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Kyvos offers a Query Playground feature that enables you to browse semantic models using popular query languages, such as SQL and MDX. You can write and execute the queries directly without relying on a visualization layer or third-party tools. This makes it easier to extract data for downstream applications, validate data in a semantic model, or debug query performance. Additionally, users can export querying data in JSON or CSV and JSON format.When a semantic model is selected, Kyvos Copilot assists users in writing MDX queries by auto-correcting the MDX expression based on the name and syntax of dimensions and measures. The history of the last 30 days is stored and can be filtered by category or custom text. You can also reuse previous inputs and outputs to create new expressions. To create new expressions, users can reuse previous inputs and outputs automatically by clicking the Use me option. Alternatively, they can manually fill in the input by clicking the Copy to Clipboard option and paste it into the Input Prompt box to regenerate the output. For more information on how to use Kyvos Copilot to create MDX expressions, see the Creating automated MDX expressions using Kyvos Copilot section.

To navigate to Query Playground, click the Toolbox and select Utilities > Query Playground.
The Query Playground page is displayed in a new window.

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Selecting Semantic Model

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When selecting a semantic model for SQL and MDQ MDX queries, ensure the following:

• MDX: To write MDX queries, you need to must select a semantic model. After selecting the semantic model, the dimensions and measures are displayed that are used for calculations.
  Kyvos Copilot assists you in writing MDX queries by auto-correcting expressions based on dimensions and measures.
  Using Kyvos Copilot, you can view:

  • The history of the last 30 days is stored and can be filtered by category or custom text.

  • Reuse previous inputs and outputs to create new expressions. To create new expressions, users can reuse previous inputs and outputs automatically by clicking the Use me option. Alternatively, they can manually fill in the input by clicking the Copy to Clipboard option and paste it into the Input Prompt box to regenerate the output.
    To use Kyvos Copilot with MDX queries, click the Ask Kyvos Copilot button located on the right-hand side of the page.

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    The Calculations using Kyvos Copilot dialog is displayed.

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• SQL: To write SQL queries, selecting a semantic model is not mandatory as SQL queries run directly on the Query Enginethe query itself contains folder name and semantic model.However, if you select a semantic model, you must write a query about it. After selecting a semantic model, the dimensions and measures are displayed. Expanding the dimensions or measures displays the columns used for calculationsthem. To view the hierarchical details of a column, you need to hover over it. The details of the column will be displayed.

  

Executing query on Query Playground

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1. Click the Toolbox and select Utilities > Query Playground. The Query Playground page is displayed in a new window.

   

2. To execute a query, select one of the following:

   • Spark SQL: To execute SQL queries with or without selecting a semantic model, start typing your queries in the editor. As you enter text, suggested statements, functions, operators, and so on are displayed. Click an item to auto-fill it.
     The following image displays how to execute an SQL query without selecting a semantic model.

     

     The following image displays how to execute an SQL query by selecting a semantic model.

     

   • MDX: To execute an MDX query, click the Select Semantic Model link. The Select Semantic Model dialog will appear. The semantic model's dimension and measure will be displayed in the left pane. Using the Kyvos Copilot, you can also create MDX expressions for calculated measures in semantical semantic models and Kyvos worksheets.

     

     For further details on how to use Kyvos Copilot for MDX queries, see the section Creating expression using Kyvos Copilot section.

     

3. Click Execute. You will view a Preview of the executed query.

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• Query Status: Click the option to monitor the status of the query.

• Clear Query: Click the option to cancel will clear the expression (query) editor and close the Preview section.

• Open Semantic Model: Click the link to view the semantic model in detail. The semantic model will open in a new window.

• Remove: Click the link to cancel remove the semantic model.

• Export: Click the option to export the data to JSON or CSV format, as mentioned below.

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1. On the Query Playground dialog box, click Export Data.

   

2. The Export Data dialog is displayed.

   

3. Select file format as JSON or CSV. By default, the JSON file format is selected.

   • JSON: Click the option to export the data in JSON formatfile.

   • CSV: Click this option to export the data in a CSV (comma-separated values) file, which allows data to be saved in a table-structured format. By default, the information for CSV is filled. You can change the values as needed.

     

     The following options will be displayed when exporting the data to JSON or CSV format.

     • Zipped: Select this check box checkbox to export the data in a zipped formatfile. If you clear this option, the JSON or CSV file is downloaded without the zipped folder.

     • Include Header (for CSV only): Select this checkbox to include the column header while exporting data in the CSV file.

     • Keep Measure formatting: Select this check box checkbox to format keep the larger-digit same measure formatting while exporting the data for JSON or CSV. If you clear this option, the measure in the exported JSON or CSV file will not be formatted. Include Header (for CSV only): Select this check box to include the column header while exporting data in the CSV file format.