%META:TOPICPARENT{name="ConfigureTroubleshootDBMSsForDataAccess"}%
=Pre-Requisites for Connections to Oracle=

==Basic DBMS & DBMS Version Support==

* [[Do OpenLink drivers connect to Oracle?]]  
* [[Which versions of Oracle are supported by OpenLink drivers|Oracle version support]]  
* [[How can I detect my Oracle DBMS version?|Detecting the Oracle DBMS version]]  

==Database Native Client Requirements==

* [[WhatIsTheOracleNativeClient|Understanding the Oracle native client]]  
* [[When do I need the Oracle native client?]]  
* [[WherecanIgettheOraclenativeclient|Obtain the Oracle native client (a.k.a. "Net8", "Net9", "Net10")]]  
* [[HowDoIConfigureTheOracleNativeClient|Configure the Oracle native client]]  

==Key Database Native Variables (Set Before <nop>OpenLink Install)==

* [[WhatValueDoesTheORACLE_HOMEEnvironmentVariablePass|ORACLE_HOME]]  
* [[WhatValueDoesTheORACLE_SIDEnvironmentVariablePass|ORACLE_SID]]  

==Database Native Settings You Need to Know==

* [[HowDoIFindMyOracleSID|Identify the Oracle SID]]  
* [[HowDoIFindMyOracleTCPPort|Identify the Oracle TCP port]]  
* [[HowDoIFindMySQL*NetOrNetServiceName|Identify the SQL*Net or Net Service Name]]  

==Database Configuration for Unicode==

* [[UnicodeConfig|Unicode Configuration]]

==Database Configuration for XA Support==

* [[OracleConfigXASupport|XA Configuration]]