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Snowflake Updated ARA-R01 Exam Questions and Answers by florrie

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Snowflake ARA-R01 Exam Overview :

Exam Name: SnowPro Advanced: Architect Recertification Exam
Exam Code: ARA-R01 Dumps
Vendor: Snowflake Certification: Snowflake Certification
Questions: 162 Q&A's Shared By: florrie
Question 40

Which technique will efficiently ingest and consume semi-structured data for Snowflake data lake workloads?

Options:

A.

IDEF1X

B.

Schema-on-write

C.

Schema-on-read

D.

Information schema

Discussion
Question 41

When loading data into a table that captures the load time in a column with a default value of either CURRENT_TIME () or CURRENT_TIMESTAMP() what will occur?

Options:

A.

All rows loaded using a specific COPY statement will have varying timestamps based on when the rows were inserted.

B.

Any rows loaded using a specific COPY statement will have varying timestamps based on when the rows were read from the source.

C.

Any rows loaded using a specific COPY statement will have varying timestamps based on when the rows were created in the source.

D.

All rows loaded using a specific COPY statement will have the same timestamp value.

Discussion
Question 42

How do Snowflake databases that are created from shares differ from standard databases that are not created from shares? (Choose three.)

Options:

A.

Shared databases are read-only.

B.

Shared databases must be refreshed in order for new data to be visible.

C.

Shared databases cannot be cloned.

D.

Shared databases are not supported by Time Travel.

E.

Shared databases will have the PUBLIC or INFORMATION_SCHEMA schemas without explicitly granting these schemas to the share.

F.

Shared databases can also be created as transient databases.

Discussion
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Question 43

A Developer is having a performance issue with a Snowflake query. The query receives up to 10 different values for one parameter and then performs an aggregation over the majority of a fact table. It then

joins against a smaller dimension table. This parameter value is selected by the different query users when they execute it during business hours. Both the fact and dimension tables are loaded with new data in an overnight import process.

On a Small or Medium-sized virtual warehouse, the query performs slowly. Performance is acceptable on a size Large or bigger warehouse. However, there is no budget to increase costs. The Developer

needs a recommendation that does not increase compute costs to run this query.

What should the Architect recommend?

Options:

A.

Create a task that will run the 10 different variations of the query corresponding to the 10 different parameters before the users come in to work. The query results will then be cached and ready to respond quickly when the users re-issue the query.

B.

Create a task that will run the 10 different variations of the query corresponding to the 10 different parameters before the users come in to work. The task will be scheduled to align with the users' working hours in order to allow the warehouse cache to be used.

C.

Enable the search optimization service on the table. When the users execute the query, the search optimization service will automatically adjust the query execution plan based on the frequently-used parameters.

D.

Create a dedicated size Large warehouse for this particular set of queries. Create a new role that has USAGE permission on this warehouse and has the appropriate read permissions over the fact and dimension tables. Have users switch to this role and use this warehouse when they want to access this data.

Discussion
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