mysql事務執行時間過長引發死鎖

http://blog.csdn.net/lin_credible/article/details/8541195html http://www.51testing.com/html/16/390216-838016.htmlsql http://www.jb51.net/article/32651.htmapp 1.優化sql事務，減小事務鎖的時間優化

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