%META:TOPICPARENT{name="ConfigureTroubleshootDBMSsForDataAccess"}%
=Pre-Requisites for Connections to <nop>PostgreSQL=

==Basic DBMS & DBMS Version Support==

* [[Do OpenLink drivers connect to PostgreSQL?]]  
* [[WhichVersionsOfPostgreSQLAreSupportedByOpenLinkDrivers|PostgreSQL version support]]  
* [[HowCanIDetectMyPostgreSQLDBMSVersion|Detecting the PostgreSQL DBMS version]]  

==Database Native Client Requirements==

* [[WhatIsThePostgreSQLNativeClient|Understanding the PostgreSQL native client]]  
* [[When do I need the PostgreSQL native client?]]  
* [[WhereCanIGetThePostgreSQLNativeClient|Obtain the PostgreSQL native client]]  
* [[HowDoIConfigureThePostgreSQLNativeClient|Configure the PostgreSQL native client]]  

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

* [[WhatValueDoesThePGHOSTEnvironmentVariablePass|PGHOST]]  
* [[WhatValueDoesThePGPORTEnvironmentVariablePass|PGPORT]]  

==Database Native Settings You Need to Know==

* [[HowDoIFindMyPostgreSQLListeningPort|Identify the PostgreSQL listening port]]