Does Max work with NULL values?
MAX ignores any null values. MAX returns NULL when there is no row to select.
Does Min and Max ignore NULL values?
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.
Can Date fields be NULL?
empty dates are easier in php/mysql. You don’t have the “where field is null” to handle. However, you have to “manually” transform the ‘0000-00-00 00:00:00’ date in ” to display empty fields. (to store or search you don’t have special case to handle for zero dates, which is nice).
How do I give a date a NULL value in SQL?
“NULL” can be specified as a value in the Date field to get an empty/blank by using INSERT statement. Example: CREATE table test1 (col1 date); INSERT into test1 values (NULL);
Can date be null in Java?
IMO, you cannot create an empty Date(java. util) . You can create a Date object with null value and can put a null check.
When to use null as Max or Min?
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.
When does Max return NULL in Transact SQL?
MAX returns NULL when there is no row to select. For character columns, MAX finds the highest value in the collating sequence. MAX is a deterministic function when used without the OVER and ORDER BY clauses.
When does Max return NULL in the collating sequence?
MAX returns NULL when there is no row to select. For character columns, MAX finds the highest value in the collating sequence. MAX is a deterministic function when used without the OVER and ORDER BY clauses. It is nondeterministic when specified with the OVER and ORDER BY clauses.
Is there anyway to get max ( ) function to sort null as high?
Is there anyway to get max () function to sort NULL as high? This query works, but drops the row where end date is NULL. This query fixes that, but now I have a “dummy” end date value (9/9/9999). Something I would rather not have to code around.