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A data engineer only wants to execute the final block of a Python program if the Python variable day_of_week is equal to 1 and the Python variable review_period is True.
Which of the following control flow statements should the data engineer use to begin this conditionally executed code block?
In Python, the==operator is used to compare the values of two variables, while the=operator is used to assign a value to a variable. Therefore, option A and E are incorrect, as they use the=operator for comparison. Option B and C are also incorrect, as they compare thereview_periodvariable to a string value'True', which is different from the boolean valueTrue. Option D is the correct answer, as it uses the==operator to compare theday_of_weekvariable to the integer value1, and theandoperator to check if both conditions are true. If both conditions are true, then the final block of the Python program will be executed.Reference: [Python Operators], [Python If ... Else]
A data engineer has left the organization. The data team needs to transfer ownership of the data engineer's Delta tables to a new data engineer. The new data engineer is the lead engineer on the data team.
Assuming the original data engineer no longer has access, which of the following individuals must be the one to transfer ownership of the Delta tables in Data Explorer?
Which of the following data lakehouse features results in improved data quality over a traditional data lake?
A data analyst has a series of queries in a SQL program. The data analyst wants this program to run every day. They only want the final query in the program to run on Sundays. They ask for help from the data engineering team to complete this task.
Which of the following approaches could be used by the data engineering team to complete this task?
Which of the following describes the relationship between Gold tables and Silver tables?
According to the medallion lakehouse architecture, gold tables are the final layer of data that powers analytics, machine learning, and production applications. They are often highly refined and aggregated, containing data that has been transformed into knowledge, rather than just information. Silver tables, on the other hand, are the intermediate layer of data that represents a validated, enriched version of the raw data from the bronze layer. They provide an enterprise view of all its key business entities, concepts and transactions, but they may not have all the aggregations and calculations that are required for specific use cases. Therefore, gold tables are more likely to contain aggregations than silver tables.Reference:
What is the medallion lakehouse architecture?
What is a Medallion Architecture?
