Error: Failed to connect database.Driver not loaded Driver not loaded
Qt打包好的程序报错：Error: Failed to connect database.Driver not loaded Driver not loaded
后经排查，发现需要把Qt msvc2015_64\plugins\sqldrivers 文件夹拷贝到程序目录下，sqldrivers目录。
运行程序，错误消除。
Succeed to connect database.
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Error: Failed to connect database.Driver not loaded Driver not loaded
原文：https://www.cnblogs.com/herd/p/15237769.html