You can use CASE expressions:
SELECT id,
CASE WHEN id IS NULL THEN 'true' ELSE 'false' END AS id_Description
FROM dbo.Table1
سؤال
i have this values in my table:
id
-----
1
2
null
3
4
null
5
Now I want to run a command similar to the following command:
select id==null from table
And the output should be as follows:
id
-----
false
false
true
false
false
true
false
How do?
المحلول
You can use CASE expressions:
SELECT id,
CASE WHEN id IS NULL THEN 'true' ELSE 'false' END AS id_Description
FROM dbo.Table1