Power Bl: Stop Manually Creating Date Tables - Use ChatGPT!
Автор: Power Guides by Adair-Major Consulting
Загружено: 2025-05-11
Просмотров: 256
Perfect for Power BI beginners! Unlock custom Power BI date tables in seconds! Watch how AI writes the DAX for you. Fast, easy, and ideal for any report. #powerbi #ai #datetable #dax
AI PROMPT used in the Video: 🎯 Role: Power BI DAX expert. Goal: Help create a dynamic DAX Date Table. 🗣️ FIRST: Before generating DAX, ask: "Table name for dynamic date range? (e.g., Sales)" "Date column name in that table? (e.g., OrderDate)" Await my response. Use these names for USER_TABLE_NAME_PLACEHOLDER (this is the table name) and USER_DATE_COLUMN_PLACEHOLDER (this is the column name) in the DAX logic. 🏁 Post-Input Goal: Generate complete DAX for a 'DateTable' in Power BI. 📊 Data Source: Date range is dynamic, from MIN to MAX of the USER_DATE_COLUMN_PLACEHOLDER column within the USER_TABLE_NAME_PLACEHOLDER table. ⚙️ DAX Requirements: IMPORTANT AI NOTE ON DAX SYNTAX: "The base Date column" mentioned below refers to the primary date column generated by the CALENDAR function (this column is typically named 'Date' in the final DAX table). In the DAX code you generate, all column and measure references MUST be enclosed in standard square brackets. I will use the terms SQUARE_BRACKET_OPEN and SQUARE_BRACKET_CLOSE in this prompt to represent the literal characters. You must replace these terms with the actual square bracket characters in your DAX output. For example, a reference to a column named 'Date' should appear in your DAX as SQUARE_BRACKET_OPENDateSQUARE_BRACKET_CLOSE. A reference to the column USER_DATE_COLUMN_PLACEHOLDER within the table USER_TABLE_NAME_PLACEHOLDER should appear in your DAX as 'USER_TABLE_NAME_PLACEHOLDER'SQUARE_BRACKET_OPENUSER_DATE_COLUMN_PLACEHOLDERSQUARE_BRACKET_CLOSE` (with single quotes around the table name if it contains spaces or special characters). The column definitions below will describe the logic conceptually. You must translate these descriptions into valid DAX using actual square brackets for all column references, as instructed above. Create 'DateTable' with these columns (all derived from "the base Date column" unless otherwise specified): Date: The base date column itself. Data type: Date. (This column is the direct output of the CALENDAR function, which will be based on the MIN and MAX of the USER_DATE_COLUMN_PLACEHOLDER column in the USER_TABLE_NAME_PLACEHOLDER table). Year: Numeric calendar year. (Logic: YEAR function applied to the base Date column, e.g., YEAR(SQUARE_BRACKET_OPENDateSQUARE_BRACKET_CLOSE`) ). Month Number: Numeric month (1-12). (Logic: MONTH function applied to the base Date column). Month Name: Full text month name. (Logic: FORMAT function applied to the base Date column, using "MMMM"). Month Name Short: Short text month name. (Logic: FORMAT function applied to the base Date column, using "MMM"). Calendar Quarter Number: Numeric quarter (1-4). (Logic: QUARTER function applied to the base Date column). Calendar Quarter: Text (e.g., "Q1"). (Logic: "Q" combined with QUARTER function result for the base Date column). Day of Week Number: Numeric (Mon=1, Sun=7). (Logic: WEEKDAY function applied to the base Date column, parameter 2). Day of Week Name: Full text name. (Logic: FORMAT function applied to the base Date column, using "dddd"). Day of Week Name Short: Short text name. (Logic: FORMAT function applied to the base Date column, using "ddd"). Year Month: Text for sorting (e.g., "2024-01"). (Logic: FORMAT function applied to the base Date column, using "YYYY-MM"). Week Number: Numeric (week starting Mon). (Logic: WEEKNUM function applied to the base Date column, parameter 2). Day of Month: Numeric. (Logic: DAY function applied to the base Date column). Month Year: Text (e.g., "Jan 2024"). (Logic: FORMAT function applied to the base Date column, using "MMM yy" or "MMM yyyy" if full year preferred). Day Type: Text: "Weekend" or "Weekday". (Logic: IF WEEKDAY of base Date column (parameter 2) greater or equal to 6, THEN "Weekend", ELSE "Weekday"). ISO Weeknumber: Text ('YYYY-Www'). (Logic for year part: YEAR of (base Date column - WEEKDAY of base Date column (parameter 2) + 4). Logic for week part: FORMAT WEEKNUM of base Date column (parameter 21) as "00". Combine as "YYYY-Www"). Week Ending Date: Date (e.g., Sunday). (Logic: base Date column + 7 - WEEKDAY of base Date column (parameter 2)). Output only the DAX code block. This code must use ADDCOLUMNS and CALENDAR. The CALENDAR function's arguments should be the MIN and MAX of the USER_DATE_COLUMN_PLACEHOLDER column from the USER_TABLE_NAME_PLACEHOLDER table. Your DAX expression for this part should effectively be: CALENDAR(MIN('USER_TABLE_NAME_PLACEHOLDER'SQUARE_BRACKET_OPENUSER_DATE_COLUMN_PLACEHOLDERSQUARE_BRACKET_CLOSE), MAX('USER_TABLE_NAME_PLACEHOLDER'SQUARE_BRACKET_OPENUSER_DATE_COLUMN_PLACEHOLDERSQUARE_BRACKET_CLOSE)) Remember to replace SQUARE_BRACKET_OPEN and SQUARE_BRACKET_CLOSE with actual SQUARE BRACKET characters in your final DAX output.
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