A data engineer has been using a Databricks SQL dashboard to monitor the cleanliness of the input data to an ELT job. The ELT job has its Databricks SQL query that returns the number of input records containing unexpected NULL values. The data engineer wants their entire team to be notified via a messaging webhook whenever this value reaches 100.
Which of the following approaches can the data engineer use to notify their entire team via a messaging webhook whenever the number of NULL values reaches 100?

• A.They can set up an Alert without notifications.
• B.They can set up an Alert with a new email alert destination.
• C.They can set up an Alert with a new webhook alert destination.
• D.They can set up an Alert with one-time notifications.
• E.They can set up an Alert with a custom template.

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A data engineer runs a statement every day to copy the previous day's sales into the table transactions. Each day's sales are in their own file in the location "/transactions/raw".
Today, the data engineer runs the following command to complete this task:

After running the command today, the data engineer notices that the number of records in table transactions has not changed.
Which of the following describes why the statement might not have copied any new records into the table?

• A.The COPY INTO statement requires the table to be refreshed to view the copied rows.
• B.The previous day's file has already been copied into the table.
• C.The names of the files to be copied were not included with the FILES keyword.
• D.The format of the files to be copied were not included with the FORMAT_OPTIONS keyword.
• E.The PARQUET file format does not support COPY INTO.

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A data engineer is implementing a data pipeline using Databricks notebooks. The engineer wants to share parameters such as file paths and processing dates across multiple tasks within a job.
Which Databricks utility enables parameter passing?

• A.dbutils.widgets
• B.dbutils.fs
• C.spark.conf
• D.display

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A data engineer has been provided a PySpark DataFrame named df with columns product and revenue. The data engineer needs to compute complex aggregations to determine each product's total revenue, average revenue, and transaction count.
Which code snippet should the data engineer use?

• A.
• B.
• C.
• D.

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A data engineer runs a statement every day to copy the previous day's sales into the table transactions. Each day's sales are in their own file in the location "/transactions/raw".
Today, the data engineer runs the following command to complete this task:

After running the command today, the data engineer notices that the number of records in table transactions has not changed.
Which of the following describes why the statement might not have copied any new records into the table?

• A.The format of the files to be copied were not included with the FORMAT_OPTIONS keyword.
• B.The names of the files to be copied were not included with the FILES keyword.
• C.The previous day's file has already been copied into the table.
• D.The PARQUET file format does not support COPY INTO.
• E.The COPY INTO statement requires the table to be refreshed to view the copied rows.

Comment: *

Name: *

Email: *

Verification: *