石油中含氮化合物可分为()和()两大类。 碱性含氮化合物主要是吡咯、吲哚、咔唑的同系物及酰胺等。 原油中含有具有重要意义的(),它是石油有机成因的重要生物标志物。
查看答案
纳税人提供建筑业劳务的,应当向其机构所在地的主管税务机关申报缴纳营业税。( )
A. 正确
B. 错误
You work as a database administrator at Certkiller .com. Your production database uses an Automatic Storage Management (ASM) instance to manage its files. You want to add a new disk group to the ASM instance to manage the increased data load. What action would you perform to include the new disk group in the ASM instance without causing any impact on the currently connected users?()
A. mount the new disk group in the ASM instance
B. restart the ASM instance and the production database instance
C. register the new disk groups in the production database instance
D. restart the ASM instance without restarting the production database instance
E. include the new disk group in the ASM_DISKSTRING parameter in the parameter file and restart the ASM instance