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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 241

Which function returns an integer between 0 and 100 when used to calculate the similarity of two strings?

Correct Answer: B
The JAROWINKLER_SIMILARITY function in Snowflake returns an integer between 0 and 100, indicating the similarity of two strings based on the Jaro-Winkler similarity algorithm. This function is useful for comparing strings and determining how closely they match each other.
Understanding JAROWINKLER_SIMILARITY: The Jaro-Winkler similarity metric is a measure of similarity between two strings. The score is a number between 0 and 100, where 100 indicates an exact match and lower scores indicate less similarity.
Usage Example: To compare two strings and get their similarity score, you can use:
SELECT JAROWINKLER_SIMILARITY('string1', 'string2') AS similarity_score; Application Scenarios: This function is particularly useful in data cleaning, matching, and deduplication tasks where you need to identify similar but not identical strings, such as names, addresses, or product titles.
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Question 242

While unloading data into a stage, how can the user ensure that the output will be a single file?

Correct Answer: B
To ensure that the output will be a single file when unloading data into a stage, you should use the COPY option SINGLE=TRUE. This option specifies that the result of the COPY INTO command should be written to a single file, rather than multiple files.
Snowflake Documentation: COPY INTO <location>
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Question 243

What are value types that a VARIANT column can store? (Select TWO)

Correct Answer: D,E
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Question 244

What happens when a cloned table is replicated to a secondary database? (Select TWO)

Correct Answer: C,E
When a cloned table is replicated to a secondary database in Snowflake, the following occurs:
C . The physical data is replicated: The actual data of the cloned table is physically replicated to the secondary database. This ensures that the secondary database has its own copy of the data, which can be used for read-only purposes or failover scenarios1.
E . Metadata pointers to cloned tables are replicated: Along with the physical data, the metadata pointers that refer to the cloned tables are also replicated. This metadata includes information about the structure of the table and any associated properties2.
It's important to note that while the physical data and metadata are replicated, the secondary database is typically read-only and cannot be used for write operations. Additionally, while there may be additional storage costs associated with the secondary account, this is not a direct result of the replication process but rather a consequence of storing additional data.
Reference:
SnowPro Core Exam Prep - Answers to Snowflake's LEVEL UP: Backup and Recovery Snowflake SnowPro Core Certification Exam Questions Set 10
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Question 245

Which Snowflake objects track DML changes made to tables, like inserts, updates, and deletes?

Correct Answer: D
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