sql server min returns null

That is, if any row has a NULL, we want to force that to be the answer. Onl...

That is, if any row has a NULL, we want to force that to be the answer. Only if no rows contain a NULL should we return the MIN (or MAX).

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First of all, what is your RDBMS? For the ones I tried (MySQL and PostgreSQ...

First of all, what is your RDBMS? For the ones I tried (MySQL and PostgreSQL), MIN ignores NULL. Therefore, I assume your column is of type.

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For MSSQL replace IFNULL with ISNULL or for Oracle use NVL You can also use...

For MSSQL replace IFNULL with ISNULL or for Oracle use NVL You can also use COALESCE (expression [, n ]) - returns first non-null like.

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SELECT least((case when col1 is null or col1 = 0 then least function is tha...

SELECT least((case when col1 is null or col1 = 0 then least function is that you return 0 or NULL or whatever . Oracle Database SQL Reference - NVL: dwn.220.v.ua

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For example a Danish collation would return 'AB' as the minimum v...

For example a Danish collation would return 'AB' as the minimum value NULL compares lower than any non-null values (the ISO/ANSI SQL.

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As per the conversations in the comments, the easiest solution may be to co...

As per the conversations in the comments, the easiest solution may be to convert your empty strings to null, and let the builtin min function do.

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However, when I run sql, the null value show up instead of MIN value. MIN()...

However, when I run sql, the null value show up instead of MIN value. MIN() ignores null values, so the only way to get min(dob) to return a.

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SQL Server. Select NULL AS Max or Min in SQL Query By default the functions...

SQL Server. Select NULL AS Max or Min in SQL Query By default the functions MAX and MIN do not count NULL in their evaluation of your.

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MIN will return the smallest non-NULL value. SQL> with x as (2 select nu...

MIN will return the smallest non-NULL value. SQL> with x as (2 select null dt from dual union all 3 select sysdate from dual 4) 5 select.

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The SQL MIN() and MAX() Functions. The MIN() function returns the smallest ...

The SQL MIN() and MAX() Functions. The MIN() function returns the smallest value of the selected column. The MAX() function returns the largest value of the.

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This tutorial demonstrates how aggregate functions deal with null values. a...

This tutorial demonstrates how aggregate functions deal with null values. aggregate functions like MAX, MIN, and COUNT will return values.

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The COALESCE and ISNULL SQL Server statements handle data type . Access, it...

The COALESCE and ISNULL SQL Server statements handle data type . Access, it is a function that always returns a Boolean based on exactly one input. IF something IS NULL -- do something -- or IF ISNULL(something.

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I have 3 dates one of them could be NULL. I do not want my min to display i...

I have 3 dates one of them could be NULL. I do not want my min to display it as dwn.220.v.ua is my script. Is there a way I could do it?

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The other aggregate functions return NULL in such cases. are no rows, the a...

The other aggregate functions return NULL in such cases. are no rows, the average, maximum and minimum are undefined, but the sum is known to be zero).

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[2]; A boolean comparison between two values involving a NULL returns neith...

[2]; A boolean comparison between two values involving a NULL returns neither true nor false, but unknown in SQL's three-valued.

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