Power BI and DAX tutorials built on real data, with every measure result checked before publication. 2026-11-11T00:00:00-07:00 https://queryandchart.com/ https://queryandchart.com/guides/date-table-dax/ 2026-11-11T00:00:00-07:00

Build a date table in DAX with CALENDAR and ADDCOLUMNS: 731 rows, 1 January 2024 to 31 December 2025, no gaps. February 2024 has 29 days; February 2025 has 28. Results verified by identical generation in Python.

https://queryandchart.com/guides/category-share-of-total/ 2026-11-11T00:00:00-07:00

Category share of total with one DIVIDE measure and ALL. January–October 2025: Desks 46.4%, Chairs 33.8%, Lamps 19.8%. Results verified by identical aggregation in Python against the same CSV.

https://queryandchart.com/guides/year-to-date-sales/ 2026-11-11T00:00:00-07:00

Year-to-date sales with TOTALYTD and YTD versus last year. Year to date through October 2025: $122,707 against $96,456 a year earlier, +27.2%. Results verified by identical aggregation in Python against the same CSV.

https://queryandchart.com/guides/month-over-month-moving-average/ 2026-11-11T00:00:00-07:00

Month-over-month change with PREVIOUSMONTH and a 3-month moving average with AVERAGEX over DATESINPERIOD. October 2025: $13,436 against $13,415 in September, +0.16%; the 3-month moving average is $13,377. Results verified by identical aggregation in Python against the same CSV.

https://queryandchart.com/guides/year-over-year-sales/ 2026-11-10T00:00:00-07:00

Three DAX measures on a calendar table: Total Sales, Sales PY with SAMEPERIODLASTYEAR, and YoY % Change. October 2025: $13,436 against $10,995 a year earlier, +22.2%. Results verified by identical aggregation in Python against the same CSV.

https://queryandchart.com/guides/running-total-rank/ 2026-11-10T00:00:00-07:00

One CALCULATE measure for the running total and one RANKX measure for the category rank. The 2025 running total reaches $122,707 by October; Desks ranks first at $56,959. Results verified by identical aggregation in Python against the same CSV.