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How do you restart fail RMAN backup oracle?
how to restart fail RMAN backup
Explain the difference between a hot backup and a cold backup and the benefits associated with each?
Cold Backup- We can take the Backup while DB(eg. Oracle) is down.Hot Backup-We can take the Backup while DB(eg. Oracle) is running.Cold backup is a physicalbackup. During a cold backupthe databaseis closed and not available to users. All files of the databaseare copied (image copy). The datafiles do not change during the copy so the databaseis in sync upon restore.Used when:Service level allows for some down time for backupHot backup is a physical backup. In a hot backup the database remains open and available to users. All files of the database are copied (image copy). There may be changes to the database as the copy is made and so all log files of changes being made during the backupmust be saved too. Upon a restore, the changes in the log files are reapplied to bring the databasein sync. Used when:A full backupof a databaseis neededService level allows no down time for the backup
What is Oracle Database Services?
Oracle Database support services. Data PatrolTech is a technology company in Pune that offers a range of IT services, including Oracle Database Services.These services involve managing and maintaining Oracle databases for businesses and organizations. Oracle Database Services typically include tasks such as installation, configuration, backup and recovery, performance tuning, security management, and troubleshooting.For information you visit our site.
Backup and Recovery methods in Oracle 10g?
In Oracle 10g, backup and recovery methods primarily involve two approaches: physical and logical backups. Physical backups can be performed using RMAN (Recovery Manager) or through operating system commands, allowing for full or incremental backups of the database files. Logical backups, on the other hand, can be achieved using the Data Pump utility or the Export/Import utilities, which focus on backing up and restoring database objects. RMAN provides advanced features for automating backup processes, validating backups, and performing point-in-time recovery, making it a preferred choice for many database administrators.
What does osdba mean?
OSDBA stands for "Oracle System Database Administrator." It refers to a role or set of privileges in Oracle Database environments, typically associated with managing and maintaining the database system. An OSDBA has the necessary permissions to perform critical tasks such as database creation, backup, recovery, and user management, often leveraging operating system-level access. This role is essential for ensuring the performance, security, and reliability of Oracle databases.
How do you migrate Oracle 9i to 11g?
To migrate Oracle 9i to 11g, you can use the Database Upgrade Assistant (DBUA) or perform a manual upgrade. First, ensure that your Oracle 9i database is compatible with the 11g version by reviewing the Oracle documentation for any deprecated features. Create a backup of your database, then install Oracle 11g software and use the DBUA to guide you through the upgrade process, or manually upgrade by exporting the 9i database and importing it into the 11g environment. Finally, run necessary post-upgrade scripts and validate the migration.
Which types of backups you can take in Oracle?
Cold(offline) backup / Hot (Online) backup, Logical backups using Exp and imp client utilities, RMAN Backups.
Do All DBMSs have built-in backup utilities?
Not all Database Management Systems (DBMSs) come with built-in backup utilities; it largely depends on the specific system. While many popular DBMSs, like MySQL, PostgreSQL, and Oracle, provide built-in tools for backup and recovery, others may require external solutions or third-party tools for comprehensive backup management. Additionally, the functionality and ease of use of these utilities can vary significantly between different systems. Therefore, it's essential to evaluate the features of a specific DBMS to determine its backup capabilities.
What is oracle DBA?
An Oracle database administrator (DBA) is a professional responsible for the design, implementation, maintenance, and performance of an Oracle database system. They handle tasks such as user management, security, backup and recovery, and tuning the database for optimal performance. Additionally, they play a crucial role in troubleshooting and resolving any issues that may arise in the database environment.
What are the database management activities?
Make sure the database does not run out of space. Nowdays no manual intervention is required in products from major database vendors like Oracle. Make sure the database jobs are running with no issues. Configure, Schedule backups Make sure backup and recovery procedures work as configured. Database security is another task.
What is the difference between oracle and visual basic which one is the best suited for backup database system?
Oracle is a RDBMS software, means, Oracle holds the database (data created/updated using application). Visual basic is tool to develop applications & this is from Microsoft. You can write programs/application to access the data from the RDBMS like Oracle, Microsoft SQL Server, etc. Since the functionality differs (i.e. Oracle = RDBMS & Visual basic =Application development Tool) for the two software applications, "which one is the best" can not be answered.
What are the different types of physical files in the Oracle 9i?
* Database datafiles - contain the data itself * Control files - binary files containing information about the database (name, files, backup...) * Online redo logs - files, which record every transaction in the database * Parameter files - database parameter file * Other database related files - password files, alert log, trace files...
