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  1. Home
  2. Snowflake Certification
  3. COF-C02 Exam
  4. Snowflake.COF-C02.v2026-01-13.q618 Dumps
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Question 366

Which data formats are supported by Snowflake when unloading semi-structured data? (Select TWO).

Correct Answer: B,D
Snowflake supports a variety of file formats for unloading semi-structured data, among which Parquet and Newline Delimited JSON (NDJSON) are two widely used formats.
B . Binary file in Parquet: Parquet is a columnar storage file format optimized for large-scale data processing and analysis. It is especially suited for complex nested data structures.
D . Newline Delimited JSON (NDJSON): This format represents JSON records separated by newline characters, facilitating the storage and processing of multiple, separate JSON objects in a single file.
These formats are chosen for their efficiency and compatibility with data analytics tools and ecosystems, enabling seamless integration and processing of exported data.
Reference:
Snowflake Documentation: Data Unloading
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Question 367

What are type predicates used for?

Correct Answer: C
Type predicates in Snowflake are used to determine if a value in a VARIANT column is of a particular data type. This is useful when working with semi-structured data stored in VARIANT columns, as it allows for data type validation and conditional processing based on the data type.
Reference:
Snowflake Documentation: Type Predicates
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Question 368

Which statements reflect valid commands when using secondary roles? (Select TWO).

Correct Answer: C,E
* USE SECONDARY ROLES ALL: Activates all granted secondary roles for the current session.
* USE SECONDARY ROLES NONE: Deactivates all active secondary roles for the current session.
* Incorrect Commands: The options referencing "RESUME", "SUSPEND", and "ADD" are not valid commands in the context of secondary roles.
References:
* Snowflake Documentation (USE SECONDARY
ROLES): https://docs.snowflake.com/en/sql-reference/sql/use-secondary-roles.html
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Question 369

Which of the following statements describe features of Snowflake data caching? (Choose two.)

Correct Answer: B,E
Snowflake's data caching features include the ability to clear the least-recently used data when the data cache is full to make room for new data. Additionally, the RESULT_SCAN table function can access and filter the contents of the query result cache, allowing users to retrieve and work with the results of previous queries. The other statements are incorrect: the data cache is not saved on the remote storage layer when a virtual warehouse is suspended, users can access queries from the query result cache that were run by other users, and there is no setting called USE_METADATA_CACHE in Snowflake. References: Caching in the Snowflake Cloud Data Platform, Optimizing the warehouse cache
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Question 370

Which of the following Snowflake objects can be shared using a secure share? (Select TWO).

Correct Answer: D,E
Secure Data Sharing enables sharing selected objects in a database in your account with other Snowflake accounts. The following Snowflake database objects can be shared:
Tables
External tables
Secure views
Secure materialized views
Secure UDFs
https://docs.snowflake.com/en/user-guide/data-sharing-intro.html
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