云数据库 RDS MySQL 版基础表操作案例-阿里云

[帮助文档] 在RDS中如何使用轨迹表

当需要针对轨迹进行操作，或是希望将点聚合成为轨迹降低存储成本时，推荐使用轨迹表。

云数据库RDS快速入门

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实时数据接入：5分钟上手 Flink MySQL 连接器

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RDS MySQL 高效设计及性能调优

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MySQL基础-表操作~案例（下）

表操作-修改修改字段名和字段类型ALTER TABLE 表名 CHANGE 旧字段名新字段名类型 (长度) [ COMMENT 注释 ] [ 约束 ];为表juejin中的juejinname字段将名字修改为jjname类型为int(20)备注为掘金用户名删除字段ALTER TABLE 表名 D...

MySQL基础-表操作~案例（上）

设计一张员工信息表，要求如下：编号（纯数字）员工工号 (字符串类型，长度不超过10位)员工姓名（字符串类型，长度不超过10位）性别（男/女，存储一个汉字）年龄（正常人年龄，不可能存储负数）身份证号&#x...

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更新时间 2022-12-22 12:41:52

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