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What is the main difference between the silver layer and the gold layer in medallion architecture?
What is the main difference between the silver layer and the gold layer in medallion architecture?A . Silver may contain aggregated data B. Gold may contain aggregated data C. Data quality checks are applied in gold D. Silver is a copy of bronze data E. God is a copy of...
Which of the following SQL command can be used to insert or update or delete rows based on a condition to check if a row(s) exists?
Which of the following SQL command can be used to insert or update or delete rows based on a condition to check if a row(s) exists?A . MERGE INTO table_name B. COPY INTO table_name C. UPDATE table_name D. INSERT INTO OVERWRITE table_name E. INSERT IF EXISTS table_nameView AnswerAnswer: A Explanation:...
Which of the statements are correct about lakehouse?
Which of the statements are correct about lakehouse?A . Lakehouse only supports Machine learning workloads and Data warehouses support BI workloads B. Lakehouse only supports end-to-end streaming workloads and Data warehouses support Batch workloads C. Lakehouse does not support ACID D. In Lakehouse Storage and compute are coupled E. Lakehouse...
table("uncleanedSales")
table("uncleanedSales")View AnswerAnswer: B Explanation: The answer is
What is the purpose of a gold layer in Multi-hop architecture?
What is the purpose of a gold layer in Multi-hop architecture?A . Optimizes ETL throughput and analytic query performance B. Eliminate duplicate records C. Preserves grain of original data, without any aggregations D. Data quality checks and schema enforcement E. Powers ML applications, reporting, dashboards and adhoc reports.View AnswerAnswer: E...
AS SELECT * FROM table_name
AS SELECT * FROM table_nameView AnswerAnswer: C Explanation:
You are noticing job cluster is taking 6 to 8 mins to start which is delaying your job to finish on time, what steps you can take to reduce the amount of time cluster startup time
You are noticing job cluster is taking 6 to 8 mins to start which is delaying your job to finish on time, what steps you can take to reduce the amount of time cluster startup timeA . Setup a second job ahead of first job to start the cluster, so...
Which of the following describes how Databricks Repos can help facilitate CI/CD workflows on the Databricks Lakehouse Platform?
Which of the following describes how Databricks Repos can help facilitate CI/CD workflows on the Databricks Lakehouse Platform?A . Databricks Repos can facilitate the pull request, review, and approval process before merging branches B. Databricks Repos can merge changes from a secondary Git branch into a main Git branch C....
as total_sales from sales
as total_sales from salesView AnswerAnswer: C Explanation: The answer is
How does Lakehouse replace the dependency on using Data lakes and Data warehouses in a Data and Analytics solution?
How does Lakehouse replace the dependency on using Data lakes and Data warehouses in a Data and Analytics solution?A . Open, direct access to data stored in standard data formats. B. Supports ACID transactions. C. Supports BI and Machine learning workloads D. Support for end-to-end streaming and batch workloads E....
