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problems.In particular, this feature is targeted at issues that contain critical errors, such as critical errors caused by database code bugs, metadata corruption, and customer data corruption.When a critical error occurs, it is assigned an unexpected event number, and the system immediately captures the diagnostic data for the error, such as a trace file, and uses that number to mark the data.This data is then stored in an automated diagnostic data archive (ADR, file-based repository outside t
Dynamic Performance View The structure of the memory used to access the instance is constantly changingstatus information. In Oracle DB, you also maintain a dynamic dataset of database instance operations and performance. These dynamic performance is consideredThe diagram is based on a virtual table built on the internal memory structure of the database server. In other words, these views are not resid
Label:Resources are: "Oracle XE Series III" Manually create Oracle XE database using OMF-Wang Lifu-Blog ParkHttp://www.cnblogs.com/opfo/p/5056122.html Environment: win7_64 Open cmd with administrator 1. Create a DB instance with the instance named ORCLOradim-new-sid ORCL Error: dim-00014: Could not open Windows NT Service Control Manager. os-error: (OS 5) den
be greater than 1) On a healthy system, physical read waits should is the biggest waits after the idle waits. However, also consider whether there is direct read waits (signifying full table scans with parallel query) or DB file sc Attered read waits on a operational (OLTP) system that should be doing small indexed accesses.Other things this could indicate excessive I/O load on the system include the following: Poor Buffer Cache Hit rat
Label:This article is original article, reproduced please indicate the source: http://blog.csdn.net/msdnchina/article/details/46416455 Troubleshoot issues that cannot be connected to Oracle DB using Plsql Developer in a Windows X64bit environment Background: Plsql developer does not have a 64bit version, so it can only be connected via a 32bit Oracle client.Kno
regard to the connection string, as far as your own version, choose Good Provider, SQL 2005,2008 and 2012 use different, and for service data and attached database is also a little difference. Oracle's common use is the above approach, and of course you can choose to oralce your own OLE DB Provider .We recommend a very full connection string reference site:Www.connectionstrings.comProblem summary part is too late to write, do not scold me is a liar,
Catalog DB Resync Error:1, setting on the server that starts the RMAN client$ Export event_10928 = 1$ Rman Target Rman> SQL "alter session set Tracefile_identifier = ' rman-10046 '" ";Rman> SQL "alter session SET events" 10046 Trace name Context forever, Level 12 "" "Rman> SQL "alter session SET events" 6502 Trace name Errorstack level 3 ' ";Rman> Debug All Level = 152, with the RMAN connection of the target DB
the active transaction is completed, and any new connections and transactions are disallowed after the command is run. After all active transactions are complete, the database shuts down the database in the same way as shutdown immediate. 4, SHUTDOWN ABORTThis is the last resort to close the database, but also in the absence of any way to close the database in the case of the way to be used, generally do not use. You might consider shutting down the database this way if the following conditions
Tags: Oracle 10g installation1. System Requirements:1) Operating system: (x32 system is not discussed at this stage)Windows Vista x64 (10.2.0.4)Windows 7 x64 (10.2.0.5)Windows Server x64 (10.2.0.4)Windows Server R2 (10.2.0.5)2) Internet Explorer 7/83) JDK 1.5.04). Net Framework 2.02. Installation steps:The following is done in the Windows Server R2 system.1) Install Oracle Database using the following media
About the _external_scn_rejection_threshold_hours and SCN headroom patch issues on the Oracle DB 11GR2 version numberFrom:Installing, executing and interpreting output from the "Scnhealthcheck.sql" script (document ID 1393363.1)1th:In addition to the above result the script output could advise to set the hidden parameter "_external_scn_rejection_threshol D_hours "on some
the grace period (days) between the first successful logon and the password that must be changed, after which the password is invalidated. Note: Locking the SYS, Sysman, and DBSNMP accounts and invalidating their passwords will prevent enterprise Manager from running properly. The application must capture a "password invalidation" warning message and process the password change; otherwise, the grace period expires and the user is locked without notifying the cause.Password history:Checking the
Tags: class java int C data usage1. The Oracle Universal Installer is now available, with a graphical interface installed, and the Java Runtime Environment installed automatically, although the ZIP installation package is a handy and easy-to-use operation.2. For integrated capture (Integrated capture), there is a further improvement in performance and no additional configuration is required for the user;3. Integrated Replicat (Integrated delivery), fo
; "Src=" https://s4.51cto.com/wyfs02/M01/9C/6C/wKioL1lwSrqA4lvtAACv9cNba5Q994.png-wh_500x0-wm_ 3-wmp_4-s_2819583354.png "title=" image 3.png "alt=" Wkiol1lwsrqa4lvtaacv9cnba5q994.png-wh_50 "/>[Email protected] ~]$ srvctl stop nodeapps-n Node1[Email protected] ~]$ srvctl stop nodeapps-n Node2650) this.width=650; "Src=" https://s1.51cto.com/wyfs02/M01/9C/6C/wKioL1lwStrSUdQmAADFmWS6yJg189.png-wh_500x0-wm_ 3-wmp_4-s_2061809010.png "title=" image 4.png "alt=" wkiol1lwstrsudqmaadfmws6yjg189.png-wh_50
Tags: oracle goldengate schematrandataAdditional DB patches are required for use with Schematrandata in Ogg (Oracle GoldenGate)Reference text:Patches needed to support Schematrandata in OGG (Oracle GoldenGate) (Doc ID 1426440.1)Suitable for:Oracle goldengate-version 11.1.1.1.1 and laterInformation in this document appl
Label:Distinguishing between databases and instances: an instance refers to a variety of memory structures and service processes, and the database is the storage disk space in the object.DB Instance Startup:startup [Nomount | mount | open | force] [RESETRICT] [Pfile=finename] Nomount indicates that the startup instance does not load the database Mount means launching the instance, loading the database, and keeping the database off state Open means launching the instance, loading and
Label:The Windows operating system (whether 32bit or 64bit) is not supported by the Db_32k_cache_size parameter for Oracle DB. As follows: F:\oracle\product\10.2.0\db_1\bin>sqlplus/as sysdba sql*plus:release 10.2.0.4.0-production on Tue 19 09:03:23 Copyright (c) 1982, Oracle. All rights Reserved. Connected to:oracle
see if a row with the same department ID exists in the Employees table. If no such row exists, the corresponding row satisfies the condition, and the row is selected. If the corresponding row exists in the Employees table, the row is not selected. Null values in a subquery SELECT from WHERE not inch (SELECT from Employees MGR);The SQL statement in the example attempts to display all employees without any subordinates. Logically, this SQL statement should return 12 rows. However,
A few days ago, a friend of the group said DB in the beginning of backup mode after shutdown not come up, today said backup recovery test a bit, found that can be up, but the production environment or to pay attention, it is best not to do so. sql> alter TABLESPACE users begin backup; Tablespace altered. sql> shutdown Immediate Ora-01149:cannot Shutdown-file 4 has online backup set Ora-01110:data file 4: ' E:oracleoradatatestusers01. DBF ' sql>
Label:Bug 9772171-database startup hangs on Windows if machine have more than cores [ID 9772171.8]This article has been explained: fix (fix) the bug in 11.2.0.2.And now the 11GR2 version number has been released 11.2.0.4. And 11.2.0.4 is finally the 11GR2 version number.So we recommend installing 11.2.0.4 plus the latest PSUThe latest PSU is able to query this article for the following: Oracle Database, Networking and Grid Agent patches for Microsoft
.[email protected] > SELECT * from Dba_datapump_sessions;No rows selected[email protected] > SELECT * from Dba_datapump_jobs;No rows selecteduse the same method also delete from view Dba_datapump_jobs The tables are queried until the two views are not recorded. 3 dmp file. If not removed, the EXPDP command will be reported dmp file already exists error. here the author gives a common SQL statement, you can query EXPDP For more information about the related sessions, as follows:-----
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