Oracle Bug ORA-04043

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Oracle Bug ORA-04043

有人測試了在Win下Oracle 11.0.2.0下測試出Oracle bug ORA-04043,隨後在自己機子上進行了測試,測試過程如下:

SQL> select * from v$version where rownum=1;

BANNER
--------------------------------------------------------------------------------
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production

SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount
ORACLE instance started.

Total System Global Area  313860096 bytes
Fixed Size                  1336232 bytes
Variable Size            146803800 bytes
Database Buffers          159383552 bytes
Redo Buffers                6336512 bytes
Database mounted.
SQL> desc dba_users;
ERROR:
ORA-04043: object dba_users does not exist

SQL> alter database open;

Database altered.


SQL> desc dba_users;
ERROR:
ORA-04043: object dba_users does not exist

SQL> alter system flush shared_pool;

System altered.

SQL> desc dba_users;
 Name                                      Null?    Type
 ----------------------------------------- -------- ----------------------------
 USERNAME                                  NOT NULL VARCHAR2(30)
 USER_ID                                  NOT NULL NUMBER
 PASSWORD                                          VARCHAR2(30)
 ACCOUNT_STATUS                            NOT NULL VARCHAR2(32)
 LOCK_DATE                                          DATE
 EXPIRY_DATE                                        DATE
 DEFAULT_TABLESPACE                        NOT NULL VARCHAR2(30)
 TEMPORARY_TABLESPACE                      NOT NULL VARCHAR2(30)
 CREATED                                  NOT NULL DATE
 PROFILE                                  NOT NULL VARCHAR2(30)
 INITIAL_RSRC_CONSUMER_GROUP                        VARCHAR2(30)
 EXTERNAL_NAME                                      VARCHAR2(4000)
 PASSWORD_VERSIONS                                  VARCHAR2(8)
 EDITIONS_ENABLED                                  VARCHAR2(1)
 AUTHENTICATION_TYPE                                VARCHAR2(8)

有哥們在MOS上查了一下,果然是bug, ID為2365821。

Abstract: ORA-4043 ON DBA_* TABLES IF THEY ARE DESCRIBED IN A MOUNT STAGE.

在mount階段desc時,open後查詢還是會出現ora-04043,必須重啟一次或者flush shared pool一次才會成功。

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