问题描述 ORA-01935: missing user or role name ORA-01935:缺少用户或角色名…

1.string contact operator Sqlserver use + or contact(sqlserver 2012) In oracle, you can also use contact, but you can not used + to contact string, you should use ||; 2.oracle date time is different with sqlserver date. Sqlserver date just have date…

It is very useful in .net we can user framework provided role manager, and easily configure in Web.Config. However, I find when I fullfil such configure: <roleManager defaultProvider="QQmgsSqlProvider" enabled="true" cacheRolesInCoo…

Role TransitionsInvolving Physical Standby Databases A database operates in one of the following mutuallyexclusive roles:primary or standby. Data Guard enables you to change theseroles dynamically by issuing the SQL statements described in this chapt…

1.错误现象 SQL> grant sysdba to test;grant sysdba to test*ERROR at line 1:ORA-01994: GRANT failed: password file missing or disabled SQL> ho oerr ora 0199401994, 00000, "GRANT failed: password file missing or disabled"// *Cause:  The operation…

告警提示其实已经很明显了OGG-02803 Encountered a Data Guard role transition. Alter Extract to SCN 15,756,246 and restart Extract, or recreate Extract with the correct number of threads at SCN 15,756,246.err log:Source Context : SourceModule : [er.redo.ora.rtc] So…

注:本文来源于 < Oracle学习笔记 --- Oracle ORA错误解决方案 > ORA-00001: 违反唯一约束条件 (.)错误说明:当在唯一索引所对应的列上键入重复值时,会触发此异常.ORA-00017: 请求会话以设置跟踪事件ORA-00018: 超出最大会话数ORA-00019: 超出最大会话许可数ORA-00020: 超出最大进程数 ()ORA-00021: 会话附属于其它某些进程:无法转换会话ORA-00022: 无效的会话 ID:访问被拒绝ORA-00023: 会话引用进…

2013年4月27日 星期六 10:52 role 的功能:简化用户的权限管理 建立角色——给角色授权——将角色授予用户/角色 2.查看系统建立的role SYS @ prod >  select * from dba_roles; ROLE                           PASSWORD ------------------------------ -------- CONNECT                        NO RESOURCE           …

参考地址 ORA-00001: 违反唯一约束条件 (.)错误说明:当在唯一索引所对应的列上键入重复值时,会触发此异常.ORA-00017: 请求会话以设置跟踪事件ORA-00018: 超出最大会话数ORA-00019: 超出最大会话许可数ORA-00020: 超出最大进程数 ()ORA-00021: 会话附属于其它某些进程:无法转换会话ORA-00022: 无效的会话 ID:访问被拒绝ORA-00023: 会话引用进程私用内存:无法分离会话ORA-00024: 单一进程模式下不允许从多个进程注册…

I'm a postgres novice. I installed the postgres.app for mac. I was playing around with the psql commands and I accidentally dropped the postgres database. I don't know what was in it. I'm currently working on a tutorial: http://www.rosslaird.com/blog…