nerdexam
Microsoft

70-451 · Question #15

You are a database developer. You plan to design a database solution by using SQL Server 2008. The database will store multilingual data. The database will contain a table that has 100 million rows…

The correct answer is C. Define the columns as sparse columns. See the full explanation below for the reasoning.

Question

You are a database developer. You plan to design a database solution by using SQL Server 2008. The database will store multilingual data. The database will contain a table that has 100 million rows. The table will contain 1,000 columns that are based on the nvarchar(max) data type. For each column, only 2 percent of the rows will be populated. You need to design the table to optimize storage space. What should you do?

Options

  • AUse row compression.
  • BUse NTFS file system compression to reduce the disk space used.
  • CDefine the columns as sparse columns.
  • DChange the column data types to varchar(max).

How the community answered

(30 responses)
  • A
    3% (1)
  • B
    17% (5)
  • C
    70% (21)
  • D
    10% (3)

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