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Regular Visitor

## MIN from four different tables

Hi I need a DAX formula to calculate min value (time in this ex) from four different columns that are in different tables.

The problem is when the MIN measure returns blank, so simple min(min ();min()) is not working. Please help!

1 ACCEPTED SOLUTION

Accepted Solutions
Super Contributor

## Re: MIN from four different tables

Hi @blazko,

Based on my test, the formula should work in your scenario.

```Measure =
MAXX (
UNION (
SELECTCOLUMNS ( Table1, "Date", Table1[Date1] ),
SELECTCOLUMNS ( Table2, "Date", Table2[Date2] ),
SELECTCOLUMNS ( Table3, "Date", Table3[Date3] ),
SELECTCOLUMNS ( Table4, "Date", Table4[Date4] )
),
[Date]
)
```

Remark: just replace the bold with your real table name and column name.

Regards

2 REPLIES 2
Super Contributor

## Re: MIN from four different tables

Hi @blazko,

Based on my test, the formula should work in your scenario.

```Measure =
MAXX (
UNION (
SELECTCOLUMNS ( Table1, "Date", Table1[Date1] ),
SELECTCOLUMNS ( Table2, "Date", Table2[Date2] ),
SELECTCOLUMNS ( Table3, "Date", Table3[Date3] ),
SELECTCOLUMNS ( Table4, "Date", Table4[Date4] )
),
[Date]
)
```

Remark: just replace the bold with your real table name and column name.

Regards

Regular Visitor

Thank You!