Null value is greater than the current date

CodePudding user response:

null value is greater than the current date

No more than
Is not the same as
Not less than

CodePudding user response:

Supplement: however, the order by clause have null values will be on or before the last of the grammar

CodePudding user response:

Oracle to be available for the logic relationship of null fields do take extra care, such as & lt;> , & gt; ,=, & lt; , any result with null returns false

CodePudding user response:

Not, it is better to handle null values, then the query,

CodePudding user response:

A null value represents is empty, not be compared with date and