Help please, Im using SQL server Management Studio Express and i want to change the default value of a varchar(50) column.
i want the defaultdate to be like this
'5/04/2007 11:15 pm System generated'
So i have tried to do this:
(getDate())+'Sy stem generated'
(getdate()).'Sy stem generated'
but neither seem to work
these two actually put the entire string as the default value so the default values are
(getDate())+'Sy stem generated'
(getdate()).'Sy stem generated'
is there something that i am missing
Also, is there a way that i can make the default value = another field in the table so the default value would be another field
2  11233  iburyak 1,017
Recognized Expert Top Contributor
Change default to this:
[PHP]DEFAULT Convert(varchar (20),getdate(), 100) + ' System generated'[/PHP]
No, another column can not be a default. But you can write a trigger over this table to change value of a column.
Good Luck.
Change default to this:
[PHP]DEFAULT Convert(varchar (20),getdate(), 100) + ' System generated'[/PHP]
No, another column can not be a default. But you can write a trigger over this table to change value of a column.
Good Luck.
Thanks, I know how to do it in PHP, i did some research, and your right, you cant dynamically create a unique default value
Anyway Ive figured out a solution, whoever made the table set up two fields, one called SampleNumber, and one called SampleNumberNul l
SampleNumberNul l uses this computed Column Spec -
(case when [SampleNumber] IS NULL then [ID] else (0) end)
which in reality holds the default value that for samplenumber.
ID is the primary key autonumber
So what i did is and update query - UPDATE Table SET SampleNumber = SampleNumberNull WHERE SampleNumber IS NULL
which will make all the samplenumber not null, now i just have to find the right spot in the code to execute it...
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