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Oracle Protocol Support: interfaces with underlying networking protocols such as TCP/IP, named pipes, or Sockets Direct Protocol (SDP). The listener. The listener process(es) on a server detect incoming requests from clients for connection - by default on port 1521 - and manage network-traffic once clients have connected to an Oracle database.
Oracle 9i addressed this issue: RAC uses a dedicated network connection for communications internal to the cluster. Since all computers/instances in a RAC access the same database, the overall system must guarantee the coordination of data changes on different computers such that whenever a computer queries data, it receives the current version ...
Transparent Network Substrate. Transparent Network Substrate (TNS), a proprietary Oracle computer-networking technology, supports homogeneous peer-to-peer connectivity on top of other networking technologies such as TCP/IP, SDP and named pipes. TNS operates mainly for connecting to Oracle databases .
The Oracle Database Appliance ( ODA) is a database server appliance made by Oracle Corporation. It was introduced in September 2011 as the mid-market offering in Oracle's family of full-stack, integrated systems the company calls engineered systems. [1] The ODA is a single rack -mounted device providing a highly-available two-node clustered ...
For the purposes of Data Guard, each Oracle database functions either in a primary database role or in a standby database role - with the ability to transition from one role to the other. Physical standby (Redo Apply) A physical standby database replicates the exact contents of its primary database across the Oracle Net network layer. While the ...
Graph database. A graph database ( GDB) is a database that uses graph structures for semantic queries with nodes, edges, and properties to represent and store data. [1] A key concept of the system is the graph (or edge or relationship ). The graph relates the data items in the store to a collection of nodes and edges, the edges representing the ...
Distributed database. A distributed database is a database in which data is stored across different physical locations. [1] It may be stored in multiple computers located in the same physical location (e.g. a data centre); or maybe dispersed over a network of interconnected computers. Unlike parallel systems, in which the processors are tightly ...
In computing, the Oracle Call Interface ( OCI) consists of a set of C -language software APIs which provide an interface to the Oracle database . OCI offers a procedural API for not only performing certain database administration tasks (such as system startup and shutdown), but also for using PL/SQL or SQL to query, access, and manipulate data.