【简答题】针对不同数据库系统的实际情况,SQL Server 2012提出了4种数据库备份类型,它们是: 全库备份 、 日志备份 差异备份及 。
【判断题】JDBC驱动程序提供到多种关系数据库统一的访问接口,JDBC API则针对于不同的数据库而不同。
【单选题】(单选)以下对楼板层的描述正确的( )。
B.
楼板层与楼地层在承重上有所区分,楼板层只需承受自身荷载
【单选题】针对不同的数据库,ADO.NET提供多套类库来创建连接和操作数据。针对SQL Server2008的是:
【单选题】下列选项中,对“终于揽到了一个活儿”的“揽到”的近义词是( )
【单选题】Small business will need to____costs in order to survire.
【单选题】From this article it is evident that ______.
A.
small business will continue to be heavily taxed.
B.
in England, personal income tax will rise to a top rate of 40%.
C.
many large companies can still avoid paying high taxes.
D.
globalization is making tax-collection easier.
【单选题】The GMDSS defines four sea areas based on the
A.
location and capacity of the facilities located on board ships
B.
position and capacity of mobile communication stations
C.
capacity and limitation of shore-based communication facilities
D.
areas in which the ship operates
【单选题】Small business will need to costs in order to survive.
【单选题】在开发数据库应用系统的过程中,针对不同的应用目的,需要使用不同的数据模型。这样的数据模型一般有: