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Question

How is a bitmap index constructed for a column with distinct values?

a.

Each entry in the bitmap contains one bit for each distinct value, and the bit is set to 1 if the value is present

b.

Each entry in the bitmap contains one byte for each distinct value, and the byte is set to the ASCII code of the value

c.

Each entry in the bitmap contains one character for each distinct value, and the character represents the value

d.

Each entry in the bitmap contains one integer for each distinct value, and the integer is set to 0 if the value is present

Answer: (a).Each entry in the bitmap contains one bit for each distinct value, and the bit is set to 1 if the value is present Explanation:Each entry in a bitmap contains one bit for each distinct value, and the bit is set to 1 if the value is present.

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Q. How is a bitmap index constructed for a column with distinct values?

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