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What is the purpose of the silver layer in a Multi hop architecture?
What is the purpose of the silver layer in a Multi hop architecture?A . Replaces a traditional data lake B. Efficient storage and querying of full, unprocessed history of data C. Eliminates duplicate data, quarantines bad data D. Refined views with aggregated data E. Optimized query performance for business-critical dataView...
If you create a database sample_db with the statement CREATE DATABASE sample_db what will be the default location of the database in DBFS?
If you create a database sample_db with the statement CREATE DATABASE sample_db what will be the default location of the database in DBFS?A . Default location, DBFS:/user/ B. Default location, /user/db/ C. Default Storage account D. Statement fails “Unable to create database without location” E. Default Location, dbfs:/user/hive/warehouseView AnswerAnswer: E...
Which of the following scenarios is the best fit for AUTO LOADER?
Which of the following scenarios is the best fit for AUTO LOADER?A . Efficiently process new data incrementally from cloud object storage B. Efficiently move data incrementally from one delta table to another delta table C. Incrementally process new data from streaming data sources like Kafka into delta lake D....
While investigating a data issue, you wanted to review yesterday's version of the table using below command, while querying the previous version of the table using time travel you realized that you are no longer able to view the historical data in the table and you could see it the table was updated yesterday based on the table history(DESCRIBE HISTORY table_name) command what could be the reason why you can not access this data?
While investigating a data issue, you wanted to review yesterday's version of the table using below command, while querying the previous version of the table using time travel you realized that you are no longer able to view the historical data in the table and you could see it the...
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....
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:...
as total_sales from sales
as total_sales from salesView AnswerAnswer: C Explanation: The answer is
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...
table("uncleanedSales")
table("uncleanedSales")View AnswerAnswer: B Explanation: The answer is
You are currently asked to work on building a data pipeline, you have noticed that you are currently working on a very large scale ETL many data dependencies, which of the following tools can be used to address this problem?
You are currently asked to work on building a data pipeline, you have noticed that you are currently working on a very large scale ETL many data dependencies, which of the following tools can be used to address this problem?A . AUTO LOADER B. JOBS and TASKS C. SQL Endpoints...
