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03. 行列转换写法小结

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Release： 2016-06-07 17:42:31
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行列转换，通常有2种方法，一是CASE WHEN/UNION；一是PIVOT/UNPIVOT。对于行值或列数不固定的情况，需要用动态SQL。 一. 行转列 RowToCol(ID int ,Code varchar ( 10 ),Value int ) Go insert RowToCol ,,,,,,,,,,,,,RowToCol

行列转换，通常有2种方法，香港空间，美国空间，美国服务器，一是CASE WHEN/UNION；一是PIVOT/UNPIVOT。对于行值或列数不固定的情况，需要用动态SQL。


一. 行转列

RowToCol ( ID int, Code varchar(10), Value int ) Go insert RowToCol ,,,,,,,,,,,,,RowToCol

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