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What is a range query with a start and end key?
Suggested Answer: A
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In Hyperledger Fabric, a range query with a start and end key is a type of query that searches for all ledger entries whose keys fall within the specified range defined by the startKey and endKey. This is used, for example, to retrieve a subset of assets from the ledger based on their key values, effectively iterating over a specified range .
25 comments · newest first
HO
Hortencia
11 months ago
I thought range queries were more complex than that!
SE
Serina
11 months ago
I think option C is misleading, it's not just about ledger entries.
RA
Raylene
12 months ago
Wait, isn't that just a fancy way of saying "between"?
LO
Loise
12 months ago
Totally agree, option A is spot on!
GL
Glendora
1 year ago
It's basically looking for keys between two points.
CR
Cristal
1 year ago
I’m a bit confused; I thought a range query was more about specific entries, like in option C, but now I’m not so sure.
SH
Shaun
1 year ago
I practiced a similar question where we had to identify queries based on key ranges. I feel like option A fits best with what I learned.
TA
Tamra
1 year ago
I'm not entirely sure, but I remember something about composite keys and searching for values after a certain point. That makes me think of option B.
BE
Belen
1 year ago
I think a range query is about finding all keys between two specified points, so I might go with option A.
OT
Otis
1 year ago
This is a good test of my understanding of database queries. I'll eliminate the options that don't mention a range, and then choose the one that best fits the description.
JE
Jennifer
1 year ago
I'm a little confused by the wording of the question. Is it asking about the definition of a range query, or how to actually perform one? I'll have to read it over again.
AL
Aliza
1 year ago
Okay, the key is to focus on the "start and end key" part of the question. That's the defining characteristic of a range query, so I'll go with option A.
RO
Rosendo
1 year ago
Hmm, I'm a bit unsure about the difference between a range query and a composite key query. Let me think this through carefully.
JE
Jerry
1 year ago
This looks like a straightforward question about range queries. I'm pretty confident I can answer this correctly.
RE
Reita
1 year ago
Hmm, this seems like a tricky one. I'll need to think carefully about the different network options and which one would be most appropriate for a File Analytics deployment.
CI
Ciara
1 year ago
I'm a little confused by the wording of the question. Does "covered by the term 'coupling'" mean we're looking for the definition of coupling, or just examples of it? I want to make sure I understand what they're asking for.
JU
Justine
1 year ago
Ah, I see. Translating the normalization to SQL for BigQuery seems like the most straightforward approach to minimize computation time and manual intervention. I'm leaning towards that as the best solution.
CL
Clarence
2 years ago
I think option D is incorrect. It doesn't really make sense in the context of a range query.
DE
Delbert
2 years ago
That could be a possibility too, It depends on how the query is structured.
FA
Fausto
2 years ago
But could it also be option C? Searching for ledger entries within a specific range?
EL
Eleni
3 years ago
I agree with option A sounds correct.
DE
Delbert
3 years ago
I think a range query with a start and end key searches for keys within that range.
FR
Francoise
3 years ago
C) A query that searches for ledger entries that have values matching the range.
BE
Bettyann
3 years ago
A) A query that searches for all keys that are in the range defined by the start and end keys.
KR
Kristofer
3 years ago
What is a range query with a start and end key?