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IBM C1000-085 Exam - Topic 7 Question 4 Discussion

Actual exam question for IBM's C1000-085 exam
Question #: 4
Topic #: 7
[All C1000-085 Questions]

Consider a scenario where a customer has a FACT_SALES table with a column zip_code with data type char(5| They frequently restrict on this column, but the query is very inefficient.

What is the correct way to optimize this query without modifying the column?

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Suggested Answer: C

by Laurel at May 08, 2022, 04:43 PM

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Bong
4 months ago
Just a heads up, integer zip codes might not always be valid!
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Bobbye
4 months ago
Wait, can you really optimize without changing the column?
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Lauran
4 months ago
Option C sounds interesting, but does it really help?
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Charlena
4 months ago
Not sure about that, I’d go with option B instead.
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Gianna
5 months ago
I think option D is the best choice here.
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Tommy
5 months ago
I feel like using a view might be a good option, but I wonder if it would still be slow since the underlying data type remains char.
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Judy
5 months ago
I practiced a similar question where creating a view was suggested, but I'm uncertain if typecasting to integer would really improve performance here.
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Alaine
5 months ago
I think altering the table to organize on zip_code could help, but I can't recall if that requires changing the column type.
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Herschel
5 months ago
I remember something about optimizing queries, but I'm not sure if creating a copy of the table is the best approach.
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Tony
5 months ago
I'm feeling pretty confident about this one. The Auto Deployment feature could potentially make the indexes unreachable, so I'm going to go with C.
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Natalie
5 months ago
I'm a bit unsure about this one. Is it the 15-digit contact ID or the 18-digit contact ID? I'll need to double-check the details on that.
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Susana
5 months ago
Hmm, I'm a bit unsure about this one. I know SOAP messages have an envelope, but I can't quite remember if the header and body are required or just common parts. I'll have to think this through carefully.
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