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select * from plat_material_resource where stl_url LIKE ‘/data1/upload%‘ --截取字符串 UPDATE plat_material_resource SET stl_url = RIGHT ( stl_url, LENGTH(stl_url) - LENGTH(‘/data1/upload‘) ) WHERE stl_url LIKE ‘/data1/upload%‘
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原文地址：http://www.cnblogs.com/ephuizi/p/5194589.html
