Original: SQL Server remove the default value (default) method
No nonsense -----
For example, to delete the default value student sex table
sp_help student; query results
Find the value of the corresponding constraiont_name
At last
ALTER TABLE student DROP DF__student__sex__34C8D9D1
No nonsense -----
For example, to delete the default value student sex table
sp_help student; query results
Find the value of the corresponding constraiont_name
At last
ALTER TABLE student DROP DF__student__sex__34C8D9D1