CONNECT_DATA
The portion of the connect descriptor that defines the destination database service name or Oracle System Identifier (SID). In the following example, SERVICE_NAME specifies a database service called sales.us.example.com:
(DESCRIPTION=
(ADDRESS=(PROTOCOL=tcp)(HOST=sales-pc)(PORT=1521)
(CONNECT_DATA=(SERVICE_NAME=sales.us.example.com)))
CONNECT_DATA can be configured with advanced connection information.
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