解决办法:DROP PROCEDURE _Navicat_Temp_Stored_Proc
1. article_keyword 表中 keyword 重复次数(count) 最多的10条记录SELECT keyword, count( * ) AS countFROM article_keywordGROUP BY keywordORDER BY count DESCLIMIT 102.查询所有重复数据select * from User where (name) in(select
今天的所有数据:select * from 表名 where DateDiff(dd,datetime类型字段,getdate())=0昨天的所有数据:select * from 表名 where DateDiff(dd,datetime类型字段,getdate())=17天内的所有数据:select * from 表名 where DateDiff(dd,datetime类型字段,get...
DELETE consum_recordFROM consum_record, ( SELECT min(id) id, user_id, monetary, consume_time FROM consum_record GROUP BY user_id, monetary, consume_...
导入时,选择编码MAC-Simplified Chinese GB 2312
ALTER TABLE `user` MODIFY COLUMN `amount` decimal (10,6) NOT NULL DEFAULT '0.000000';ALTER TABLE `user` MODIFY COLUMN `frozen`
ALTER TABLE `user` MODIFY COLUMN `amount` decimal (10,6) NOT NULL DEFAULT '0.000000';ALTER TABLE `user` MODIFY COLUMN `frozen` decimal (10,6) NOT NULL DEFAULT '0.000000';alter table `user` MODIFY COLUMN `amount` decimal (10,8) NOT NULL DEFAULT '0.0.
一、MySQL 常用命令1.查看当前所有的数据库show databases;2.打开指定的库use 库名;3.查看当前库的所有表show tables;4.查看指定库的所有数据表show tables from 库名;5.创建表create table 表名( 列名 列类型, 列名 列类型 ...);6.查看表结构desc 表名;...
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