This article describes how to change the id and name of a database that is running as RAC, what operations should be done before and …
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How To Find Most Expensive Queries in SQL Server
One of the first things that we look at to improve performance in systems that have performance problems is the ones that finding queries that …
Read More »ORA-27086: unable to lock file – already in use
When nfslock service is turned off, export ends with an ORA-27086 error when trying to backup on a NFS mounted directory. To resolve this error, …
Read More »How To Deny Backup to Database Owners in SQL Server
When you authorize logins as db_owner in the database, your disks may be full at an unexpected time. Because a login who has the db_owner …
Read More »RMAN Encrypted Backup
For improved security, RMAN backups can be encrypted. Encrypted backups cannot be read by unauthorized persons. A password or wallet is required to return from …
Read More »How To Create Database Role in SQL Server
When authorizing users in databases, you can use system-defined roles such as db_datareader, db_datawriter, db_owner, or database-level permissions, such as Execute, View Definition. If there …
Read More »Scheduled Job List in Oracle Databases
You can take advantage of the following views to find scheduled jobs and currently running jobs in Oracle databases. USER_SCHEDULER_JOBS, ALL_SCHEDULER_JOBS, DBA_SCHEDULER_JOBS views can be …
Read More »diskgroup is not compatible for database usage
While creating a database with DBCA, when “General_Purpose” template is selected, this error is received because the “compatible” parameter in the template is lower than …
Read More »How To Check User Privileges in SQL Server
Due to the principle of “minimum authority for maximum security”, we should regularly check which user is authorized on the sql server, and revoke the …
Read More »How To Send an Email After Failed Jobs
To send mail through the SQL Server, you must first configure Database Mail. You can find details in the article “How To Configure Database Mail …
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