Solution for Oracle 11g forgetting SYS and SYSTEM passwords
Oracle 11g forgets the SYS and SYSTEM passwords. The answer is simple: change the password!
1. First, log on to the SYS account using the operating SYSTEM authentication method and change the SYSTEM account password.
$ Sqlplus/as sysdba
SQL * Plus: Release 11.
triggered or any other method is required. Once this function is triggered, the user can be successfully promoted to DBA permissions.
Example: www.2cto.com
First, we create a user birdarmy who has the permission to create tables and functions. To facilitate the test, I directly grant them the connect and resource permissions.
SQL> create user birdarmy identified by 123456;
User created.
SQL> grant connect, resource to birdarmy;
Grant succeeded.
Use the birdarmy permission to log on and create f
Navicat for Oracle connection to Oracle 11G operation process, navicat11g
Procedure for connecting Navicat for Oracle to Oracle at 11 GB
1. Change the Oracle configuration file
After installing
Oracle Easy Interface ToolBackground: I work on a remote machine, I need to call data to the Oracle 11g server, the Oracle client is already installed on the remote machine, but neither SQL Plus nor SQL developer and PL SQL developer are available (DBAs don't fix it for a few days). I have the server IP,
How to SetOracle11gImport backup10g
11g Export Statement: expdp userid ='Facial/Facial@OrclAs sysdba 'schemas = facial directory = DATA_PUMP_DIRdumpfile = aa. dmp logfile = aa. log version = 10.2.0.1.0
The red text is rewritten as needed. For example, my usersFacialThe password isFacial, Database sid isOrclThe username to be exported by schemas isFacialTo import it to the Oracle database of version 10.2.0.
Oracle 11gThe clientLinuxThe configuration process is a little bit difficult, but as long as we configure step by step, there is nothing. This article describes how to configure the Oracle 11g client on Linux.
First download several compressed packages from OTN, for: http://www.oracle.com/technology/software/tech/oci/instantclient/index.html, And then according t
Lab environment: Oracle 11g R2 RAC (11.2.0.3.5) Oracle Enterprise Linux 5.6x86
1. Create an ASM disk group and mount the disk on two nodes. Then, partition the disk on the first node. [root @ Rac1 ~] # Fdisk-ldisk/dev/SDE: 2147 MB, 2147483648 bytes255 heads, 63 sectors/track, 261 cylindersunits = cylinders of 16065*512 = 8225280 bytes
Device boot start end blocks
unknown keyNote: The value of kernel. shmmax's is half of the physical memory. My memory is 2 GB, so it is 1073741824Step 2: VI/etc/security/limits. conf, add:Oracle soft nproc 2047Hard nproc 16384Oracle soft nofile 1024Oracle hard nofile 65536Step 3: VI/etc/PAM. d/login. Add the following parameters:Session required pam_limits.so step4: VI/etc/profile:If [$ user = "oracle"]; thenIf [$ shell = "/bin/KSh"]; thenUlimit-P 16384Ulimit-N 65536ElseUlimit-u
With the upgrade of the Oracle version, RMAN is also enhanced. RMAN in Oracle11g supports the use of different operating systems and different databases. For the compatibility of RMAN, refer:
Oracle RMAN compatibility and FAQs between different versions and different platforms
This article demonstrates an example of restoring 10 Gb to 11 GB in linux.
Target end:
OS: Ora
Oracle 11g PL/SQL function result cache, oracle11g
Two experiments have been conducted to simulate the Oracle Performance Diagnosis art. The book says that if you don't need RELIES_ON, then the changes to the objects on which the function depends will not result in the invalid result cache operation (result_cache RELIES_ON (test1, test2). The test proves that thi
This article describes how to install Oracle 11gR2 (11.2.0.3) in Oracle Linux 6.3 ). Since Oracle 11g, the official Oracle website does not provide a download link for its Patch. You need to use the Meatlink account to download the Patch. Do not worry about the kids shoes. I
, INVOKE_TIME) values (6, sysdate-2 );
Insert into CALL_LOG (LOG_ID, INVOKE_TIME) values (7, sysdate-1 );
Commit;
2. export and import data
Exp is not supported because it is a new feature and exp is not supported.Exp test/test@10.10.15.150 file = d:/CALL_LOG.dmp tables = SOA_CALL_LOG
C: \ Users \ Administrator> exp test/test@10.10.15.150 file = d:/CALL_LOG.dmp tables = SOA_CALL_LOG
Export: Release 11.2.0.1.0-Production on Tuesday June 16 16:49:27 2015
Copyright (c) 1982,200 9,
Database 11G RAC cluster installation (vii)
ORACLE ENTERPRISE LINUX 5.7 Databases 11G RAC database installation (eight)
Basic test and use of database 11G RAC under ORACLE ENTERPRISE LINUX 5.7 (ix)
Cache Fusion principleThe background process for RAC has been d
* from dual;
D-X
Store @ TEST> alter system set SQL _trace = false;
The system has been changed.
Store @ TEST>! Cat/opt/oracle/db/diag/rdbms/test/TEST/trace/TEST_ora_5555.trcTrace file/opt/oracle/db/diag/rdbms/test/TEST/trace/TEST_ora_5555.trcOracle Database 11g Enterprise Edition Release 11.2.0.1.0-ProductionWith the Partitioning,
22 15:21:02 2014Copyright (c) 1982, Oracle. All rights reserved.Please enter user name: System input Password:Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0-production with the partitioning, OLAP, Data Mining and R EAL Application Testing OptionsSql> Show parameter deferred_segment_creation;NA
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