估计阅读时长: 6 分钟 CentOS查看系统版本信息 cat /etc/redhat-release # CentOS Stream release 8 cat /proc/version # Linux version 4.18.0-489.el8.x86_64 (mockbuild@x86-05.stream.rdu2.redhat.com) (gcc […]
估计阅读时长: 8 分钟 https://github.com/xieguigang/Darwinism 对于LINQ数据查询引擎而言，其可以接收任意类型的数据源，进行数据查询。只要存在有相对应的数据源驱动程序即可。 Order by Date Name Attachments sqlite • 18 kB • 144 click 19.06.2021sqlite-contents • […]
估计阅读时长: 11 分钟 https://github.com/xieguigang/Darwinism LINQ（Language Integrated Query）技术是一种语言集成查询，即LINQ是VisualBasic语言之中的一种语法。其由微软公司于.NET Framework 3.5引入的一种SQL查询语言非常相似的数据查询语法。 Order by Date Name Attachments query • 51 kB • […]
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查询字符串以["起始，以"]结尾： SELECT * FROM biodeepdb_full.metabolite WHERE INSTR(name, '["') = 1 AND INSTR(name, '"]') = LENGTH(name) - LENGTH('"]') + 1 ORDER…
删除mysql表中重复的行数据 ``` delete t1 from metabolite t1 where t1.id in (select t2.id from (select id, `name`, formula, hashcode2, row_number() over(partition…
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