oracle数据库的相关内容

文章 2021-12-15 来自：开发者社区

Oracle数据库ORA-12516:“listener could not find available handler with matching protocol stack!“问题解决方法

Oracle 数据库 sql 连接报错：java.sql.SQLException: Listener refused the connection with the following error: ORA-12516, TNS:listener could not find available handler with matching protocol ....

文章 2021-12-14 来自：开发者社区

Oracle 数据库linux下sql命令行按回退键变成^H字符输入问题解决方法

默认点击回退键会变成 ^H 字符。切换 oracle 用户后，修改 ~/.bash_profile 配置文件。在最后面加上一行 stty erase ^H ，然后执行 source ~/.bash_profile 使配置文件生效就好了。再操作删除、回退功能就正常了。喜欢的点个赞❤吧！ &...

文章 2021-12-14 来自：开发者社区

Oracle 数据库查看具有sysdba系统权限用户，设置、重置sys用户密码

sysdba 是系统权限，dba 是用户对象权限。用 sysdba 系统权限身份登录后再用 show user 命令即可看到哪个用户有系统权限了。alter user 用户 identified by 密码; 命令即可修改用户密码了。C:\Users\Administrator>sqlplus / as sysdba SQL*Plus: Release 11.2.0.3.0 Produc....

文章 2021-12-14 来自：开发者社区

Python 技术篇-操作oracle数据库执行SQL语句报错，提示ORA-00911: 无效字符解决方法

     cursor.execute("select name from v$datafile;") 执行 sql 语句提示无效字符。原因就是我加入了 ; 号。改成 cursor.execute("select name from v$datafile") 就好了。问题源码如下：import cx_Oracle as cx con = cx.connect('....

文章 2021-12-14 来自：开发者社区

Oracle 数据库利用sql语句判断某个表是否是临时表实例演示，达梦数据库查询出所有临时表

-- 创建临时表 create global temporary table tem_1 (pk_tem char); -- 创建常规表 create table not_tem_1 (pk_not_tem char);-- 判断临时表 select * from ALL_OBJECTS where object_name like '%TEM_1' and temporary = 'Y'; -....

文章 2021-12-14 来自：开发者社区

Oracle 数据库利用回收站恢复删除的表实例演示

-- 创建表 create table test_A ( pk_test char); -- 删表 drop table test_A; -- 查询该表 select * from test_A;可以看到找不到这个表了。-- 查询回收站 select * from user_recyclebin order by droptime desc;这里用 droptime ....

文章 2021-12-14 来自：开发者社区

Oracle 数据库直接执行本地sql文件、sql脚本实例演示

@ + sql 文件路径即可执行 sql 文件里的 sql 语句。实例演示：我要执行的 sql 文件路径是 C:\Users\Administrator\Desktop\delete.sql ，登录以后直接执行 @C:\Users\Administrator\Desktop\delete.sql 就好了。C:\Users\Administrator>sqlplus system/sys....

文章 2021-12-14 来自：开发者社区

Oracle 数据库impdp导入数据库版本和dmp数据库文件版本不匹配问题解决方法，ORA-39142版本号不兼容、ORA-39000转储文件说明错误解决方法

解决方法一：导出时指定版本，指定的版本和要导入的版本号一致。expdp ncc_auto/1@orcl directory=dir_dp schemas=ncc_auto dumpfile=ncc_auto.dmp version=11.2select * from v$version 可以查询数据库版本。解决方法二：直接修改 dmp ....

文章 2021-12-14 来自：开发者社区

Python 技术篇-连接oracle数据库并执行sql语句实例演示，python连接oracle数据库oci详细配置方法

Python 连接 Oracle 数据库第一章：连接 oracle 数据与环境配置① 连接 oracle 数据库效果演示② oci 下载③ oci 配置④ 环境变量配置⑤ 检测是否有 oracle 客户端卸载残留第一章：连接 oracle 数据与环境配置① 连接 oracle 数据库效果演示连接的语句比较简单，但是配置起来可能碰到很多问题。注：首先如果服务器的 oracle 版本是 64 位的....

文章 2021-12-14 来自：开发者社区

Navicat 数据库连接工具连接oracle数据库提示cannot create oci handles问题解决方法

Navicat 连接 oracle 数据库需要本地有 oracle 环境。oracle 客户端太大了，我们只需装个 oracle install client 就好了。oracle install client 安装方法然后配置里把 oci 指定一下就可以了。再次连接数据库就直接连接成功了。喜欢的点个赞❤吧！ ....

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