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Employers pay high salaries to IT managers because ______.(A) they work hard(B) they are excellent leaders(C) they help improve the companies’ products(D) they are key factors to their success
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Dell quit dealing in () versions of other companies' products, and started designing, assembling and marketing his own.A、souped-upB、mockeryC、obligationD、restrained
Though Japan is a small country, it provides the world market with (various) products. 选择能代替括号里的选项A、separatingB、variableC、diverseD、valueless
A tariff is a tax charged on___products.A.domesticB.foreignC.importedD.exported
The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema.Which two statements are true regarding the outcome of this action?()A. All the related indexes and views are automatically droppedB. The flashback drop feature can recover only the table structureC. Only the related indexes are dropped whereas views are invalidatedD. The flashback drop feature can recover both the table structure and its data
The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema.Which two statements are true regarding the outcome of this action? ()(Choose two)A. All the related indexes and views are automatically droppedB. The flashback drop feature can recover only the table structureC. Only the related indexes are dropped whereas views are invalidatedD. The flashback drop feature can recover both the table structure and its data
YouareemployedasaWebApplicationDeveloperatCertkiller.com.YoumakeuseofMicrosoft.NETFrameworkv3.5tocreateanASP.NETapplication.Youcreateaclassintheapplicationthatcontainsthecodebelow.（Thelinenumbersisincludedforreferencepurposes）01publicobjectGetCachedProducts（sqlConnectionconn）{0203if（Cache["products"]==null）{04SqlCommandcmd=newSqlCommand（"SELECT*FROMProducts"，conn）；05conn.Open（）；06Cache.Insert（"products"，GetData（cmd））；07conn.Close（）；08}09returnCache["products"]；10}1112publicobjectGetData（SqlCommandprodCmd）{1314}YounoticethattheGetCachedProductsmethodiscalledtoprovidethislistfromtheCacheobjecteverytimeaWebformhastoaccessalistofproducts.ToensureproductivitymanagementwantsyoutomakesurethatthereisalwaysalistofproductsavailableintheCacheobject.Youthusneedtodeterminetheappropriatecodethatshouldbeaddedinline13.Whatshouldyouidentify？（）
