lok*_*oki 1 sql t-sql sql-server sql-server-2005
我知道如何将nvarchar转换为十进制(18,4)Cast方法.我的表行数为80000.我的查询在下面运行完美...
SELECT top 80000 id, Cast(MH as decimal(18,4)) as MH
FROM TaskRelations WHERE MH is not null
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但;
但下面选择查询不工作!如果写在下面:
SELECT id, Cast(MH as decimal(18,4)) as MH
FROM TaskRelations WHERE MH is not null
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错误:将数据类型nvarchar转换为数字时出错.
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