SQL , SQL QUERIES
I have the following condition:
if column is NULL, or have value like
ABC then the result should be
I need help how to put three in one condition like below. Just confused with NULL value. And it is string in column.
JobAssessStage ='Unassessed','','ABC' JobAssessStage in ('Unassessed','','ABC')
Use below condition with is null
JobAssessStage in ('Unassessed','ABC') or JobAssessStage is null
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case when for multiple condition
select case when JobAssessStage in ('Unassessed','ABC') or JobAssessStage is null then 'I' else 'You' End from yourtable
In some cases you can use also use COALESCE function (it returns the first non-null expression in a list) on JobAssessStage field:
COALESCE(JobAssessStage, 'X') in ('Unassessed','ABC','X')
If JobAssessStage is NULL with COALESCE the value you're testing becomes X.
I told you "in some cases" because you have to be sure that the value you have chosen (X) is not a value that your field can take.
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You can formulate your like below:
SELECT * FROM table WHERE 1 = 1 AND (JobAssessStage IN ('Unassessed', 'ABC') OR JobAssessStage IS NULL);
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