我在我的SQL Server上运行了一个应用程序,它开始减慢特定任务的速度.我运行SQL事件探查器并注意到以下查询占用了大量(1-2分钟)的时间. 我无权访问代码来更改查询.
我可以在数据库中调整/更改任何内容吗？下面的声明中的PC10000表有大约.119000条记录.我还附上了执行计划.
SELECT TOP 25
zProjectID, zTaskID, zTransactionNumber, zTransactionDate, zUserID,
zCostCategoryDDL, zCostCategoryString, zSubCostCategory, zSubCostCategoryString,
zDepartmentID, zJournalEntry, zPostingDate, zSalesPostingDate, zPeriodNumber,
zTransactionDescription, zBillingDescriptionLine1, zBillingDescriptionLine2,
zBillingDescriptionLine3, zBillingDescriptionLine4, zSalesAccountIndex,
zSalesAccountString, zDistDocumentTypeDDL, zDistDocumentNumber, zDistSequenceNumber,
zSalesDocumentTypeDDL, zSalesDocumentNumber, zSalesLineNumber, zDistHistoryYear,
zSeriesDDL, zSourceDoc, zWebSource, zOrigDocumentNumber, zOrigDocumentDate,
zOrigID, zOrigName, zExpenseStatusDDL, zApprovalUserIDCost, zAccountIndex,
zAccountNumberString, zBillingStatusDDL, zApprovalUserIDBilling, zBillingWorkQty,
zBillingWorkAmt, zQty, zQtyBilled, zUnitCost,
zUnitPrice, zRevenueAmt, zOriginatingRevenueAmt, zCostAmtEntered, zCostAmt,
zOriginatingCostAmt, zPayGroupID, zPayrollStatusDDL, zTotalTimeStatusDDL,
zEmployeeID, zHoursEntered, zHoursPaid, zPayRecord, zItemID, zItemDescription,
zUofM, zItemQty, zBurdenStatusDDL, zUserDefinedDate, zUserDefinedDate2,
zUserDefinedString, zUserDefinedString2, zUserDefinedCurrency,
zUserDefinedCurrency2, zNoteIndex, zImportType, DEX_ROW_ID …