下列属于美国电子商务立法的有（） ["《数字签名法案》","《统一电子交易法》","《国际与跨州电子签名法》","《信息与通讯服务法》"]
You observe that the senior database administrator always uses the following command when connecting to Recovery Manager （RMAN）， and then starts executing commands to backup the database files： % rman target / What would be the effect of this command？（） [" RMAN would use the current operating system location to place the backup."," RMAN would use the control file of the target database to maintain the backup."," RMAN would use the recovery catalog of the target database to maintain the backup."," RMAN would use the control file of the target database to maintain the backup metadata."," RMAN would use the recovery catalog of the target database to maintain the backup metadata."]
雷击：雷云对大地及地面物体的（）现象。 ["吸电","放电","触电"]
Examine the contents of SQL loader control file: Which three statements are true regarding the SQL* Loader operation performed using the control file?（） [" An EMP table is created if a table does not exist. Otherwise, if the EMP table is appended with the loaded data."," The SQL* Loader data file myfile1.dat has the column names for the EMP table."," The SQL* Loader operation fails because no record terminators are specified."," Field names should be the first line in the both the SQL* Loader data files."," The SQL* Loader operation assumes that the file must be a stream record format file with the normal carriage return string as the record terminator."]
按钮组件和编辑框组件能够响应的事件有些是相同的。
简要叙述资产评估的公开市场原则。
