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Which of the following statements are correct on how Delta Lake implements a lake house?

Which of the following statements are correct on how Delta Lake implements a lake house?
A . Delta lake uses a proprietary format to write data, optimized for cloud storage
B . Using Apache Hadoop on cloud object storage
C . Delta lake always stores meta data in memory vs storage
D . Delta lake uses open source, open format, optimized cloud storage and scalable meta data
E . Delta lake stores data and meta data in computes memory

Answer: D

Explanation:

Delta lake is

• Open source

• Builds up on standard data format

• Optimized for cloud object storage

• Built for scalable metadata handling Delta lake is not

• Proprietary technology

• Storage format

• Storage medium

• Database service or data warehouse

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