目录1. 问题背景1.1 错误分析2. 解决方案：字段长度不足（Data too long for column）2.1 方法1：扩大字段长度（推荐）2.2 方法2：优化数据结构（最佳实践）2.3 方法3：程序层截断（临时方案）3. 新问题：索引键超限
Application I work on generates several hundreds of files (csv) in a 15 minutes period of times. and the back end of the application takes these files and process them (updates database with those val
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