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Generally, Oracle is connected using the OCI interface of OracleClient (non-JDBC), and the local connection name localname is configured. Once an error occurs during the connection process, we Generally, we use the Oracle Client (non-JDBC) OCI

"Introduction to the Environment"System environment: Linux + Oracle 11.2.0.4.0 + python 2.7.10"Background description"Requirements: Because of the production database involved more, business boast multiple database use. When the business has some

The same project can sometimes involve multiple databases, or multiple data sources. Multiple data sources can be divided into two cases: 1) Two or more databases are not relevant, independent, in fact, this can be used as two projects to develop.

Oracle 10g Tutorials: Oracle Net Services In this tutorial you will learn Oracle Net Services-an overview, using Oracle Net manager, creating listeners, choosing general parameters, enable the tracing and logging for the database transactions. we

Listener.ora, Sqlnet.ora, Tnsnames.ora, are placed in the $oracle_home\network\admin directory. 　　 --begin Focus: The role and use of three files 　　 #-----------------------Sqlnet.ora (client and server side)-a nsswitch.conf file that acts like

Archiving logs in the slave database of Oracle Dataguard are not synchronized Environment: RAC + single-host DataguardProblem: when the slave database is started to the ADG mode, the archived logs in the background are not synchronized. 1. the

By using the database server side of the Sqlnet.ora file can be implemented to prohibit the specified IP host access to the database, which is a great help to improve the security of the database, at the same time, this technology for us to manage

Reprinted from: http://blog.csdn.net/leshami/article/details/5917103The Oracle client connection to the Oracle database server looks different from the network configuration in SQL serve, except that all SQL Server runs on the Windows platform, so

One, the description database version 11g, single instance ADG. The operating system version is SuSE SP3. ip:192.168.1.11 Repository ip:192.168.1.12 Second, the requirements of the main library needs to modify the IP address, to ensure the normal

Some ASP. NET + Oracle 11g learning and writing essays. This seriesArticleIt can help. net that is unfamiliar with Oracle and is not even used at all.ProgramStaff, can get started and develop applications in the shortest time, to avoid having to