单选题 一位数据分析师开发了一个针对Delta表的查询。他们希望数据工程团队帮助实施一系列测试,以确保查询返回的数据是干净的。然而,数据工程团队使用Python进行测试而不是SQL。数据工程团队可以使用哪个操作来运行查询并在PySpark中操作结果?

A、 SELECT * FROM sales
B、 spark.delta.table
C、 spark.sql
D、 spark.table
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相关试题

单选题 Which of the following data lakehouse features results in improved data quality over a traditional data lake?

A、A data lakehouse provides storage solutions for structured and unstructured data.
B、A data lakehouse supports ACID-compliant transactions.
C、A data lakehouse allows the use of SQL queries to examine data.
D、A data lakehouse stores data in open formats.
E、A data lakehouse enables machine learning and artificial Intelligence workloads.

单选题 Which of the following is a benefit of the Databricks Lakehouse Platform embracing open source technologies?

A、Cloud-specific integrations
B、Simplified governance
C、Ability to scale storage
D、Ability to scale workloads
E、Avoiding vendor lock-in

单选题 Which of the following can be used to simplify and unify siloed data architectures that are specialized for specific use cases?

A、None of these
B、Data lake
C、Data warehouse
D、All of these
E、Data lakehouse

单选题 Which of the following is hosted completely in the control plane of the classic Databricks architecture?

A、Worker node
B、JDBC data source
C、Databricks web application
D、Databricks Filesystem
E、Driver node

单选题 Which of the following describes the storage organization of a Delta table?

A、Delta tables are stored in a single file that contains data, history, metadata, and other attributes.
B、Delta tables store their data in a single file and all metadata in a collection of files in a separate location.
C、Delta tables are stored in a collection of files that contain data, history, metadata, and other attributes.
D、Delta tables are stored in a collection of files that contain only the data stored within the table.
E、Delta tables are stored in a single file that contains only the data stored within the table.

单选题 A data engineer is running code in a Databricks Repo that is cloned from a central Git repository. A colleague of the data engineer informs them that changes have been made and synced to the central Git repository. The data engineer now needs to sync their Databricks Repo to get the changes from the central Git repository. Which of the following Git operations does the data engineer need to run to accomplish this task?

A、Merge
B、Push
C、Pull
D、Commit
E、Clone

单选题 Which of the following describes a scenario in which a data engineer will want to use a single-node cluster?

A、When they are working interactively with a small amount of data
B、When they are running automated reports to be refreshed as quickly as possible
C、When they are working with SQL within Databricks SQL
D、When they are concerned about the ability to automatically scale with larger data
E、When they are manually running reports with a large amount of data

单选题 Which of the following benefits of using the Databricks Lakehouse Platform is provided by Delta Lake?

A、The ability to manipulate the same data using a variety of languages
B、The ability to collaborate in real time on a single notebook
C、The ability to set up alerts for query failures
D、The ability to support batch and streaming workloads
E、The ability to distribute complex data operations