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Snowflake Updated ARA-R01 Exam Questions and Answers by camille

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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: camille
Question 44

When using the copy into

command with the CSV file format, how does the match_by_column_name parameter behave?

Options:

A.

It expects a header to be present in the CSV file, which is matched to a case-sensitive table column name.

B.

The parameter will be ignored.

C.

The command will return an error.

D.

The command will return a warning stating that the file has unmatched columns.

Discussion
command is used to load data from staged files into an existing table in Snowflake. The command supports various file formats, such as CSV, JSON, AVRO, ORC, PARQUET, and XML1.
  • The match_by_column_name parameter is a copy option that enables loading semi-structured data into separate columns in the target table that match corresponding columns represented in the source data. The parameter can have one of the following values2:
  • The match_by_column_name parameter only applies to semi-structured data, such as JSON, AVRO, ORC, PARQUET, and XML. It does not apply to CSV data, which is considered structured data2.
  • When using the copy into
  • command with the CSV file format, the match_by_column_name parameter behaves as follows2:

    References:

    • 1: COPY INTO
    | Snowflake Documentation
  • 2: MATCH_BY_COLUMN_NAME | Snowflake Documentation
  • Question 45

    The following DDL command was used to create a task based on a stream:

    Questions 45

    Assuming MY_WH is set to auto_suspend – 60 and used exclusively for this task, which statement is true?

    Options:

    A.

    The warehouse MY_WH will be made active every five minutes to check the stream.

    B.

    The warehouse MY_WH will only be active when there are results in the stream.

    C.

    The warehouse MY_WH will never suspend.

    D.

    The warehouse MY_WH will automatically resize to accommodate the size of the stream.

    Discussion
    Question 46

    A user can change object parameters using which of the following roles?

    Options:

    A.

    ACCOUNTADMIN, SECURITYADMIN

    B.

    SYSADMIN, SECURITYADMIN

    C.

    ACCOUNTADMIN, USER with PRIVILEGE

    D.

    SECURITYADMIN, USER with PRIVILEGE

    Discussion
    Question 47

    What Snowflake features should be leveraged when modeling using Data Vault?

    Options:

    A.

    Snowflake’s support of multi-table inserts into the data model’s Data Vault tables

    B.

    Data needs to be pre-partitioned to obtain a superior data access performance

    C.

    Scaling up the virtual warehouses will support parallel processing of new source loads

    D.

    Snowflake’s ability to hash keys so that hash key joins can run faster than integer joins

    Discussion
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