多項選擇題

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

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.

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單項選擇題

ote the following structures in your database server：
1：Extents
2：OS Blocks
3：Tablespace
4：Segments
5：Oracle Data Block
Which option has the correct arrangement of these structures from the smallest to the largest（）

A.2， 5， 1， 4， 3
B.1， 2， 3， 4， 5
C.5， 2， 1， 3， 4
D.2， 1， 5， 4， 3

單項選擇題

Identify the logical structure that will never have more than one data segment created for it.（）

A.external table
B.partitioned table
C.partitioned index
D.nonclustered table
E.global temporary table

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

你可能感興趣的試題

ote the following structures in your database server： 1：Extents 2：OS Blocks 3：Tablespace 4：Segments 5：Oracle Data Block Which option has the correct arrangement of these structures from the smallest to the largest（）

Identify the logical structure that will never have more than one data segment created for it.（）

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ote the following structures in your database server：
1：Extents
2：OS Blocks
3：Tablespace
4：Segments
5：Oracle Data Block
Which option has the correct arrangement of these structures from the smallest to the largest（）