nerdexam
SnowflakeSnowflake

ARA-C01 · Question #101

ARA-C01 Question #101: Real Exam Question with Answer & Explanation

The correct answer is A: Change data capture can be performed using the Data Vault 2.0 HASH_DIFF concept.. Data Vault 2.0 on Snowflake supports the HASH_DIFF concept for change data capture, which is a method to detect changes in the data by comparing the hash values of the records. Additionally, Snowflake's multi-table insert feature allows for the loading of multiple PIT tables in p

Data Modeling and Design

Question

A retailer's enterprise data organization is exploring the use of Data Vault 2.0 to model its data lake solution. A Snowflake Architect has been asked to provide recommendations for using Data Vault 2.0 on Snowflake. What should the Architect tell the data organization? (Select TWO).

Options

  • AChange data capture can be performed using the Data Vault 2.0 HASH_DIFF concept.
  • BChange data capture can be performed using the Data Vault 2.0 HASH_DELTA concept.
  • CUsing the multi-table insert feature in Snowflake, multiple Point-in-Time (PIT) tables can be loaded
  • DUsing the multi-table insert feature, multiple Point-in-Time (PIT) tables can be loaded sequentially
  • EThere are performance challenges when using Snowflake to load multiple Point-in-Time (PIT)

Explanation

Data Vault 2.0 on Snowflake supports the HASH_DIFF concept for change data capture, which is a method to detect changes in the data by comparing the hash values of the records. Additionally, Snowflake's multi-table insert feature allows for the loading of multiple PIT tables in parallel from a single join query, which can significantly streamline the data loading process and improve

Topics

#Data Vault 2.0#Change Data Capture (CDC)#Snowflake Data Loading#Point-in-Time (PIT) Tables

Community Discussion

No community discussion yet for this question.

Full ARA-C01 PracticeBrowse All ARA-C01 Questions