【单选题】下列事项中,C公司必须纳入A公司合并范围的情况是()。
A.
A公司拥有B公司40%的权益性资本,B公司拥有C公司60%的权益性资本
C.
A公司拥有B公司48%的权益性资本,B公司拥有C公司40%的权益性资本
D.
A公司拥有B公司60%的权益性资本,B公司拥有C公司40%的权益性资本同时A公司拥有C公司20%的权益性资本
【简答题】Suppose users share a 2 Mbps link. Also suppose each user transmits continuously at 1 Mbps when transmitting, but each user transmits only 20 percent of the time. (See the discussion of statistical mu...
【单选题】The database administrator of your company created a public synonym called HR for the HUMAN_RESOURCES table of the GENERAL schema, because many users frequently use this table. As a user of the databa...
A.
You obtain the results retrieved from the public synonym HR created by the database administrator.
B.
You obtain the results retrieved from the HR table that belongs to your schema.
C.
You get an error message because you cannot retrieve from a table that has the same name as a public synonym.
D.
You obtain the results retrieved from both the public synonym HR and the HR table that belongs to your schema, as a Cartesian product.
E.
You obtain the results retrieved from both the public synonym HR and the HR table that belongs to your schema, as a FULL JOIN.
【简答题】Suppose users share a 2 Mbps link. Also suppose each user transmits continuosly at 1 Mbps when transmitting, but each user transmits only 20 percent of the time. (See the discussion of statistical mul...
【单选题】Many users of this brand of mobile phones are known for __________________ their devices, to the point that they even give them various nicknames.