connect access to oracle 11g

) (PORT = 1521)) (connect_data = nbsp; (SERVER = dedicated) (service_name = oracle.bak) ) oracle Home is the Oracle client path, mine is e:\oracle\instantclient _12_1,oci Library is e:\oracle\instantclient_12_1 \oci.dll. With these two things you should be able to

If Oracle 11G reports that Enterprise Manager cannot connect to the database instance, You Can troubleshoot the problem as follows: 1. Use SQL PLUS. Run SQL PLUS in DOS mode. SQL> conn Enter the User name: sys as sysdba Enter the password: Connection successful SQL> desc dba_users Note: If this prompt shows that the view is invalid. Create user_astatus_map with D

A solution that prompts "ORA-01788: This query block requires a connect by clause" when creating a remote materialized view on Oracle 11g maps a table on the remote server to a local materialized view, use the following statement: www.2cto.com ---- create database link lnk connect to user1 identified by pwd1 using '(DE

1, adding referencesSystem.Data.OracleClient2, Connection statementString connectionString;String queryString;connectionString = "Data source=127.0.0.1/orcl; User Id=scott; Password=tiger ";queryString = "SELECT * from TEST";OracleConnection myconnection = new OracleConnection (connectionString);OracleCommand Myoraccommand = Myconnection.createcommand ();Myoraccommand.commandtext = queryString;Myconnection.open ();OracleDataReader MyDataReader = Myoraccommand.executereader ();Mydatareader.read (

click on the number of buttons: Start debugger or press F9;3), Last click: RUN or Ctrl+r.debugging shortcut keysToggle Breakpoint: Ctrl+bStart: F9Run: Ctrl+rSingle Step Into: Ctrl + NStep Skip: Ctrl+oSingle Step exit: Ctrl+tRun to Exception: Ctrl+y8. Template shortcut keys9. My Objects is automatically selected by default after loginBy default, after Plsql developer is logged in, Brower will select all objects, and if you are logged on as a DBA, you will need to wait a few seconds for the table

Sysdba sql*plus:release 11.2.0.3.0 Production on Sun June 25 16:07:3 3 2017 Copyright (c) 1982, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition release 11.2.0.3.0-production with the partitioning, OLAP, Data Mining and real application testing options sys@priocm> Select Db_unique_name,name,database_role, Switchover_status

Tnsnames.ora file can also be copied from the Network\admin directory of the Oracle database home directory, as well as the Sqlnet.ora.) Then determine whether the host configuration is correct, if host is the hostname, you need to remove the domain name after the hostname) 3. Configuring the Oracle Home and OCI libaray for PL/SQL developerEnter the PL/SQL Developer in non-logon mode, designate the

of the Tnsnames.ora file. For example, my machine is: d:/instantclient_11_2/network/admin4, set the language of Oracle, add the environment variable Nls_lang, the value is simplified Chinese_china. Zhs16gbkAssuming that the Oracle language of the remote database is unclear, SSH or telnet to the remote machine, enter in the command interface, and connect to the d

example, my machine is: d:/instantclient_11_2/network/admin4. Set the Oracle language, add the environment variable Nls_lang, and the value is simplified Chinese_china. Zhs16gbkIf you do not know the Oracle language of the remote database, you can ssh or telnet to the remote machine, enter it at the command interface, and connect to the database using the comman

; Path:D:\app\Administrator\diag\rdbms\orcl\orcl\trace\alert_orcl.log A large number of errors are found by viewing the log:tns-12537: TNS: Connection off 12560 0 0 0By Baidu error keyword "Tns-12537:tns: Connection Close", found an article:http://blog.itpub.net/23169974/viewspace-1067401/This article describes the problem that the Listener.log log file is too large to cause a service exception, and feels like my own.5. View Listener.log LogThe file was

Configure IP address access restrictions for Oracle 11g For data security considerations, make some restrictions on the IP address of the Oracle database. Only a fixed IP address can be accessed. Modify the $ JAVA_HOME/NETWORK/ADMIN/sqlnet. ora File Add the following content (marked in red ): # Enable ip address Re

Label:Summary: 64-bit operating systems when you deploy a. NET program to access Oracle, you cannot connect to the problem. (Note: The client is a 64-bit system, whether the server is 64-bit or 32-bit independent.) ）1. Search for the relevant version of the ODAC URL on the Oracle website: http://www.oracle.com/cn/solut

OBIEE 11g BI Management tool connection OCI 10g/11g data source times wrong [connection failed] OBIEE 11g Client Admin tools Connection to Datasource in Offline Mode fails Wit H Error "The Connection has FailedUsing OBIEE 11g BI management tool to import metadata, when connecting the OCI 10g/

access to a common shared database. Each instance has its own SGA, PGA, and background processes, which should be familiar because in a RAC configuration, each instance will need to be supported by these background processes. There are several ways to understand how RAC works and how it operates.(i) SCNThe SCN is a mechanism that Oracle uses to track the sequencing of changes within a database, and it can

Stopping OracleWe should now is able to start Oracle database if you had choosed to create one during installation.If you had not yet created any Oracle instance and database use the $ORACLE _HOME/BIN/DBCA Assistant to do.Starting up the databaseOnce your server has been restarted, your database may not start. To solve this issue, first check in/etc/oratab that

Windows 10 x64 installation and configuration of Oracle 11g process records (Graphic tutorial), Windows 10 11g Note: I want to install an oracle exercise on my computer, but I am afraid of problems during the installation process, and oracle uninstallation is notoriously tro

user can connect from a pre-release 11g database toa 11g release database and as the password case sensitivity is enabled bydefault, you must re-create the password for this database link using alluppercase letters.The reason you need to re-create the password using all uppercase letters is sothat it will match how Oracle