<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[MJ985464的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/MJ985464</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; MJ985464]]></copyright><item><title><![CDATA[K-摇臂赌博机 第3关：Softmax]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/144478128</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/144478128</guid><author>MJ985464</author><pubDate>Sat, 14 Dec 2024 22:52:46 +0800</pubDate><description><![CDATA[【代码】K-摇臂赌博机 第3关：Softmax。]]></description><category></category></item><item><title><![CDATA[K-摇臂赌博机 第2关：ϵ -贪心]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/144478084</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/144478084</guid><author>MJ985464</author><pubDate>Sat, 14 Dec 2024 22:50:22 +0800</pubDate><description><![CDATA[【代码】K-摇臂赌博机 第2关：ϵ -贪心。]]></description><category></category></item><item><title><![CDATA[K-摇臂赌博机]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/144478048</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/144478048</guid><author>MJ985464</author><pubDate>Sat, 14 Dec 2024 22:47:56 +0800</pubDate><description><![CDATA[【代码】K-摇臂赌博机。]]></description><category></category></item><item><title><![CDATA[第3关：策略迭代与值迭代]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/144477982</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/144477982</guid><author>MJ985464</author><pubDate>Sat, 14 Dec 2024 22:44:01 +0800</pubDate><description><![CDATA[【代码】第3关：策略迭代与值迭代。]]></description><category></category></item><item><title><![CDATA[第2关：策略改进]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/144477892</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/144477892</guid><author>MJ985464</author><pubDate>Sat, 14 Dec 2024 22:38:41 +0800</pubDate><description><![CDATA[【代码】第2关：策略改进。]]></description><category></category></item><item><title><![CDATA[有模型学习]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/144477858</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/144477858</guid><author>MJ985464</author><pubDate>Sat, 14 Dec 2024 22:36:09 +0800</pubDate><description><![CDATA[【代码】有模型学习。]]></description><category></category></item><item><title><![CDATA[强化学习及其关键元素]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/144477744</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/144477744</guid><author>MJ985464</author><pubDate>Sat, 14 Dec 2024 22:30:15 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[第1关：强化学习分类]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/144477695</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/144477695</guid><author>MJ985464</author><pubDate>Sat, 14 Dec 2024 22:26:25 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[第1关：任务与奖赏]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/144477643</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/144477643</guid><author>MJ985464</author><pubDate>Sat, 14 Dec 2024 22:23:05 +0800</pubDate><description><![CDATA[头歌机器学习]]></description><category></category></item><item><title><![CDATA[openGauss数据库-完整性管理]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/144018305</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/144018305</guid><author>MJ985464</author><pubDate>Mon, 25 Nov 2024 09:24:43 +0800</pubDate><description><![CDATA[第1关：数据表的主码约束。]]></description><category></category></item><item><title><![CDATA[openGauss数据库-管理用户及角色]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/144014617</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/144014617</guid><author>MJ985464</author><pubDate>Sun, 24 Nov 2024 22:05:37 +0800</pubDate><description><![CDATA[第2关：修改和删除用户。]]></description><category></category></item><item><title><![CDATA[头歌openGauss数据库-管理权限 第3关：管理员]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/144014432</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/144014432</guid><author>MJ985464</author><pubDate>Sun, 24 Nov 2024 21:46:15 +0800</pubDate><description><![CDATA[要创建新的系统管理员，请以初始用户或者系统管理员用户身份连接数据库，并使用带 SYSADMIN 选项的 CREATE USER 语句或 ALTER USER 语句进行设置。要创建新的安全策略管理员，请以系统管理员用户身份连接数据库，并使用带 POLADMIN 选项的 CREATE USER 语句或 ALTER USER 语句进行设置。要创建新的运维管理员，请以初始用户身份连接数据库，并使用带 OPRADMIN 选项的 CREATE USER 语句或 ALTER USER 语句进行设置。]]></description><category></category></item><item><title><![CDATA[头歌openGauss数据库-管理权限 第2关：用户权限设置]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/144014324</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/144014324</guid><author>MJ985464</author><pubDate>Sun, 24 Nov 2024 21:41:40 +0800</pubDate><description><![CDATA[默认情况下，对表、表字段、序列、外部数据源、外部服务器、模式或表空间对象的权限不会授予PUBLIC，而以下这些对象的权限会授予PUBLIC：数据库的CONNECT权限和CREATE TEMP TABLE权限、函数的EXECUTE特权、语言和数据类型（包括域）的USAGE特权。将模式中的表或者视图对象授权给其他用户时，需要将表或视图所属的模式的USAGE权限同时授予该用户，若没有该权限，则只能看到这些对象的名称，并不能实际进行对象访问。将一个角色或用户的权限授予一个或多个其他角色或用户。]]></description><category></category></item><item><title><![CDATA[朴素贝叶斯算法 第1关：朴素贝叶斯分类算法流程]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/143977140</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/143977140</guid><author>MJ985464</author><pubDate>Fri, 22 Nov 2024 16:24:44 +0800</pubDate><description><![CDATA[【代码】朴素贝叶斯算法 第1关：朴素贝叶斯分类算法流程。]]></description><category></category></item><item><title><![CDATA[头歌 朴素贝叶斯简述 第1关：朴素贝叶斯概论]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/143977053</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/143977053</guid><author>MJ985464</author><pubDate>Fri, 22 Nov 2024 16:23:07 +0800</pubDate><description><![CDATA[头歌 机器学习 朴素贝叶斯]]></description><category></category></item><item><title><![CDATA[头歌OpenGauss数据库-实验2-2-连接查询和子查询]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/143582463</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/143582463</guid><author>MJ985464</author><pubDate>Wed, 06 Nov 2024 23:45:32 +0800</pubDate><description><![CDATA[头歌OpenGauss数据库-实验2-2-连接查询和子查询]]></description><category></category></item><item><title><![CDATA[头歌openGauss数据库-实验1-2-创建和管理表空间]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/143462127</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/143462127</guid><author>MJ985464</author><pubDate>Sun, 03 Nov 2024 10:48:42 +0800</pubDate><description><![CDATA[头歌openGauss数据库-实验1-2-创建和管理表空间]]></description><category></category></item><item><title><![CDATA[openGauss数据库-实验1-4-数据库及表的创建]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/143461827</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/143461827</guid><author>MJ985464</author><pubDate>Sun, 03 Nov 2024 10:42:38 +0800</pubDate><description><![CDATA[头歌openGauss数据库-实验1-4-数据库及表的创建]]></description><category></category></item><item><title><![CDATA[头歌OpenGauss数据库-实验1-1-初识openGauss]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/143461690</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/143461690</guid><author>MJ985464</author><pubDate>Sun, 03 Nov 2024 10:22:05 +0800</pubDate><description><![CDATA[头歌OpenGauss数据库]]></description><category></category></item><item><title><![CDATA[邻接矩阵的深度优先遍历（DFS）]]></title><link>https://blog.youkuaiyun.com/MJ985464/article/details/134186265</link><guid>https://blog.youkuaiyun.com/MJ985464/article/details/134186265</guid><author>MJ985464</author><pubDate>Thu, 02 Nov 2023 16:47:01 +0800</pubDate><description><![CDATA[邻接矩阵的深度优先遍历（DFS）]]></description><category></category></item></channel></rss>