【单选题】根据一个关系满足数据依赖的程度不同,可规范化为1NF,2NF,( )范式等。
【多选题】( 2003-3-48,多选)李某患有癫痫病。一日李某骑车行走时突然犯病,将一在路边玩耍的6岁儿童撞伤,用去医疗费200元。该案责任应如何承担?
【单选题】在三面投影图中,( )投影同时反映了物体的长度
【单选题】根据一个关系满足数据依赖的程度不同,可规范化为1NF,2NF,( )范式等。
【单选题】在三面投影图中,()投影同时反映了物体的长度。
【判断题】按照皮亚杰的认知发展阶段理论,处于形式运算阶段的儿童有能力进行抽象的逻辑思维。()
【单选题】【挑战题】有些植物到了秋冬季节就要落叶,这是为了( )
【单选题】生产方式是指人们为获取物质生活资料而进行的生产活动的方式,它是
【单选题】You are the administrator of a SQL Server 2000 computer. The server contains a database that stores inventory data. Another database administrator has created a number of scheduled jobs to maintain th...
A.
Create a new DBCC SHRINKFILE job to shrink the inventory_data file. Schedule the new job to run at the same time as the DBCC SHRINKDATABASE job.
B.
Modify the DBCC SHRINKDATABASE job so that it uses DBCC SHRINKFILE statement to shrink each file individually.
C.
Increase the time between the data integrity checks and the differential backup.
D.
Increase the time between the differential backup and the DBCC SHRINKDATABASE job.