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1. Oracle查看表空间使用率(包含临时表空间) set pagesize 500 set lin 120 col TABLESPACE_NAME for a30 col SUM_SPACE(M) for a15 col SUM_BLOCKS for a35 col USED_SPACE(M) 阅读全文
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Linux系统标准化1: 克隆 Linux 系统后 eth0 网卡的设置 Linux系统标准化2: 将动态IP设置成静态IP&关闭防火墙和Selinux Linux系统标准化3: 更改主机名 Linux系统更换Yum源: 阅读全文
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##按照操作系统,添加硬盘 ##关闭防火墙和禁用SeLinux ##设置主机名和网卡,并设置主机名和IP地址的映射 ##修改系统内核参数 ##安装Oracle软件所需的依赖包 ##额外安装:lrzsz 、xclock、vnc(并配置)和rlwrap ##创建oracle和grid的用户及组 ##设置oracle、grid用户的环境变量 ##创建目录和设置权限 ##安装grid组件: ... 阅读全文
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目录概述 内容详述 一、主机系统日志收集: 二、数据库告警日志收集: 阅读全文
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在python开发的过程中,经常会遇到需要打印各种信息。海量的信息堆砌在控制台中,就会导致信息都混在一起,降低了重要信息的可读性。这时候,如果能给重要的信息加上字体颜色,那么就会更加方便用户阅读了。 当然了,控制台的展示效果有限,并不能像前段一样炫酷,只能做一些简单的设置。不过站在可读性的角度来看, 阅读全文
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第二十九节,装饰器 装饰器简介 装饰器,用于装饰某个函数,或者方法,或者类装饰可以用于某个函数或者方法或者类在执行之前或者执行后做某些操作,也可以理解为,为某个函数或者方法或者类添加功能好处:是不用改变原来的函数,就可以给原来的函数添加功能方法:1,定义一个函数,里面传一个值用于接收被装饰函数的名称 阅读全文
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python 浅析对return的理解 阅读全文
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一、需要掌握的技能1: 二、需要掌握的技能2: 三、优秀的Python笔记 阅读全文
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ZOE | 数林觅风 https://woaielf.github.io/ 1. Python和Shell的思维导图非常棒! 2. 《如何高效学习》思维导图非常棒! 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-primary-key/ Home / Basic MySQL Tutorial / MySQL Primary Key MySQL Primary Key Summary: in this tutorial, you w 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-data-types.aspx Home / Basic MySQL Tutorial / MySQL Data Types MySQL Data Types Summary: in this tutorial, you 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-create-drop-database.aspx Home / Basic MySQL Tutorial / Manage Database in MySQL Manage Database in MySQL Summa 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-replace.aspx Home / Basic MySQL Tutorial / MySQL REPLACE MySQL REPLACE Summary: in this tutorial, you will lear 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-on-delete-cascade/ Home / Basic MySQL Tutorial / MySQL ON DELETE CASCADE: Deleting Data From Multiple Related T 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-delete-join/ Home / Basic MySQL Tutorial / MySQL DELETE JOIN MySQL DELETE JOIN Summary: in this tutorial, we wi 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-delete-statement.aspx Home / Basic MySQL Tutorial / MySQL DELETE MySQL DELETE Summary: in this tutorial, you wi 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-update-join/ Home / Basic MySQL Tutorial / MySQL UPDATE JOIN MySQL UPDATE JOIN Summary: in this tutorial, you w 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-update-data.aspx Home / Basic MySQL Tutorial / MySQL UPDATE MySQL UPDATE Summary: updating data is one of the m 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-last_insert_id.aspx Home / MySQL Functions / MySQL LAST_INSERT_ID Function MySQL LAST_INSERT_ID Function Summar 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-insert-or-update-on-duplicate-key-update/ Home / Basic MySQL Tutorial / How To Insert or Update In MySQL Using 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-insert-statement.aspx Home / Basic MySQL Tutorial / Inserting Data into A Table Using MySQL INSERT Statement In 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-intersect/ Home / Basic MySQL Tutorial / MySQL INTERSECT MySQL INTERSECT Summary: in this tutorial, we will int 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-minus/ Home / Basic MySQL Tutorial / MySQL MINUS MySQL MINUS(自己本次没有测试出预期的结果,估计与MySQL版本和SQL模式有关) Summary: in thi 阅读全文
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转载自:http://www.mysqltutorial.org/sql-union-mysql.aspx Home / Basic MySQL Tutorial / MySQL UNION MySQL UNION Summary: in this tutorial, you will learn 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-subquery/ Home / Basic MySQL Tutorial / MySQL Subquery MySQL Subquery Summary: in this tutorial, we will show y 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-having.aspx Home / Basic MySQL Tutorial / MySQL HAVING MySQL HAVING Summary: in this tutorial, you will learn h 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-group-by.aspx Home / Basic MySQL Tutorial / MySQL GROUP BY MySQL GROUP BY Summary: in this tutorial, you will l 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-self-join/ Home / Basic MySQL Tutorial / MySQL Self Join MySQL Self Join Summary: in this tutorial, you will le 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-cross-join/ Home / Basic MySQL Tutorial / A Practical Use of MySQL CROSS JOIN Clause A Practical Use of MySQL C 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-right-join/ Home / Basic MySQL Tutorial / MySQL RIGHT JOIN MySQL RIGHT JOIN Summary: in this tutorial, you will 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-left-join.aspx Home / Basic MySQL Tutorial / MySQL LEFT JOIN MySQL LEFT JOIN Summary: in this tutorial, you wil 阅读全文
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转载自:http://www.mysqltutorial.org/mysql-inner-join.aspx Home / Basic MySQL Tutorial / MySQL INNER JOIN MySQL INNER JOIN Summary: in this tutorial, you 阅读全文