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Materialized view subselect number</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Materialized_View_Nested_Level</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQMATL</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Materialized view nested level</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Materialized_View_Union_Level</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVP15E</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Materialized view union level</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Decomposed_Subselect_Number</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVP15A</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Decomposed query subselect number, unique across all
decomposed subselects</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Total_Number_Decomposed_SubSelects</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVP15B</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Total number of decomposed subselects</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Decomposed_SubSelect_Reason_Code</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVP15C</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Decomposed query subselect reason code</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Starting_Decomposed_SubSelect</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVP15D</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Decomposed query subselect number for the first decomposed
subselect</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">System_Table_Schema</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQTLN</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Schema of table queried</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">System_Table_Name</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQTFN</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Name of table queried</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Member_Name</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQTMN</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Member name of table queried</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">System_Base_Table_Schema</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQPTLN</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Schema name of base table</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">System_Base_Table_Name</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQPTFN</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Name of base table for table queried</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Base_Member_Name</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQPTMN</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Member name of base table</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">System_Index_Schema</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQILNM</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Schema name of index used for access</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">System_Index_Name</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQIFNM</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Name of index used for access</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Index_Member_Name</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQIMNM</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Member name of index used for access</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Table_Total_Rows</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQTOTR</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Total rows in base table</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Estimated_Rows_Selected</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQREST</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Estimated number of rows selected</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Index_Probe_Keys</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQFKEY</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Columns selected through index scan-key positioning</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Index_Scan_Keys</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQKSEL</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Columns selected through index scan-key selection</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Estimated_Join_Rows</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQAJN</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Estimated number of joined rows</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Estimated_Processing_Time</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQEPT</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Estimated processing time, in seconds</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Join_Position</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQJNP</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Join position - when available</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">DataSpace_Number</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQI1</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Dataspace number </td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Join_Method</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQC21</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Join method - when available <ul><li>NL - Nested loop</li>
<li>MF - Nested loop with selection</li>
<li>HJ - Hash join</li>
</ul>
</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Join_Type</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQC22</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Join type - when available <ul><li>IN - Inner join</li>
<li>PO - Left partial outer join</li>
<li>EX - Exception join</li>
</ul>
</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Join_Operator</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQC23</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Join operator - when available <ul><li>EQ - Equal</li>
<li>NE - Not equal</li>
<li>GT - Greater than</li>
<li>GE - Greater than or equal</li>
<li>LT - Less than</li>
<li>LE - Less than or equal</li>
<li>CP - Cartesian product</li>
</ul>
</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Index_Advised_Probe_Count</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQI2</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Number of advised key columns that use index scan-key positioning</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Index_Probe_Used</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQKP</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Index scan-key positioning <ul><li>Y - Yes</li>
<li>N - No</li>
</ul>
</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Index_Probe_Column_Count</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQI3</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Number of columns that use index scan-key positioning for the index
used</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Index_Scan_Used</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQKS</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Index scan-key selection <ul><li>Y - Yes</li>
<li>N - No</li>
</ul>
</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">DataSpace_Selection</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQDSS</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Dataspace selection <ul><li>Y - Yes</li>
<li>N - No</li>
</ul>
</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Index_Advised</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQIDXA</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Index advised <ul><li>Y - Yes</li>
<li>N - No</li>
</ul>
</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Reason_Code</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQRCOD</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Reason code <ul><li>I1 - Row selection</li>
<li>I2 - Ordering/Grouping</li>
<li>I3 - Row selection and Ordering/Grouping</li>
<li>I4 - Nested loop join</li>
<li>I5 - Row selection using bitmap processing</li>
</ul>
</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Index_Advised_Columns</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQIDXD</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Columns for index advised </td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Constraint</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQC11</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Index is a constraint (Y/N)</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Constraint_Name</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQ1000</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Constraint name</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Table_Name</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVQTBL</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Queried table, long name</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Table_Schema</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVQLIB</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Schema of queried table, long name</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Base_Table_Name</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVPTBL</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Base table, long name</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Base_Table_Schema</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVPLIB</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Schema of base table, long name</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Index_Name</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVINAM</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Name of index (or constraint) used, long name</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Index_Schema</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVILIB</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Library of index used, long name</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Bound</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVBNDY</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">I/O or CPU bound. Possible values are: <ul><li>I - I/O bound</li>
<li>C - CPU bound</li>
</ul>
</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Unique_Refresh_Counter</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVRCNT</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Unique refresh counter</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Join_Fanout</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVJFANO</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Join fan out. Possible values are: <ul><li>N - Normal join situation where fanout is allowed and each matching row
of the join fanout is returned.</li>
<li>D - Distinct fanout. Join fanout is allowed however none of the join fanout
rows are returned.</li>
<li>U - Unique fanout. Join fanout is not allowed. Error situation if join
fanout occurs.</li>
</ul>
</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Join_Table_Count</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVFILES</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Number of tables joined</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Parallel_Prefetch</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVPARPF</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Parallel Prefetch (Y/N)</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Parallel_Preload</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVPARPL</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Parallel Preload (Y/N)</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Parallel_Degree_Requested</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVPARD</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Parallel degree requested</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Parallel_Degree_Used</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVPARU</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Parallel degree used</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Parallel_Degree_Reason_Code</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVPARRC</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Reason parallel processing was limited</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Estimated_Cumulative_Time</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVCTIM</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Estimated cumulative time, in seconds</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Index_Only_Access</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVC14</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Index only access (Y/N)</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Index_Fits_In_Memory</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQC12</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Index fits in memory (Y/N)</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Index_Type</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQC15</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Type of Index. Possible values are: <ul><li>B - Binary Radix Index</li>
<li>C - Constraint (Binary Radix)</li>
<li>E - Encoded Vector Index (EVI)</li>
<li>X - Query created temporary index</li>
</ul>
</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Index_Usage</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVC12</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Index Usage. Possible values are: <ul><li>P - Primary Index </li>
<li>T - Tertiary (AND/OR) Index</li>
</ul>
</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Index_Entries</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQI4</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Number of index entries</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Unique_Keys</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQI5</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Number of unique key values</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Percent_Overflow</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQI6</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Percent overflow</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Vector_Size</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQI7</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Vector size</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Index_Size</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQI8</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Index size</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Index_Page_Size</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQIA </td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Index page size</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Pool_Size</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVP154</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Pool size</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Pool_Id</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVP155</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Pool id </td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Table_Size</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVP156</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Table size</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Skip_Sequential_Table_Scan</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQC16</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Skip sequential table scan (Y/N)</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Tertiary_Indexes_Exist</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVC13</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Tertiary indexes exist (Y/N)</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">DataSpace_Selection_Columns</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVC3001</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Columns used for dataspace selection</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Derived_Column_Selection</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQC14</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Derived column selection (Y/N)</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Derived_Column_Selection_Columns</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVC3002</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Columns used for derived column selection</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Table_Column_For_Index_Probe</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVC3003</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Columns used for index scan-key positioning</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Table_Column_For_Index_Scan</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVC3004</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Columns used for index scan-key selection</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Join_Selection_Columns</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVC3005</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Columns used for Join selection </td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Ordering_Columns</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVC3006</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Columns used for Ordering</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Grouping_Columns</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVC3007</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Columns used for Grouping</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">Read_Trigger</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQC18</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Read Trigger (Y/N)</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">UDTF_Cardinality</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVP157</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">User-defined table function Cardinality</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">UDTF_Specific_Name</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVC1281</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">User-defined table function specific name</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">UDTF_Specific_Schema</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QVC1282</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">User-defined table function specific schema</td>
</tr>
<tr><td valign="top" width="34.990439770554495%" headers="d0e43 ">MQT_Replacement</td>
<td valign="top" width="10.133843212237094%" headers="d0e45 ">QQC13</td>
<td valign="top" width="54.875717017208416%" headers="d0e47 ">Materialized Query Table replaced queried table (Y/N) </td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="lofdds.htm" title="The following examples show the different optional SQL view format that you can create with the SQL shown. The column descriptions are explained in the tables following each example. These views are not shipped with the server, and you must create them, if you choose to do so. These views are optional and are not required for analyzing monitor data.">Optional database monitor SQL view format</a></div>
</div>
</div>
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