Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
344 views
in Technique[技术] by (71.8m points)

sql server - How to set bool value in SQL

I have a column which is bool. How can I set true, false values for that? Here is my query :

Update [mydb].[dbo].[myTable]
SET isTrue =
(
CASE WHEN Name = 'Jason' THEN 1
END
)

I don't know what to write after THEN keyword. Should I write 1 or true or 1 AS BIT or something else?

See Question&Answers more detail:os

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Answer

0 votes
by (71.8m points)

Sql server does not expose a boolean data type which can be used in queries.
Instead, it has a bit data type where the possible values are 0 or 1.
So to answer your question, you should use 1 to indicate a true value, 0 to indicate a false value, or null to indicate an unknown value.

Update [mydb].[dbo].[myTable]
SET isTrue =
CASE WHEN Name = 'Jason' THEN 
    1
ELSE 
    0
END

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...