Youworkforacompanythatsellsbooks.YouarecreatingareportforaSQLServer2005database.Thereportwilllistsalesrepresentativesandtheirtotalsalesforthecurrentmonth.Thereportmustincludeonlythosesalesrepresentativeswhomettheirsalesquotaforthecurrentmonth.Themonthlysalesquotais$2，000.Thedateparametersarepassedinvariablesnamed@FromDateand@ToDate.Youneedtocreatethereportsothatitmeetstheserequirements.WhichSQLqueryshouldyouuse？（）A.SELECTs.AgentName,SUM（ISNULL（o.OrderTotal，0.00））ASSumOrderTotalFROM SalesAgentsJOINOrderHeaderoONs.AgentID=o.AgentIDWHEREo.OrderDateBETWEEN@FromDateAND@ToDateGROUPBYs.AgentNameB.SELECTs.AgentName，SUM（ISNULL（o.OrderTotal，0.00））ASSumOrderTotalFROMSalesAgentsJOINOrderHeaderoONs.AgentID=o.AgentIDWHEREo.OrderDateBETWEEN@FromDateAND@ToDateANDo.OrderTotal=2000GROUPBYs.AgentNameC.SELECTs.AgentName，SUM（ISNULL（o.OrderTotal，0.00））ASSumOrderTotalFROMSalesAgentsJOINOrderHeaderoONs.AgentID=o.AgentIDWHEREo.OrderDateBETWEEN@FromDate AND@ToDateGROUPBYs.AgentNameHAVINGSUM（o.OrderTotal）=2000D.SELECTs.AgentName，SUM（ISNULL（o.OrderTotal，0.00））ASSumOrderTotalFROMSalesAgentsJOINOrderHeaderoONs.AgentID=o.AgentIDWHEREo.ordertotal=2000ANDo.OrderDateBETWEEN@FromDateAND@ToDateGROUPBYs.AgentNameHAVINGSUM（o.OrderTotal）=2000
Youworkforacompanythatsellsbooks.YouarecreatingareportforaSQLServer2005database.Thereportwilllistsalesrepresentativesandtheirtotalsalesforthecurrentmonth.Thereportmustincludeonlythosesalesrepresentativeswhomettheirsalesquotaforthecurrentmonth.Themonthlysalesquotais$2，000.Thedateparametersarepassedinvariablesnamed@FromDateand@ToDate.Youneedtocreatethereportsothatitmeetstheserequirements.WhichSQLqueryshouldyouuse？（）
A.SELECTs.AgentName,SUM（ISNULL（o.OrderTotal，0.00））ASSumOrderTotalFROM SalesAgentsJOINOrderHeaderoONs.AgentID=o.AgentIDWHEREo.OrderDateBETWEEN@FromDateAND@ToDateGROUPBYs.AgentName
B.SELECTs.AgentName，SUM（ISNULL（o.OrderTotal，0.00））ASSumOrderTotalFROMSalesAgentsJOINOrderHeaderoONs.AgentID=o.AgentIDWHEREo.OrderDateBETWEEN@FromDateAND@ToDateANDo.OrderTotal>=2000GROUPBYs.AgentName
C.SELECTs.AgentName，SUM（ISNULL（o.OrderTotal，0.00））ASSumOrderTotalFROMSalesAgentsJOINOrderHeaderoONs.AgentID=o.AgentIDWHEREo.OrderDateBETWEEN@FromDate AND@ToDateGROUPBYs.AgentNameHAVINGSUM（o.OrderTotal）>=2000
D.SELECTs.AgentName，SUM（ISNULL（o.OrderTotal，0.00））ASSumOrderTotalFROMSalesAgentsJOINOrderHeaderoONs.AgentID=o.AgentIDWHEREo.ordertotal=2000ANDo.OrderDateBETWEEN@FromDateAND@ToDateGROUPBYs.AgentNameHAVINGSUM（o.OrderTotal）>=2000