mysql if语句的使用
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mysql实现if语句判断功能的6种使用形式小结
目录前言一、ifnull函数二、nullif函数三、if函数四、if语句（多用于存储过程）五、if-else语句（多用于存储过程）六、if-elseif-else语句（多用于存储过程）总结前言[详细]
2023-11-19 12:26 分类：数据库what to use for repetitive (daily, weekly, monthly) tasks ? Workflows, Windows Services, something else?
I\'ve been writing Windows Services for a while and they always seem to work fine for things that开发者_开发问答 need to run every day, few times a week, once a month, etc. but I\'ve been lately think[详细]
2022-12-28 17:19 分类：问答
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