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Data Guard supports both physical standby and logical standby sites. Oracle Corporation makes Data Guard available only as a bundled feature included within its "Enterprise Edition" of the Oracle RDBMS. [1] With appropriately set-up Data Guard operations, DBAs can facilitate failovers or switchovers to alternative hosts in the same or ...
Before an Oracle database changes data in a datafile it writes changes to the redo log. If something happens to one of the datafiles, a recovery procedure can restore a backed-up datafile and then replay the redo written since backup-time; this brings the datafile to the state it had before it became unavailable.
The Oracle Certified Specialist (OCS) credentials are typically implementation-oriented certifications targeting employees of current Oracle partners, though the certifications are available to all candidates, partner or not. These certifications are built on very focused products or skillsets and provide a solid measure of a candidate's level ...
The Oracle Zero Data Loss Recovery Appliance [1] (Recovery Appliance or ZDLRA) is a computing platform that includes Oracle Corporation (Oracle) Engineered Systems hardware and software built for backup and recovery of the Oracle Database. It performs continuous data protection, validates backups, automatically resolves many issues, and ...
Oracle Database 23ai: 23.4.0 On May 2, 2024, Oracle Database 23ai [10] was released on Oracle Cloud Infrastructure (OCI) as cloud services, including OCI Exadata Database Service, OCI Exadata Database Cloud@Customer, and OCI Base Database Service. It is also available in Always Free Autonomous Database.
It provided tools to capture, process ('stage') and manage database events via Advanced Queuing queues. Oracle Streams was the flow of information either within a single database or from one database to another. Oracle Streams can be set up in homogeneous (all Oracle databases) or heterogeneous (non-Oracle and Oracle databases) environments.
Required skills for database administrators include knowledge of SQL, database queries, database theory, database design, specific databases, such as Oracle, Microsoft SQL Server, or MySQL, storage technologies, distributed computing architectures, operating systems, routine maintenance, recovery, and replication/failover. [3] [4] [5] [6]
Data Guard or data guard may refer to: Guard (information security) - a security mechanism for computers on separate networks Oracle Data Guard - software for replicating Oracle databases