多做题,通过考试没问题!

Oracle认证考试

睦霖题库>其他计算机考试>Oracle认证考试

Which two statements correctly describe the relation between a data file and the logical database structures()

  • A、An extent cannot spread across data files.
  • B、A segment cannot spread across data files.
  • C、A data file can belong to only one tablespace.
  • D、A data file can have only one segment created in it.
  • E、A data block can spread across multiple data files as it can consist of multiple operating system (OS)blocks
正确答案:A,C
答案解析:
进入题库查看解析

微信扫一扫手机做题