Most voted questions in Power BI

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How do I optimize a complex Power Query transformation that takes too long to refresh?

If you want to optimize a very ...READ MORE

Mar 17 in Power BI by anonymous
 • 36,180 points • 347 views
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How do I extract JSON data from an API and transform it into a structured table in Power Query?

To extract and transform JSON data from ...READ MORE

Mar 13 in Power BI by anonymous
 • 36,180 points • 259 views
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How can I create a rolling calendar table that updates automatically based on the latest data in my fact table?

You can use either Power Query or ...READ MORE

Mar 13 in Power BI by anonymous
 • 36,180 points • 304 views
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How do I create a Power Query function that dynamically adjusts based on input parameters?

If you want to build a Power ...READ MORE

Mar 13 in Power BI by anonymous
 • 36,180 points • 268 views
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I have a dataset where column data types change frequently—how can I create a dynamic transformation process?

To allow for occasional changes to column ...READ MORE

Mar 13 in Power BI by anonymous
 • 36,180 points • 202 views
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How do I handle dynamically changing column names in Power Query without breaking my transformations?

To handle dynamic column names in Power ...READ MORE

Mar 13 in Power BI by anonymous
 • 36,180 points • 275 views
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I need to merge two tables in Power Query but maintain a one-to-many relationship—what’s the best approach?

In Power Query, to merge two tables ...READ MORE

Mar 11 in Power BI by anonymous
 • 36,180 points • 430 views
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How can I unpivot multiple columns dynamically while keeping other columns unchanged in Power Query?

To dynamically unpivot multiple columns in Power ...READ MORE

Mar 11 in Power BI by anonymous
 • 36,180 points • 353 views
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1 answer

My performance analyzer shows a high DAX query time—how can I optimize my measures?

These are the tools you would use ...READ MORE

Mar 11 in Power BI by anonymous
 • 36,180 points • 277 views
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What’s the best way to handle slow row-level security (RLS) filters applied to large datasets?

The implementation of Row-Level Security (RLS) on ...READ MORE

Mar 11 in Power BI by anonymous
 • 36,180 points • 374 views
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1 answer

How can I reduce the dataset size of a Power BI model that keeps hitting memory limits on Power BI Service?

In order to shrink the Power BI ...READ MORE

Mar 11 in Power BI by anonymous
 • 36,180 points • 325 views
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1 answer

Why does my Power BI report take so long to refresh when using multiple complex calculated tables?

Power BI Table Refresh Dynamics Unlike imported tables, ...READ MORE

Mar 11 in Power BI by anonymous
 • 36,180 points • 327 views
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How do I identify and remove inefficient calculated columns in a Power BI dataset?

Here are the best practices for identifying ...READ MORE

Mar 11 in Power BI by anonymous
 • 36,180 points • 242 views
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What’s the best way to index my SQL database to speed up DirectQuery performance in Power BI?

Here's a demo of some effective indexing ...READ MORE

Mar 11 in Power BI by anonymous
 • 36,180 points • 278 views
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How do I create an optimized star schema for Power BI when dealing with high-cardinality dimensions?

Here are a few tips to properly ...READ MORE

Mar 11 in Power BI by anonymous
 • 36,180 points • 278 views
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How do I improve query performance when working with large fact tables in DirectQuery mode?

To increase query performance while working with ...READ MORE

Mar 11 in Power BI by anonymous
 • 36,180 points • 254 views
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1 answer

My Power BI report is slow when using multiple DISTINCTCOUNT() measures—what optimization techniques should I use?

Here are a few ways to tune ...READ MORE

Mar 10 in Power BI by anonymous
 • 36,180 points • 294 views
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1 answer

How can I reduce the memory usage of a complex DAX calculation that involves multiple SUMX() iterations?

To reduce memory usage in a complex ...READ MORE

Mar 10 in Power BI by anonymous
 • 36,180 points • 268 views
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1 answer

How do I dynamically switch measures in Power BI based on a slicer selection while maintaining performance?

To dynamically switch between different measures in ...READ MORE

Mar 10 in Power BI by anonymous
 • 36,180 points • 325 views
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1 answer

I want to calculate the distinct count of active customers but only for the last three completed months—how can I do this in DAX?

To calculate the distinct count of active ...READ MORE

Mar 10 in Power BI by anonymous
 • 36,180 points • 330 views
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1 answer

How can I optimize a SUMX() function that is performing poorly on large datasets?

To optimize a SUMX() function for large ...READ MORE

Mar 10 in Power BI by anonymous
 • 36,180 points • 250 views
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1 answer

I need to compute a year-over-year (YoY) growth rate but only for months where I have data in both years—how do I do this?

Calculating Year-over-Year (YoY) growth only for those ...READ MORE

Mar 10 in Power BI by anonymous
 • 36,180 points • 265 views
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1 answer

How can I use RANKX() in DAX to rank customers within each region while keeping ties properly handled?

The RANKX() function allows you to rank ...READ MORE

Mar 10 in Power BI by anonymous
 • 36,180 points • 314 views
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1 answer

My calculated column works in Power BI Desktop but breaks when I switch to DirectQuery mode—why?

When switching to DirectQuery mode, the following ...READ MORE

Mar 10 in Power BI by anonymous
 • 36,180 points • 351 views
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1 answer

How can I create a measure that calculates the weighted average of a column dynamically based on slicer selections?

Using SUMX and DIVIDE in DAX, a ...READ MORE

Mar 10 in Power BI by anonymous
 • 36,180 points • 342 views
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1 answer

How do I handle many-to-many relationships in Power BI without creating ambiguous relationships in the model?

Best practices concerning model management should be ...READ MORE

Mar 10 in Power BI by anonymous
 • 36,180 points • 260 views
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1 answer

I need to calculate a running total but reset it at the start of each new quarter—how can I achieve this in DAX?

To calculate a running total that resets ...READ MORE

Mar 7 in Power BI by anonymous
 • 36,180 points • 412 views
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1 answer

How can I create a dynamic date range filter that automatically adjusts based on user-selected slicer values?

To create a dynamic date range filter ...READ MORE

Mar 7 in Power BI by anonymous
 • 36,180 points • 378 views
0 votes
1 answer

Your Power BI dataset has millions of rows and is causing memory issues. How can you reduce the dataset size without losing key insights?

Here are a few cutting-edge optimization techniques ...READ MORE

Mar 7 in Power BI by anonymous
 • 36,180 points • 344 views
0 votes
1 answer

A dataset contains customer transactions, and your report is aggregating data at multiple levels (daily, monthly, and yearly). Should you use Import Mode or DirectQuery for optimal performance?

The alternative between import mode and DirectQuery ...READ MORE

Mar 7 in Power BI by anonymous
 • 36,180 points • 272 views
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1 answer

Your dataset contains multiple fact tables (Sales, Inventory, and Finance). Should you create relationships between them directly, or use a bridge table? Why?

In the handling of multiple fact tables ...READ MORE

Mar 7 in Power BI by anonymous
 • 36,180 points • 284 views
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1 answer

Your Power BI report is slow when switching slicer values, and your DAX measures are using FILTER extensively. What steps can you take to improve performance?

Fix Slicer Performance in Power BI Using ...READ MORE

Mar 6 in Power BI by anonymous
 • 36,180 points • 302 views
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1 answer

You are working with a large dataset (10M+ rows) and your Power BI report is taking too long to refresh. How can you optimize it for better performance?

For large data sets (10 million rows ...READ MORE

Mar 6 in Power BI by anonymous
 • 36,180 points • 332 views
0 votes
1 answer

A client needs a map visualization showing sales per city, but the dataset lacks latitude/longitude coordinates. How can you ensure accurate city placement in Power BI?

Accurate city placement in Power BI maps ...READ MORE

Mar 6 in Power BI by anonymous
 • 36,180 points • 221 views
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1 answer

The client wants a KPI card that displays “Sales Performance” in red if below target, yellow if close, and green if above target. How can you achieve this in Power BI?

To create a KPI card with conditional ...READ MORE

Mar 6 in Power BI by anonymous
 • 36,180 points • 269 views
0 votes
1 answer

Your report contains multiple visuals, but users are getting confused when they filter data because they don’t know which filters are applied. How can you improve the user experience?

The following are some best practices that ...READ MORE

Mar 6 in Power BI by anonymous
 • 36,180 points • 231 views
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1 answer

Implementing a Slicer to Toggle Between Daily, Monthly, and Yearly Sales Aggregation

1. Create an Aggregation Table with values: ...READ MORE

Mar 5 in Power BI by anonymous
 • 36,180 points • 307 views
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1 answer

Creating a Dynamic Table for the Top 5 Selling Products per Region

As data on what to update was ...READ MORE

Mar 5 in Power BI by anonymous
 • 36,180 points • 268 views
0 votes
1 answer

Filling Missing Values with the Previous Available Value in Power Query

This guide for filling missing values with ...READ MORE

Mar 5 in Power BI by anonymous
 • 36,180 points • 372 views
0 votes
1 answer

Handling Text-Based Date Columns with Errors in Power Query

To correctly transform a text-based date column ...READ MORE

Mar 5 in Power BI by anonymous
 • 36,180 points • 462 views
0 votes
1 answer

Removing Duplicate Transactions While Keeping the Latest Entry

An approach to eliminate duplicate transactions while ...READ MORE

Mar 5 in Power BI by anonymous
 • 36,180 points • 245 views
0 votes
1 answer

Standardizing Customer Names to Proper Case in Power Query

To standardize customer names to Proper Case ...READ MORE

Mar 5 in Power BI by anonymous
 • 36,180 points • 320 views
0 votes
1 answer

Automating Monthly Sales Data Consolidation from SharePoint

Power Query has been used to automate ...READ MORE

Mar 5 in Power BI by anonymous
 • 36,180 points • 196 views
0 votes
1 answer

Comparing Year-to-Date (YTD) vs. Previous Year YTD in a Financial Dashboard

The approach to creating such a comparison ...READ MORE

Mar 5 in Power BI by anonymous
 • 36,180 points • 239 views
0 votes
1 answer

Calculating Average Customer Purchase Frequency with Unique Customerspo

To accurately calculate the Average Customer Purchase ...READ MORE

Mar 5 in Power BI by anonymous
 • 36,180 points • 312 views
0 votes
1 answer

Categorizing Employees Based on Sales Performance

In this classification, one should employ a ...READ MORE

Mar 5 in Power BI by anonymous
 • 36,180 points • 223 views
0 votes
1 answer

How to Calculate Dynamic Regional Sales Percentage in DAX?

To compute the percentage of total sales ...READ MORE

Mar 3 in Power BI by anonymous
 • 36,180 points • 224 views
0 votes
1 answer

How to Calculate Total Sales for the Last 3 Months Dynamically in DAX?

To dynamically calculate total sales for the ...READ MORE

Mar 3 in Power BI by anonymous
 • 36,180 points • 326 views
0 votes
1 answer

Is it possible to store data in Power BI statically so that it remains unchanged after a data refresh? If so, how can this be implemented?

Yes, you can retain specific data in ...READ MORE

Mar 3 in Power BI by anonymous
 • 36,180 points • 257 views
0 votes
1 answer

Is there a way in Power BI Desktop to transform multiple text column values into a single row, grouped by another column?

Yes, you can transform multiple text values ...READ MORE

Mar 3 in Power BI by anonymous
 • 36,180 points • 252 views
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