In an Oracle 12C database, if the PDBORCL service is not turned on, WebLogic is reported with the initialization or shutdown in progress of the PDB service when it is turned on. Therefore, it is necessary to use the SYS user to turn on the PDB server in Oracle.650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M01/82/8F/wKiom1daMWGBgw8kAAAKb9eeAMw173.png "tit
\hosts file 127.0.0.1 is blocked.2. Also IP address do not use DHCP to obtain IP automatically, you need to specify an IP address. This problem occurs as long as you find the cause, and then let the monitoring start normally can solve the problem.3. Firewall does not shut down caused4. Check that the other network configuration is correct.The installation is complete, according to the prompt browser access (The browser may be reported missing flash plugin to install one on the line)User name is
Status of all instances and services
$ Srvctl status database-D orclInstance orcl1 is running on node linux1Instance orcl2 is running on node linux2
Status of a single instance
$ Srvctl status instance-D orcl-I orcl2Instance orcl2 is running on node linux2
The status of the global Naming Service in the database
$ Srvctl Status Service-D orcl-s orcltestService orcltest is running on instance (s) orcl2, orcl1
Node applications on specific nodesProgramStatus
$ Srvctl status node
How to install Oracle 12c in Redhat 6 environment, oracle12c
Step 1:
To install Oracle on Linux, you must install the corresponding software package before installing Oracle. The requirements for software packages vary with operating system environments. Specific corresponding software packages, see the official docume
the source table dept to the output node of the target table dept, if the property match prompts to automatically match by name, click OK (you can also drag the source field to the destination table field, or edit the property panel expression of the target marker segment) At this point, the individual field properties of the two tables have been mapped, a field in the target table is selected, and the field background of the source table is red. Save and verify Click on the target Datastor
Practicing Oracle's RAC build process, the first step is to practice installing Oracle 10.2.0.1.0 on 4U4 first. Installing RAC directly is somewhat difficult. From a simple start. For the total RAC Step, refer to the RAC form of the teacher.1. Start VC, login vsphere 5.1,2.
session set CONTAINER=EHRPDB;--Switch back to the root containerAlter session set Container=cdb$root;--2 Creating pluggable Databases--2.1 Cloning seed ContainerCreate pluggable Database cpcdbAdmin user Cpcadm identified by Cpcadmfile_name_convert= ('/oracle/app/oracle/oradata/edw/pdbseed ', '/oradata/edw/cpcdb/datafile/');--2.2 Creating a database directlyCREATE Pluggable DATABASE HrdbADMIN USER HRDBA ide
The new feature of Oracle 12c paging query is expected in the upcoming oracle 12c release. This is the optimization of paging query. There are many paging query functions in the application. Previously we used rownum for this purpose.For example, to query 1-10 records, the query statement is as follows: www.2cto.com SQ
Create the wm_concat function on Oracle 12C
The wm_concat function has been abandoned on Oracle 11gR2 and 12C. At that time, many of our programmers used this function in the program, leading to program errors. To reduce the workload of programmers to modify programs, you can only manually create a wm_concat function t
Step tutorial on installing Oracle 12c Release Database in win10, win1012c
Install Oracle 12c Release Database in win10
In general, download and decompress the package and go to the official website.
Double-click to start installation.
Click OK to skip
Select the first database to create a data
Oracle 12c Turn off statistics collection and enable statistics collection--Turn off statistics Col client_name for A60select client_name,status from Dba_autotask_client; Client_name STATUS------------------------------------------------------- ---------------------Auto Optimizer stats collection Enabledauto space Advisor Enabledsql Tuning Advisor Enabledbegindbms_a
Tags: Shel from show and off with Ted add HelpIn 12c, Oracle introduced the History command, which is much like the history in the Shell, reducing the knock-down of SQL and bringing a lot of convenience.1. View the history HelpSql> HelpHistory-------Stores, lists, executes, edits of the commandsEntered during the current Sql*plus session.Hist[ory] [N {RUN | EDIT | Del[ete]}] | [CLEAR]N is the entry number l
Generally, in the Oracle RAC environment, V $ view can query information about the instance you are connected to, while GV $ view contains information about all instances. However, in the RAC environment, when we query the V $ log view, it is common sense that the V $ log view should see the information of the log group that you connect to the instance. However,
Oracle 12c R1 physical standby uard physical standby database enable real-time apply
The physical standby database is always in the mount state, which is inconvenient for Data Synchronization verification.
Enabling real-time apply enables real-time query.
In the standby database mount status:
SQL> select open_mode from v $ database;
OPEN_MODE------------------------------------------------------------MOUNTE
/view" Warning window!Workaround:Log in to Oracle Sql*plusC:\users\administrator>C:\users\administrator>sqlplus/nologSql*plus:release 10.2.0.1.0-production on Tuesday January 29 10:54:36 2013Copyright (c) 1982, 2005, Oracle. All rights reserved.Sql> Connect Sys/sys as SysdbaThis section is to find out the error when opening the databaseSql> select Open_mode from V$database;Open_mode----------Mountedsql> ALT
object:dbms_jms_plsql privilege:execute grantee:system
- GRANT EXECUTE onSys. Dbms_job toSYSTEM with Grant option
+ /
A --METADATA type:grant object:dbms_jms_plsql privilege:execute grantee:system
at GRANT EXECUTE onSys. Dbms_random toSYSTEM with Grant option
- /
- --METADATA type:grant object:v_$transaction privilege:execute grantee:system
- GRANT SELECT onSys. v_$TRANSACTION toSYSTEM with Grant option
- /
- --METADATA type:grant object:gv_$transaction privilege:execute grantee:s
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