https://systemmanagement.ro/tags/dax/ Recent content in DAX on System Management Hugo en-us Mon, 25 Jun 2018 08:36:50 +0300 https://systemmanagement.ro/what-and-when-dateadd-vs-parallelperiod-vs-sameperiodlastyear/ Wed, 30 May 2018 08:28:36 +0300 https://systemmanagement.ro/what-and-when-dateadd-vs-parallelperiod-vs-sameperiodlastyear/ Reza Rad over at <a href="http://radacad.com/dateadd-vs-parallelperiod-vs-sameperiodlastyear-dax-time-intelligence-question">http://radacad.com/dateadd-vs-parallelperiod-vs-sameperiodlastyear-dax-time-intelligence-question</a> explains the differences and provides easy usage scenarios for DateAdd, ParallelPeriod and SamePeriodLastYear DAX functions. Read his blog post to see how he reached to below conclusion: DateAdd and SamePeriodLastYear both work based on the DYNAMIC period in the filter context. ParallelPeriod is working STATICALLY based on the interval selected in the… https://systemmanagement.ro/expressions-that-yield-variant-data-type-cannot-be-used-to-define-calculated-columns/ Thu, 26 Apr 2018 20:57:47 +0300 https://systemmanagement.ro/expressions-that-yield-variant-data-type-cannot-be-used-to-define-calculated-columns/ Error: “Expressions that yield variant data-type cannot be used to define calculated columns.“ Cause: IF based Calculated Columns in Power BI or Power Pivot with 2 different data types is not allowed. Solution: Format one data type as needed using FORMAT() function. [code language=”sql”] Age = IF ( TableName[Birthday] &lt; TODAY(), FORMAT ( Year (…