How does SQL Max handle NULL?

MAX ignores any null values. MAX returns NULL when there is no row to select.

Is NULL max or min SQL?

By default the functions MAX and MIN do not count NULL in their evaluation of your data. If we have a column containing only dates for instance and there is a NULL date, MAX and MIN will both ignore that value.

Does MIN ignore NULL values?

MIN ignores any null values. With character data columns, MIN finds the value that is lowest in the sort sequence.

Does group by ignore NULL values?

Group functions ignore the NULL values in the column. To enforce the group functions ti include the NULL value, use NVL function.

Is 1 NULL in SQL?

Because the result of any arithmetic comparison with NULL is also NULL , you cannot obtain any meaningful results from such comparisons. In MySQL, 0 or NULL means false and anything else means true. The default truth value from a boolean operation is 1 .

Does Min return NULL?

The MIN function returns a NULL value if and only if there are only NULL values in the set.

When to use null as Max or Min?

How to set null value to highest value?

You might be able to solve this to set a “dummy” value to the NULL value. This way you can select the NULL value as the highest date. Thanks for contributing an answer to Database Administrators Stack Exchange!

How to average null values in a table?

You may want to average NULL values as zero so using SELECT AVG (COALESCE (column, 0)) FROM Table will accomplish that. Then any NULL will be treated as a zero.

How to change date back to null in SQL?

Wrap that in a CASE statement to replace the date 12/31/2099 back to NULL and group our data by StoreID. Not the most eligant way to do things, but it defeinitely gets the job done.

How does SQL Max handle NULL? MAX ignores any null values. MAX returns NULL when there is no row to select. Is NULL max or min SQL? By default the functions MAX and MIN do not count NULL in their evaluation of your data. If we have a column containing only dates for instance and…