您的数据库脚本似乎正在尝试创建表中已存在的列.
检查您的SQL脚本,只有在该列尚不存在时添加该列:
IF NOT EXISTS(SELECT * FROM sys.columns WHERE Name = 'ColumnName'
AND object_id = OBJECT_ID('YourTableName'))
BEGIN
ALTER TABLE dbo.YourTableName
ADD ColumnName INT -- or whatever it is
END
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