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problems in insertion

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problems in insertion

Akash Binwal

Akash Binwal

7yAsked Jan 4, 2019, 7:15 AM782Learn iOS Programming

hi folks,

i make the password column not null but still it accept null values while insertion of data. how to resolve this.

thanks :)

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Bryian Tan7y ago
Accepted answer
NULL and empty string are not the same animal. empty string is not NULL. The easiest way is to create a constraint check. Something like below
ALTER TABLE [dbo].[master_login_values] WITH CHECK
ADD CONSTRAINT [CK_username] CHECK (([username]<>N''))
https://stackoverflow.com/questions/4836391/naming-convention-for-unique-constraint
https://stackoverflow.com/questions/5489648/how-to-constraint-no-empty-strings-on-an-nvarchar-column
0
Akash Binwal7y ago
thank you Bryian
0