sql server - How to change the data type of a column with query? - Stack Overflow

sql server - How to change the data type of a column with query? - Stack Overflow

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日期:2025-06-08
If ALTER COLUMN doesn't work. It is not unusual for alter column to fail because it cannot make the transformation you desire. In this case, the solution is to create a dummy table TableName_tmp, copy the data over with your specialized transformation in ...看更多