Databricks Certified Data Engineer - Associate
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Which of the following benefits of using the Databricks Lakehouse Platform is provided by Delta Lake?
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KKeng
A
The ability to manipulate the same data using a variety of languages
B
The ability to collaborate in real time on a single notebook
C
The ability to set up alerts for query failures
D
The ability to support batch and streaming workloads
E
The ability to distribute complex data operations
Explanation:
Delta Lake provides the ability to support both batch and streaming workloads through its unified batch and streaming data processing capabilities. Delta Lake is an open-source storage layer that brings ACID transactions to Apache Spark and big data workloads. It enables:
- Unified batch and streaming: Delta Lake can handle both batch and streaming data ingestion and processing
- ACID transactions: Ensures data integrity and consistency
- Schema enforcement and evolution: Maintains data quality
- Time travel: Allows querying of historical data versions
- Scalable metadata handling: Efficiently manages metadata for large datasets
The other options describe features of the broader Databricks platform:
- A: Multi-language support is provided by Databricks notebooks
- B: Real-time collaboration is a Databricks workspace feature
- C: Query failure alerts are part of Databricks monitoring and alerting
- E: Distributed operations are handled by Apache Spark
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