oracle数据库的相关内容

问答 2022-12-27 来自：开发者社区

PolarDB兼容oracle语法版本数据库能否使用dts跨账号迁移数据

文章 2022-12-27 来自：开发者社区

ubuntu docker 安装oracle数据库产生的问题

前言今天，我利用我们实验室安装了oracle的数据库，我们要用这个数据库，但是在安装的过程中出现了很多的问题，那么，下面，我们一起来看看都出现了什么样的问题吧。【哭哭哭】正文首先，我们根据以前的文章，安装了quay.io/maksymbilenko/oracle-12但是，我们启动的时候，就会出现了很多的错误，如下图这样的结果，一直在安装，但是，始终没有解决，所以猜测是Ubuntu的系统问题，和....

文章 2022-12-19 来自：开发者社区

Oracle数据库基本概念理解（7）

--删除用户drop user sz cascade;--创建表空间create tablespace worktablspdatafile 'C:\app\lenovo\oradata\orcl\EMPTB.dbf' SIZE 5M AUTOEXTEND ON;--修改表空间ALTER tablespace worktablsp ADD datafile 'C:\app\lenovo\orad....

文章 2022-12-19 来自：开发者社区

物流项目中Oracle 数据库的使用及OGG是如何同步

业务服务器之Oracle 数据库首先物流系统Logistics使用Oracle数据库，采用Docker容器部署，启动容器Contanier，再启动Oracle数据库，进行访问，查看数据库database中表：物流系统相关业务表。1）、针对myoracle容器来说，启动容器以后，不会启动Oracle数据库相关服务，需要手动启动2）、Oracle数据库相关服务：数据库服务Server和监听服务Lis....

文章 2022-12-19 来自：开发者社区

Oracle数据库基本概念理解（3）

/*| PL/SQL编程*/--声明变量DECLARE V_NAME VARCHAR2(20); --一般变量 V_AGE NUMBER(2); v_id SUN.TUSER.USERID%TYPE:=14;--属性变量 v_user SUN.TUSER%ROWTYPE; --行属性变量BEGIN --赋常量值 V_NAME:='Tom'; V_AGE :=20...

文章 2022-12-19 来自：开发者社区

Oracle数据库基本概念理解（2）

文章 2022-12-19 来自：开发者社区

Oracle数据库基本概念理解（1）

--函数数字转换为字符--0 强制位数，9位数不够不显示 $美元SELECT TO_CHAR(124.3456,'0000.00') FROM dual ;SELECT TO_CHAR(124.3456,'9999.99') FROM dual ;SELECT TO_CHAR(124.3456,'$9999.99') FROM dual ;--日期日期转换为字符SELECT TO_...

文章 2022-12-15 来自：开发者社区

Oracle各种版本下“示例数据库的创建”的创建

重建scott用户及数据---------- 重建scott用户 sqlplus / as sysdba SQL>@?/rdbms/admin/utlsampl.sql 重建hr用户及数据 --- 重建hr用户 @?/demo/schema/human_resources/hr_main.sql hr SYSAUX TEMP /tmp 插入示例方案 PDB ：使用 DBCA在 12.1......

文章 2022-12-15 来自：开发者社区

Oracle如何修改数据库的DBID和DBNAME？

简介在Oracle中，DBID和DBNAME是两个极其重要的对象。作为标记信息，DBID和DBNAME包含在参数文件、密码文件、数据文件、日志文件、备份集合、归档日志中。一般情况下，已经创建好的数据库是不需要修改DBID和DBNAME的。因为，修改这些信息意味着Oracle关键信息的变化，将导致备份失效。DBID是一个十进制数字，Oracle依据唯一性算法计算得到作为内部数据库的标记信息。在数据....

文章 2022-12-15 来自：开发者社区

启动Oracle数据库报错ORA-48173、ORA-48187、OSD-00002、OS-Error (OS 5) Access is denied

现象windows server 2006的Oracle 12c，在服务里启动了数据库，正常，但是在通过sqlplus连接进去后发现数据库是空闲实例，开始启动数据库，结果报错： SQL> startup ORA-48173: error checking directory existence during ADR initialization [D:\app\diag\rdbms\orc....

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数据库审计

满足等保2.0二级和三级 “安全审计”合规要求的同时，智能解析数据库通信流量，细粒度审计数据库访问行为，通过对数据库全量行为的审计溯源、危险攻击的实时告警、风险语句的智能预警，提供数据库资产最安全的监控保障。

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