Multiple choice technology databases

Maximum number of columns allowed inside an index

  1. 12

  2. 256

  3. 128

  4. 32
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Oracle indexes can include up to 32 columns. This is a hard limit in Oracle database architecture. The other options (12, 256, 128) are incorrect - 12 is too low for complex indexing needs while 256 and 128 exceed the actual limit.

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