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Exam MCD - Level 1 All Questions

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Exam MCD - Level 1 topic 1 question 47 discussion

Actual exam question from Mulesoft's MCD - Level 1
Question #: 47
Topic #: 1
[All MCD - Level 1 Questions]

What does the minus operator do in DataWeave?

  • A. Decrements the value by one.
  • B. Removes items from a list.
  • C. Increments the value by one.
  • D. Removes characters from a string.
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Suggested Answer: B 🗳️
by ck0241 at July 15, 2021, 6:03 p.m.

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abhhiiiiiii
3 months, 2 weeks ago
hello the letter B is a change in perspective of fellow harry potter enthusiats aka SIRUS my best mate
upvoted 1 times
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Kokulan1763
5 months ago
If we apply to array. it will remove element. EX: [1,2,3] - 2 ==> o/p ==>[1,3] If we apply to number, it will decrease by 1. EX: 5-1 ==> o/p ==> 4
upvoted 2 times
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Esquerdo
5 months, 3 weeks ago
Selected Answer: B
removes an iten from an array https://docs.mulesoft.com/dataweave/2.4/dw-operators
upvoted 2 times
ilya_tsy
4 months, 3 weeks ago
page does not exist
upvoted 2 times
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Ella_Z
1 year, 4 months ago
Looks A&B are correct, but maybe "by one" leads to incorrect? I am not sure. https://docs.mulesoft.com/mule-runtime/4.3/dw-operators 1. For subtraction. 2. Removes a specified element of any supported type from an array.
upvoted 1 times
Sephyre1988
8 months ago
if I'm not mistaken "- -" will decrease a number value not a single "-"
upvoted 2 times
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edilberto1
1 year, 6 months ago
It is in the reference guide at https://docs.mulesoft.com/mule-runtime/4.3/dw-operators Prepend, Append, and Remove Operators for Arrays section, it isn't used as an arithmetic operator into this scope.
upvoted 1 times
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ck0241
1 year, 6 months ago
Why is it removes item from list? It could also be decrements by right?
upvoted 1 times
edilberto1
1 year, 6 months ago
Otherwise response must said that it subtract from other value
upvoted 1 times
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