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What is the best way to query external csv files located on DBFS Storage to inspect the data using SQL?
What is the best way to query external csv files located on DBFS Storage to inspect the data using SQL?A . SELECT * FROM 'dbfs:/location/csv_files/' FORMAT = 'CSV' B. SELECT CSV. * from 'dbfs:/location/csv_files/' C. SELECT * FROM CSV. 'dbfs:/location/csv_files/' D. You can not query external files directly, us COPY...
Which of the following SQL statements can be used to update a transactions table, to set a flag on the table from Y to N
Which of the following SQL statements can be used to update a transactions table, to set a flag on the table from Y to NA . MODIFY transactions SET active_flag = 'N' WHERE active_flag = 'Y' B. MERGE transactions SET active_flag = 'N' WHERE active_flag = 'Y' C. UPDATE transactions...
When you drop a managed table using SQL syntax DROP TABLE table_name how does it impact metadata, history, and data stored in the table?
When you drop a managed table using SQL syntax DROP TABLE table_name how does it impact metadata, history, and data stored in the table?A . Drops table from meta store, drops metadata, history, and data in storage. B. Drops table from meta store and data from storage but keeps metadata...
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....
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:...
table(table_name))
table(table_name))A . format, checkpointlocation, schemalocation, overwrite B. cloudfiles.format, checkpointlocation, cloudfiles.schemalocation, overwrite C. cloudfiles.format, cloudfiles.schemalocation, checkpointlocation, mergeSchema D. cloudfiles.format, cloudfiles.schemalocation, checkpointlocation, overwrite E. cloudfiles.format, cloudfiles.schemalocation, checkpointlocation, appendView AnswerAnswer: C Explanation: The answer is cloudfiles.format, cloudfiles.schemalocation, checkpointlocation, mergeSchema. Here is the end to end syntax of streaming ELT, below link contains complete...
table(table_name))
table(table_name))A . format, checkpointlocation, schemalocation, overwrite B. cloudfiles.format, checkpointlocation, cloudfiles.schemalocation, overwrite C. cloudfiles.format, cloudfiles.schemalocation, checkpointlocation, mergeSchema D. cloudfiles.format, cloudfiles.schemalocation, checkpointlocation, overwrite E. cloudfiles.format, cloudfiles.schemalocation, checkpointlocation, appendView AnswerAnswer: C Explanation: The answer is cloudfiles.format, cloudfiles.schemalocation, checkpointlocation, mergeSchema. Here is the end to end syntax of streaming ELT, below link contains complete...
What steps need to be taken to set up a DELTA LIVE PIPELINE as a job using the workspace UI?
What steps need to be taken to set up a DELTA LIVE PIPELINE as a job using the workspace UI?A . DELTA LIVE TABLES do not support job cluster B. Select Workflows UI and Delta live tables tab, under task type select Delta live tables pipeline and select the notebook...
as total_sales from sales
as total_sales from salesView AnswerAnswer: C Explanation: The answer is
