Evaluate the following SQL statement: SELECT ROUND (TRUNC (MOD (1600, 10),-1), 2) FROM dual; What will be displayed?

  1. 100

  2. 0

  3. 1

  4. 10


Correct Option: B
Explanation:

To understand the given SQL statement, the user must know the following functions:

  1. MOD - returns the remainder of a division operation
  2. TRUNC - truncates a number to a specified number of decimal places
  3. ROUND - rounds a number to a specified number of decimal places

Now let's break down the SQL statement:

  • The MOD function calculates the remainder of 1600 divided by 10, which is 0.
  • The TRUNC function truncates 0 to -1 decimal places, which is still 0.
  • Finally, the ROUND function rounds 0 to 2 decimal places, which is still 0.

Therefore, the answer is option B: 0.

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