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DataDirect Connect Drivers : Oracle Driver : Connection Properties : TNSServerName
  
TNSServerName
Purpose
The Oracle net service name that is used to reference the connection information in a tnsnames.ora file. The value of this property must be a valid net service name entry in the tnsnames.ora file specified by the TNSNamesFile property.
Valid Values
string
where:
string
is a valid Oracle net service name.
Behavior
If this property is specified, you also must specify the TNSNamesFile property.
Notes
*If this property is specified, do not specify the following properties to prevent connection information conflicts:
AlternateServers
FailoverMode
LoadBalancing
PortNumber
ServerName
ServerType
ServiceName
SID
If any of these properties are specified in addition to this property, the driver throws an exception.
Default
None
Data Type
String
See also
Using tnsnames.ora Files