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Google Fusion Tables是哪种可视化工具()?
A.信息图表
B.地图工具
C.时间线工具
D.分析工具
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.信息图表
B.地图工具
C.时间线工具
D.分析工具
"To turn the tables" means ______.
A.to move the tables
B.to carry the tables away
C.to gain courage
D.to gain an advantage after having been at a disadvantage
A、expdp scott/tiger DUMPFILE=scott.dmp DIRECTORY=dmpdir SCHEMAS=SYS
B、expdp system/manager DIRECTORY=dpdata1 DUMPFILE=full.dmp TABLESPACES=all
C、expdp system/manager DIRECTORY=dpdata1 DUMPFILE=full.dmp FULL=y
D、expdp scott/tiger directory=dpdata1 dumpfile=expdp.dmp Tables=all
Scala中定义valarr:Array[String]=Array("baidu","google","biying"),那么arr.length返回值为______。