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Active Data Guard. The "Oracle Active Data Guard" option, an extra-cost facility, extends Oracle Data Guard functionality in Oracle 11g configurations. It allows read-only access on the Physical standby node at the same time as applying archived transactions from the primary node.
Oracle Database (commonly referred to as Oracle DBMS, Oracle Autonomous Database, or simply as Oracle) is a proprietary multi-model [4] database management system produced and marketed by Oracle Corporation . It is a database commonly used for running online transaction processing (OLTP), data warehousing (DW) and mixed (OLTP & DW) database ...
In database computing, Oracle Real Application Clusters ( RAC) — an option [1] for the Oracle Database software produced by Oracle Corporation and introduced in 2001 with Oracle9i — provides software for clustering and high availability in Oracle database environments. Oracle Corporation includes RAC with the Enterprise Edition, provided ...
Oracle Data Guard; Oracle Streams; In Oracle Data Guard primary databases the queue monitor process (often running as qmn0) interacts with AQ. As of Oracle release 9.2, AQ comes bundled with Standard Edition and Enterprise Edition at no extra cost. As of Oracle release 10.1, AQ is integrated into Oracle Streams, and is called "Oracle Streams AQ".
Oracle Streams. In computing, the Oracle Streams was a product from Oracle Corporation that encouraged users of Oracle databases to propagate information within and between databases. It provided tools to capture, process ('stage') and manage database events via Advanced Queuing queues . Oracle Streams was the flow of information either within ...
Oracle Corporation is an American multinational computer technology company headquartered in Austin, Texas, United States. [5] In 2020, Oracle was the third-largest software company in the world by revenue and market capitalization. [6] In 2023, the company’s seat in Forbes Global 2000 was 80. [7]
In the Oracle RDBMS environment, redo logs comprise files in a proprietary format which log a history of all changes made to the database. Each redo log file consists of redo records. A redo record, also called a redo entry, holds a group of change vectors, each of which describes or represents a change made to a single block in the database.
Data Guard can manage Hybrid configurations (both OS, platform, and RDBMS version) according to an extent matrix compatibility list. But it can be configured in a Oracle 11.2.0.1 Windows 32 bit primary DB, with a Oracle 11.2.0.3 RHEL 64 bit Logical Standby DB