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What Snowflake system functions are used to view and or monitor the clustering metadata for a table? (Select TWO).
Suggested Answer: C
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Effective pruning in Snowflake relies on the organization of data within micro-partitions. By using an ORDER BY clause with clustering keys when loading data into the reporting tables, Snowflake can better organize the data within micro-partitions. This organization allows Snowflake to skip over irrelevant micro-partitions during a query, thus improving query performance and reducing the amount of data scanned12.
* Snowflake Documentation on micro-partitions and data clustering2
* Community article on recognizing unsatisfactory pruning and improving it1
31 comments · newest first
PE
Percy
11 months ago
I thought SYSTEMSCLUSTERING_RATIO was a valid option too!
FA
Fabiola
11 months ago
Pretty sure it's A and C, but I could be wrong.
OR
Orville
11 months ago
Wait, is SYSTEMSTABLE_CLUSTERING even a thing?
FA
Fairy
11 months ago
I agree, A and E sound right!
RY
Ryan
11 months ago
I think it's A and E for sure.
CL
Clare
12 months ago
I’m pretty confident that SYSTEMSCLUSTERING is correct, but I’m torn between SYSTEMSCLUSTERING_RATIO and SYSTEMSCLUSTERING_DEPTH for the second choice.
ED
Edwin
12 months ago
I feel like SYSTEMSCLUSTERING_INFORMATION could be one of the answers, but I can't recall the exact context.
AN
Annice
12 months ago
I remember practicing a question about clustering metadata, and I think SYSTEMSCLUSTERING_DEPTH was mentioned as well.
BE
Benedict
1 year ago
I think the functions related to clustering are SYSTEMSCLUSTERING and SYSTEMSCLUSTERING_RATIO, but I'm not entirely sure about the second one.
OL
Olen
1 year ago
This is a good one. I know the SYSTEMSCLUSTERING and SYSTEMSCLUSTERING_DEPTH functions are used to view clustering information, so I'll go with those.
DE
Delsie
1 year ago
I'm a little confused by the options here. I'm not super familiar with the Snowflake system functions, so I'll have to think this through carefully to make sure I select the right two.
EA
Earleen
1 year ago
Okay, I think I've got this. Based on the question, the two functions I'd select are SYSTEMSTABLE_CLUSTERING and SYSTEMSCLUSTERING_RATIO. Those sound like they'd give me the information I need to view and monitor the clustering metadata.
NI
Nichelle
1 year ago
Hmm, I'm a bit unsure about this one. I know Snowflake has some functions for monitoring table metadata, but I'm not sure which ones specifically deal with clustering.
AR
Arminda
1 year ago
This looks like a straightforward question about Snowflake system functions. I'll start by reviewing the options and thinking about which ones are related to clustering metadata.
MA
Marget
1 year ago
Hmm, I'm a little unsure about this one. Is it a formula field or a master-detail field? I'll have to think this through carefully.
LI
Linn
1 year ago
Ha, I bet the answer is C and D - SYSTEMSCLUSTERING_DEPTH and SYSTEMSCLUSTERING_RATIO, because who doesn't love a good snowflake-themed pun?
GE
Gerald
1 year ago
Hmm, this is a tough one. I'm going to go with A and E, just because A sounds like it might be a general system function for clustering.
WA
Walton
1 year ago
I agree, A and E seem like the most likely options for viewing and monitoring clustering metadata.
LA
Lavonne
1 year ago
I'm not sure about E, but A definitely seems like it could be one of the functions used for monitoring clustering metadata.
BE
Bettina
1 year ago
I think A and E are correct too. They sound like they could be related to clustering metadata.
LA
Lashawn
1 year ago
I'm going to guess B and D, since they seem to be more specific to clustering metadata for a table.
JU
Juliann
1 year ago
Let's go with B and D then.
DA
Daren
1 year ago
I agree, those seem to be related to clustering metadata for a table.
YE
Yen
1 year ago
I think B and D are the correct options.
TI
Tish
1 year ago
I think C and E are the correct answers, as they look like they would provide information about the clustering depth and ratio for a table.
NI
Nina
1 year ago
Let's go with C and E then, they sound like the most relevant choices.
DO
Dorcas
1 year ago
I agree, those options seem to be related to clustering metadata.
SH
Shawn
1 year ago
I think C and E are the correct answers.
EU
Eugene
2 years ago
I'm not sure about the answer, but I think it's important to understand how to monitor clustering in Snowflake.
LA
Lashunda
2 years ago
I agree with Chi, those functions make sense for monitoring clustering metadata.
CH
Chi
2 years ago
I think the answer is A) SYSTEMSCLUSTERING and D) SYSTEMSCLUSTERING_RATIO.