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博客园 - 南国之恋

系统技术栈 解决delphi7在win10上安装后无法正常使用的问题 windows服务器C盘空间清理,发现大文件,可用!AutoCleanC_DeepScan 查看分区表大小 系统表空间清理 postman调用deepseek webapi 将Nginx安装为windows服务,下载nssm 单词系列2 2025高考英语高频易错词汇分类速记 vs2019 本地源“C:\Program Files\DevExpress 22.2\Components\System\Components\Packages”不存在 - 南国之恋 plsql查询oracle数据表时,将备注显示成列名 生成脚本 达梦数据库学习记录 oracle密码过期问题,用户锁定问题 Delphi 7 编译软件申请管理员权限 mysql odbc delphi连接问题 调用Exe程序并且出现界面 CreateProc(ProcessName:String) c# winform exe.config不能更新 frp(fast reverse proxy)是一款高性能的反向代理应用 GitHub上整理的一些工具 Kettle 中文名称叫水壶
mysql数据库定时事件
南国之恋 · 2025-02-26 · via 博客园 - 南国之恋

CREATE PROCEDURE DELETE_Data()
BEGIN
delete FROM `new_energy_plc` where INPUTTIME<date_add(now(),interval-6 day);
delete from cd_ret_well_collect where INPUTTIME<date_add(now(),interval-6 day);
delete from new_energy_plc where INPUTTIME<date_add(now(),interval-6 day);
delete from microgrid_energy_storage_pry where INPUTTIME<date_add(now(),interval-6 day);
delete from photovoltaic_pv where sample_time<date_add(now(),interval-6 day);
delete from energy_storage_battery where sample_time<date_add(now(),interval-6 day);
delete from energy_storage_inverter where sample_time<date_add(now(),interval-6 day);
delete from anti_islanding where sample_time<date_add(now(),interval-6 day);
END;

CREATE EVENT IF NOT EXISTS DELETE_EVENT
ON SCHEDULE EVERY 1 DAY STARTS '2025-02-25 21:30:00'
ON COMPLETION PRESERVE
do call DELETE_Data();