ARA-C01 Question #119: Real Exam Question with Answer & Explanation

The correct answer is A: The MERGE command. In Snowflake, the change tracking metadata for a table is utilized by the MERGE command and the STREAM object. The MERGE command uses change tracking to determine how to apply updates and inserts efficiently based on differences between source and target tables. STREAM objects, o

Data Engineering

Question

What built-in Snowflake features make use of the change tracking metadata for a table? (Choose two.)

Options

AThe MERGE command
BThe UPSERT command
CThe CHANGES clause
DA STREAM object
EThe CHANGE_DATA_CAPTURE command

Explanation

In Snowflake, the change tracking metadata for a table is utilized by the MERGE command and the STREAM object. The MERGE command uses change tracking to determine how to apply updates and inserts efficiently based on differences between source and target tables. STREAM objects, on the other hand, specifically capture and store change data, enabling incremental processing based on changes made to a table since the last stream offset was committed.

Topics

#Snowflake Streams#Change Data Capture (CDC)#MERGE command#Data Pipelines

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