摘要:
一次插入操作报如下错误 com.mysql.jdbc.MysqlDataTruncation: Data truncation: #22001 是说字段值长度超过限制。 MySQL TEXT数据类型的最大长度 TINYTEXT 256 bytes TEXT 65,535 bytes ~64kb ME 阅读全文
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在Navicat Premium中执行Mysql的一条删除语句,虽然执行成功了,却提示已下错误: 受影响的行: 1 时间: 0.005s [Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and conta 阅读全文
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1.存在莫数据库,则删除创建一个新库 drop database if exists `tpm_business`;CREATE DATABASE tpm_business DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci; 操作如图,先删后建数据 阅读全文
摘要:
转自 https://blog.csdn.net/xxwd12/article/details/98882461 1、Failed to load http://xx.com/mobile/service: The 'Access-Control-Allow-Origin' header conta 阅读全文