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查詢已取消，因為此查詢的預估成本超過了設定的臨界值。請連絡系統管理員

Microsoft.SQLServer.2008.The_query_has_been_canceled_because_the_estimated_cost_of_this_query_exceeds_the_configured_threshold._Contact_the_system_administrator_1_5_Rule (Rule)

Knowledge Base article:

摘要

query governor cost limit option is lower than the cost the SQL Server optimizer estimated for the specified query.根據預設，[查詢管理員成本限制] 選項設定為 0，即允許執行所有查詢。但是，在此 SQL Server 執行個體上已將該選項設定為大於 0 的數值作為上限。預計成本大於此值的查詢計畫將無法啟動。

如需詳細資訊，請參閱《線上叢書》中的＜查詢管理員成本限制選項＞、＜如何設定查詢管理員成本限制選項 (Enterprise Manager)＞及＜查詢微調建議＞。

解決方式

下列任何一個動作均可防止查詢出現此訊息：

Element properties:

TargetMicrosoft.SQLServer.2008.DBEngine
CategoryEventCollection
EnabledTrue
Event_ID8649
Event Source$Target/Property[Type="SQL!Microsoft.SQLServer.DBEngine"]/ServiceName$
Alert GenerateTrue
Alert SeverityWarning
Alert PriorityNormal
RemotableTrue
Alert Message
查詢已取消，因為此查詢的預估成本超過了設定的臨界值。請連絡系統管理員
{0}
Event LogApplication
CommentMom2008ID='{74138FB8-4CBA-480B-82D1-C5456A38AA4A}';MOM2008GroupID={467ECC75-C5DA-42BD-955C-A73BBB51AF74}

Member Modules:

ID Module Type TypeId RunAs 
_F6DA1507_12AF_11D3_AB21_00A0C98620CE_ DataSource Microsoft.Windows.EventProvider Microsoft.SQLServer.SQLDefaultAccount
GenerateAlert WriteAction System.Health.GenerateAlert Default

Source Code:

<Rule ID="Microsoft.SQLServer.2008.The_query_has_been_canceled_because_the_estimated_cost_of_this_query_exceeds_the_configured_threshold._Contact_the_system_administrator_1_5_Rule" Target="SQL2008Core!Microsoft.SQLServer.2008.DBEngine" Enabled="true" ConfirmDelivery="true" Remotable="true" Comment="Mom2008ID='{74138FB8-4CBA-480B-82D1-C5456A38AA4A}';MOM2008GroupID={467ECC75-C5DA-42BD-955C-A73BBB51AF74}">

  <Category>EventCollection</Category>

  <DataSources>

    <DataSource ID="_F6DA1507_12AF_11D3_AB21_00A0C98620CE_" Comment="{F6DA1507-12AF-11D3-AB21-00A0C98620CE}" TypeID="Windows!Microsoft.Windows.EventProvider" RunAs="SQL!Microsoft.SQLServer.SQLDefaultAccount">

      <ComputerName>$Target/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>

      <LogName>Application</LogName>

      <Expression>

        <And>

          <Expression>

            <SimpleExpression>

              <ValueExpression>

                <XPathQuery>PublisherName</XPathQuery>

              </ValueExpression>

              <Operator>Equal</Operator>

              <ValueExpression>

                <Value>$Target/Property[Type="SQL!Microsoft.SQLServer.DBEngine"]/ServiceName$</Value>

              </ValueExpression>

            </SimpleExpression>

          </Expression>

          <Expression>

            <SimpleExpression>

              <ValueExpression>

                <XPathQuery>EventDisplayNumber</XPathQuery>

              </ValueExpression>

              <Operator>Equal</Operator>

              <ValueExpression>

                <Value>8649</Value>

              </ValueExpression>

            </SimpleExpression>

          </Expression>

        </And>

      </Expression>

    </DataSource>

  </DataSources>

  <WriteActions>

    <WriteAction ID="GenerateAlert" TypeID="SystemHealth!System.Health.GenerateAlert">

      <Priority>1</Priority>

      <Severity>1</Severity>

      <AlertMessageId>$MPElement[Name="Microsoft.SQLServer.2008.The_query_has_been_canceled_because_the_estimated_cost_of_this_query_exceeds_the_configured_threshold._Contact_the_system_administrator_1_5_Rule.AlertMessage"]$</AlertMessageId>

      <AlertParameters>

        <AlertParameter1>$Data/EventDescription$</AlertParameter1>

      </AlertParameters>

      <Suppression>

        <SuppressionValue/>

      </Suppression>

    </WriteAction>

  </WriteActions>

</Rule>