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45 lines
843 B
Markdown
45 lines
843 B
Markdown
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##### Q5:When I Chat Data and Chat Meta Data, I found the error
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<p align="left">
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<img src="../../assets/faq/chatdataerror.png" width="800px" />
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</p>
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##### A5: you have not create your database and table
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1.create your database.
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```bash
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mysql> create database {$your_name}
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mysql> use {$your_name}
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```
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2.create table {$your_table} and insert your data.
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eg:
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```bash
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mysql>CREATE TABLE `users` (
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`id` int NOT NULL AUTO_INCREMENT,
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`username` varchar(50) NOT NULL COMMENT '用户名',
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`password` varchar(50) NOT NULL COMMENT '密码',
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`email` varchar(50) NOT NULL COMMENT '邮箱',
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`phone` varchar(20) DEFAULT NULL COMMENT '电话',
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PRIMARY KEY (`id`),
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KEY `idx_username` (`username`) COMMENT '索引：按用户名查询'
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) ENGINE=InnoDB AUTO_INCREMENT=101 DEFAULT CHARSET=utf8mb4 COMMENT='聊天用户表'
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```
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