Sql where clause with null

Search related threads. Remove From My Forums. Answered by:. Archived Forums. This is the place for advice and discussions 0 0. Sign in to vote. Maybe I'm just doing this the wrong way. I have a column, let's say it is TerminationDate for employees.

How could I do that? Suggestions, I feel like I'm making some foolish mistake and just not seeing it? Monday, September 22, PM. Can you elaborate a bit on the expression not being searchable? The Overflow Blog. Podcast Making Agile work for data science. Stack Gives Back Featured on Meta. New post summary designs on greatest hits now, everywhere else eventually. Related Hot Network Questions. Question feed. Phill - it was an order of operations problem. Erwin Brandstetter Erwin Brandstetter k gold badges silver badges bronze badges.

Ove Halseth Ove Halseth 4 4 silver badges 12 12 bronze badges. A little explanation would be helpful to future readers. How does your code help solve the issue? Piotr Dobrogost Sushant Butta Sushant Butta 5 5 silver badges 8 8 bronze badges. Not sure how many of use have experienced this problem, but I had this exact issue mixing nulls and NOT IN operator and was scwabbling over it for the past two hour. THIS is the perp The link is dead. The like is alive now. First Query: The first query will be handled internally something like this.

Beware of NULL!! Excellent answer. I have just discovered the problem in my work. Very very strange behavior of Oracle. This is similar to Ove Halseth's answer using coalesce. Roger Rowe Roger Rowe 1 2 2 bronze badges. Sign up or log in Sign up using Google.

Sign up using Facebook. The escape character overrides the meaning of the underscore as the wildcard character and leaves it to be interpreted as an ordinary character. The result contains no rows because there are no project names that include the underscore character.

Skip to main content Skip to primary sidebar Skip to secondary sidebar. For this reason, if any wildcard character must stand for itself, using the ESCAPE operator instead of a pair of square brackets is recommended.