What is the result of executing a TRUNCATE TABLE command on a table that has Flashback Archivingenabled?（）
1、Petroleum is a result of the（）of plant
Petroleum is a result of the（）of plant or animal matter in areas which are slowly subsiding.AdepressionBdescriptionCdestructionDdepositio
2、If the result of loading a vessel is a
If the result of loading a vessel is an increase in the height of the center of gravity,there will always be an increase in the（）.Ametacentric heightBrighting armCrighting momentDvertical moment
3、What is the subnetwork number of a hos
What is the subnetwork number of a host with an IP address of 172.16.210.0/22?（）A 172.16.42.0B 172.16.107.0C 172.16.208.0D 172.16.252.0E 172.16.254.0
4、What is the primary disadvantage of a
What is the primary disadvantage of a permanent chain chaser system?（）AIt requires anchor handling boats with more horsepowerBChain chasers work...
5、What is a function of the wearing ring
What is a function of the wearing rings used in most centrifugal pumps?（）AAbsorb erosion of high velocity discharge streamBSeal pump shaft against entry of airCIsolate the discharge side from the suction sideDDampen the turbulent discharge flow
6、What is the definition of a path?
What is the definition of a path?AA sequence of vertices and the edges formed by each successive pair of vertices.BA walk with distinct vertices.CA walk with distinct edges.DNone of the above