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