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博客园 - baileyer

VisualSVN破解安装到VS2026 使用 SQL 中的递归查询(Recursive CTE)来实现1-50数字 git 忽略本地文件提交(VS) C# 自定义导出模板(NPOI) Abp vue项目找不到模块“./app.vue” MSSqlserver分割文件备份恢复 github的镜像下载加快clone下载速度 widows部署.NET Core 3.1项目到IIS问题 .net core/mvc获取特性 quartz3.0.7和topshelf4.2.1实现任务调度 VS2017同时生成.net core和.net framework两份代码 .net core Failed to load API definition 错误 vs 2017 调试中断问题 .net Core 2.2实现京东宙斯API采用OAuth授权方式调用 WinForm 校验只能输入数字英文字母退格键 NPOI导出excel C#通过反射获取相应的字段和值 activemq.bat 在window7 x64下启动(安装)报错解决方案 <asp:RadioButton> 选项判断
oracle instr 替代like查询
baileyer · 2019-11-29 · via 博客园 - baileyer
函数参数说明:
instr(sourceString,destString,start,appearPosition) instr(
'源字符串' , '目标字符串' ,'开始位置','第几次出现') 使用: instr(title,'aaaaa')>0 相当于 title like '%aaaaa%' instr(title,'aaaaa')=1 相当于 title like 'aaaaa%' instr(title,'aaaaa')=0 相当于 title not like '%aaaaa%'

posted @ 2019-11-29 09:41  baileyer  阅读(215)  评论(0)    收藏  举报