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Qlik Exam QSDA2022 Topic 3 Question 25 Discussion

Actual exam question for Qlik's QSDA2022 exam
Question #: 25
Topic #: 3
[All QSDA2022 Questions]

Refer to the exhibit.

Which changes on the database will the script capture?

Show Suggested Answer Hide Answer
Suggested Answer: A

This syntax will set all null values to 'Missing Value' in the data sources. The other options are not valid syntax and will not achieve the desired result.


by Phung at May 24, 2024, 12:00 AM

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Francine
1 years ago
Why not just use a giant 'REPLACE(NULL, 'Missing Value')' statement? It's more flexible and you don't have to worry about the syntax. *winks*
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Ryan
1 years ago
Hmm, I'm not sure. Maybe B? The syntax looks cleaner and more straightforward than the other options.
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Glory
12 months ago
Yeah, B looks like the right choice for handling null values.
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Golda
1 years ago
I agree, B seems like the most straightforward option.
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Jody
1 years ago
I think B is the correct syntax. It looks cleaner.
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Gracia
1 years ago
I'm going with C. The 'NullasNull *' syntax is correct, and 'Set NullValue = 'Missing Value'' is the right way to set the null values.
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Graciela
1 years ago
D looks good to me. The 'NullAsValue*' syntax ensures that null values are treated as a specific value, and 'Set NullValue = 'Missing Value'' sets that value to 'Missing Value'.
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Patrick
11 months ago
Yes, D looks good. It sets null values to 'Missing Value'.
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Raina
12 months ago
I think D is the correct syntax.
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Nicolette
12 months ago
Yes, option D is the best choice for setting null values to 'Missing Value'.
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Nicolette
12 months ago
I agree, option D seems to be the correct syntax for handling null values.
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James
1 years ago
I agree, NullAsValue* and Set NullValue = 'Missing Value' make sense.
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Oren
1 years ago
I think D is the correct syntax.
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Allene
1 years ago
I think B is the correct answer. The syntax 'NullasNull *' is used to treat null values as null, and then 'Set NullValues = 'Missing Value'' sets all null values to 'Missing Value'.
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Lashonda
1 years ago
Great, looks like we all understand the syntax now.
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Fabiola
1 years ago
I agree, it's a good practice for data integrity.
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Johnna
1 years ago
Definitely, setting them all to 'Missing Value' ensures consistency.
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Lashonda
1 years ago
Yes, 'NullasNull *' treats null values as null, and then 'Set NullValues = 'Missing Value'' sets all null values to 'Missing Value'.
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Margurite
1 years ago
That makes sense, it's important to handle null values properly.
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Dorthy
1 years ago
Then 'Set NullValues = 'Missing Value'' sets them to 'Missing Value'.
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Lashawnda
1 years ago
I think B is the correct answer.
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Maira
1 years ago
Yes, 'NullasNull *' treats null values as null.
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Sherill
1 years ago
I think B is the correct answer.
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