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- Question 50
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Question 50/77
You are creating an external table by using an Apache Spark pool in Azure Synapse Analytics. The table will contain more than 20 million rows partitioned by date. The table will be shared with the SQL engines.
You need to minimize how long it takes for a serverless SQL pool to execute a query data against the table.
In which file format should you recommend storing the table data?
You need to minimize how long it takes for a serverless SQL pool to execute a query data against the table.
In which file format should you recommend storing the table data?
Correct Answer: B
Prepare files for querying
If possible, you can prepare files for better performance:
* Convert large CSV and JSON files to Parquet. Parquet is a columnar format. Because it's compressed, its file sizes are smaller than CSV or JSON files that contain the same data. Serverless SQL pool skips the columns and rows that aren't needed in a query if you're reading Parquet files. Serverless SQL pool needs less time and fewer storage requests to read it.
Reference:
https://stackoverflow.com/questions/65320949/parquet-vs-delta-format-in-azure-data-lake-gen-2-store
If possible, you can prepare files for better performance:
* Convert large CSV and JSON files to Parquet. Parquet is a columnar format. Because it's compressed, its file sizes are smaller than CSV or JSON files that contain the same data. Serverless SQL pool skips the columns and rows that aren't needed in a query if you're reading Parquet files. Serverless SQL pool needs less time and fewer storage requests to read it.
Reference:
https://stackoverflow.com/questions/65320949/parquet-vs-delta-format-in-azure-data-lake-gen-2-store
- Question List (77q)
- Question 1: You have a Power Bl dataset that uses DirectQuery against an...
- Question 2: You have an Azure Synapse Analytics dedicated SQL pool and a...
- Question 3: You develop a solution that uses a Power Bl Premium capacity...
- Question 4: You are building a Power Bl dataset that contains a table na...
- Question 5: The enterprise analytics team needs to resolve the DAX measu...
- Question 6: Note: This question is part of a series of questions that pr...
- Question 7: You have an Azure Synapse notebook. You need to create the v...
- Question 8: What should you configure in the deployment pipeline?...
- Question 9: You need to configure the Sales Analytics workspace to meet ...
- Question 10: You have a Power BI report named Report1. Repor1 is connecte...
- Question 11: You have a Power Bl tenant that contains 10 workspaces. You ...
- Question 12: You need to ensure that the new process for deploying report...
- Question 13: You have an Azure Synapse Analytics dedicated SQL pool. You ...
- Question 14: You have a Power Bl report that contains one visual. You nee...
- Question 15: You are configuring Azure Synapse Analytics pools to support...
- Question 16: You are using a Python notebook in an Apache Spark pool in A...
- Question 17: The enterprise analytics team needs to create a view for the...
- Question 18: You need to recommend a solution to add new fields to the fi...
- Question 19: You have a Power Bl dataset that has the query dependencies ...
- Question 20: You use an Apache Spark notebook in Azure Synapse Analytics ...
- Question 21: You manage a dataset that contains the two data sources as s...
- Question 22: You plan to a Power Bl dataset. You open the Impact analysis...
- Question 23: You have a Power Bl dataset that contains two tables named T...
- Question 24: You have a deployment pipeline for a Power BI workspace. The...
- Question 25: You use the Vertipaq Analyzer to analyze tables in a dataset...
- Question 26: You are using GitHub as a source control solution for an Azu...
- Question 27: Note: This question is part of a series of questions that pr...
- Question 28: You need to integrate the external data source to support th...
- Question 29: You have a Power Bl workspace that contains one dataset and ...
- Question 30: You need to save Power Bl dataflows in an Azure Storage acco...
- Question 31: You are building a Power Bl dataset that will use two data s...
- Question 32: You are running a diagnostic against a query as shown in the...
- Question 33: You are using DAX Studio to query an XMLA endpoint. How shou...
- Question 34: You have a Power Bl dataset named Dataset1 that uses DirectQ...
- Question 35: You have an Azure subscription that contains an Azure Synaps...
- Question 36: You need to meet the technical requirements for deploying re...
- Question 37: You need to create the customized Power Bl usage reporting. ...
- Question 38: You are implementing a reporting solution that has the follo...
- Question 39: You have a Power BI Premium capacity. You need to increase t...
- Question 40: After you answer a question in this section, you will NOT be...
- Question 41: You have a Power Bl dataset that contains the following meas...
- Question 42: Note: This question is part of a series of questions that pr...
- Question 43: Note: This question is part of a series of questions that pr...
- Question 44: You need to use Power Bl to ingest data from an API. The API...
- Question 45: You are attempting to configure certification for a Power BI...
- Question 46: You have a Power Bl report that contains a bar chart. The ba...
- Question 47: You need to recommend a solution to resolve the query issue ...
- Question 48: You have two Power BI reports named Report1 and Report2. Rep...
- Question 49: You need to recommend changes to the Power Bl tenant to meet...
- Question 50: You are creating an external table by using an Apache Spark ...
- Question 51: Note: This question is part of a series of questions that pr...
- Question 52: You have a team of business analysts that uses Power Bl for ...
- Question 53: You have a Power Bl report that contains the table shown in ...
- Question 54: You have a Power Bl data model that contains two tables name...
- Question 55: The enterprise analytics team needs to notify the report own...
- Question 56: You need to recommend a solution for the analysts in the Fin...
- Question 57: You have a deployment pipeline for a Power BI workspace. The...
- Question 58: You need to recommend a solution to ensure that sensitivity ...
- Question 59: Note: This question is part of a series of questions that pr...
- Question 60: You have the following Python code in an Apache Spark notebo...
- Question 61: How should you configure the Power BI dataset refresh for th...
- Question 62: You have an Azure Synapse Analytics notebook. You run the xx...
- Question 63: You deploy a tabular model named DM! to a Power Bl Premium c...
- Question 64: You are using an Azure Synapse notebook to create a Python v...
- Question 65: Note: This question is part of a series of questions that pr...
- Question 66: You are planning a Power Bl solution for a customer. The cus...
- Question 67: Note: This question is part of a series of questions that pr...
- Question 68: You plan to create a Power Bl report that will use an OData ...
- Question 69: Note: This question is part of a series of questions that pr...
- Question 70: Note: This question is part of a series of questions that pr...
- Question 71: You have the Power BI workspaces shown in the following exhi...
- Question 72: You have a dataset that is populated from a list of business...
- Question 73: You need to identify the root cause of the data refresh issu...
- Question 74: Note: This question is part of a series of questions that pr...
- Question 75: You have a Power Bl dataset that contains the following meas...
- Question 76: You are using an Azure Synapse Analytics serverless SQL pool...
- Question 77: You open a Power Bl Desktop report that contains an imported...
