Flash recovery.RMAN backups are created in the Oracle database flash recovery area (FRA) on disk. The FRA is adirectorythat contains online and archived redo logs, flashback logs, control files and image copies. When disk space is required for new backups, the Oracle database removes backup...
interface, Oracle SQL Developer allows database users and administrators to do their database tasks in fewer clicks and keystrokes. A productivity tool, SQL Developer's main objective is to help the end user save time and maximize the return on investment in the Oracle Database technology stack...
interface, Oracle SQL Developer allows database users and administrators to do their database tasks in fewer clicks and keystrokes. A productivity tool, SQL Developer's main objective is to help the end user save time and maximize the return on investment in the Oracle Database technology stack...
Backup and recovery – ensure the integrity of the data in case of system failure. Oracle includes a powerful tool called Recovery Manager (RMAN) – allows DBA to perform cold, hot, and incremental database backups and point-in-time recoveries. Clustering – Oracle Real Application Clusters (R...
Oracle DB is also known as Oracle RDBMS and, sometimes, simply as Oracle. Techopedia Explains Oracle Database Databases are used to provide structure and organization to data stored electronically in a computer system. Before they were adopted, early computers stored data in flat file structures wh...
Oracle10gR2 官方文档 给出了详细解释(Oracle10gPerformance Tuning Guide 5.1.1.2 Time Model Statistics) The most important of the time model statistics is DB time. This statistics represents the total time spent in database calls and is a indicator of the total instance workload. It is calculated...
Oracle is one of the largest vendors in the enterprise IT market and the shorthand name of its flagship product, a relational database management system (RDBMS) that's formally called Oracle Database. The database software sits at the center of many corporate IT environments, supporting a mix...
It provides the ability to store RMAN scripts for global use by any database that has access to the repository D. It provides a means of storing all RMAN backup sets physically in an Oracle database server E. It provides the ability to store backup records for more than a year. ...
Excessive overhead results from operating system context switching between Oracle Database server processes when the number of server processes is high. Inefficient scheduling The operating system deschedules database servers while they hold latches, which is inefficient. ...
The operation occurs automatically but can also be explicitly invoked with the RMAN RECOVER BLOCK command. See Also: Chapter 19, "Performing Block Media Recovery" and the Oracle Database Backup and Recovery Reference RECOVER command SET NEWNAME Options The SET NEWNAME command is more powerful and...