启动PL/SQL Developer 报字符编码不一致错误,Database character set

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启动PL/SQL Developer 报字符编码不一致错误,Database character set

错误内容: Database character set (AL32UTF8) and Client character set (ZHS16GBK) are different. Character set conversion may cause unexpected results. Note: you can set the client character set through the NLS_LANG environment variable or the NLS_LANG reg…

启动PL/SQL Developer 报字符编码不一致错误 Database character set (AL32UTF8) and Client character set (ZHS16GBK) are different. Character set conversion may cause unexpected results. Note: you can set the client

今天写hibernate时候遇到一些异常代码: 出现异常情况: 出现以上原因是Session关闭如果不是使用的SessionFactory.getSession()来获得Session. 而是使用SessionFactory.getCurrentSession()方法来获得Session时,当事务结束的时候,不管是提交还是回滚事务,hibernate会自动关闭Session的, 所以不需要手动关闭.…

PL/SQL Developer报错 ORA-12154:tns:could not resolve the connect identifier specified

PL/SQL Developer使用预先配置数据库报错 ORA-12154:tns:could not resolve the connect identifier specified. 情况描述:我Orcle客户端使用的是instantclient_12_2,根路径为x:\Program Files\instantclient_12_2.安装后没有tnsnames.ora文件 ,这个文件的路径从网上查询得知是:根路径+\network\admin\tnsnames.ora. 于是在根目录下建两…

PL/SQL Developer 报错Dynamic Performance Tables not accessible, Automatic Statistics disabled for this session You can disable statistics in the preference menu, or obtain select priviliges on the V$ses

可以从以下几个方面考虑: 1)单独给用户授动态性能视图的权限: SQL> grant select on V_session to user; SQL> grant select on V_session to user_sec; SQL> grant select on V_sesstat to user;SQL> grant select on V_$statname to user; 2)可以使用下面这个“简单粗暴”的方法处理之.SQL> grant SELECT…