MySQL remove duplicates from big database quick(MySQL快速从大数据库中删除重复项)

Are there disadvantages to using a generic varchar(255) for all text-based fields?(对所有基于文本的字段使用通用 varchar(255) 是否有缺点?)

How to skip columns in CSV file when importing into MySQL table using LOAD DATA INFILE?(使用 LOAD DATA INFILE 导入 MySQL 表时如何跳过 CSV 文件中的列?)

MySQL delete duplicate records but keep latest(MySQL删除重复记录但保持最新)

How can I speed up a MySQL query with a large offset in the LIMIT clause?(如何在 LIMIT 子句中使用大偏移量加速 MySQL 查询?)

Can I reuse a calculated field in a SELECT query?(我可以在 SELECT 查询中重用计算字段吗?)

ERROR: Loading local data is disabled - this must be enabled on both the client and server sides(错误:加载本地数据被禁用 - 这必须在客户端和服务器端启用)

SQL: selecting rows where column value changed from previous row(SQL:选择列值从上一行更改的行)

How to prepend a string to a column value in MySQL?(如何在 MySQL 中将字符串添加到列值之前?)

Add Auto-Increment ID to existing table?(将自动递增 ID 添加到现有表?)

Which SQL query is better, MATCH AGAINST or LIKE?(哪个 SQL 查询更好，MATCH AGAINST 还是 LIKE?)

How to get the latest record in each group using GROUP BY?(如何使用GROUP BY获取每个组中的最新记录?)

How to enable MySQL client auto re-connect with MySQLdb?(如何启用 MySQL 客户端与 MySQLdb 的自动重新连接?)

Cast int to varchar(将 int 转换为 varchar)

Group mysql query by 15 min intervals(以 15 分钟为间隔对 mysql 查询进行分组)

How to design a multi tenant mysql database(如何设计一个多租户的mysql数据库)

DOUBLE vs DECIMAL in MySQL(MySQL 中的 DOUBLE 与 DECIMAL)

Fixing quot;Lock wait timeout exceeded; try restarting transactionquot; for a #39;stuckquot; Mysql table?(修复“超出锁定等待超时；尝试重新启动事务对于“卡住mysql表?)

Error renaming a column in MySQL(重命名 MySQL 中的列时出错)

How do I retrieve my MySQL username and password?(如何找回我的 MySQL 用户名和密码?)