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- How to calculate data when Oracle flashes back one week ago?
- Yes, Oracle Flash Recovery can restore a database to a specific point in time, including data from a week ago. The specific steps are as follows: Determine the recovery point. Enable flashback logging. Create a flashback database. Open Flashback Database. Use the FLASHBACK TABLE command to restore data from one week ago. Commit the changes to complete the recovery.
- Oracle 1105 2024-04-18 18:12:18
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- How to roll back data in oracle
- Oracle data can be rolled back by using an UNDO tablespace to undo uncommitted changes. Use FLASHBACK queries to recover data at a specific point in time. Use recovery points to roll back to a known good state. Use a database backup to restore data if other methods are not available.
- Oracle 869 2024-04-18 18:09:14
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- How to roll back newly deleted data in oracle
- Deleted data in Oracle can be recovered in two ways: Undo tablespace: Use the FLASHBACK command to recover data from the undo tablespace that stores a copy of the deleted rows. Data recovery point: Use the RESTORE command to recover data from a copy of the data (recovery point) saved at a specific time in the database.
- Oracle 782 2024-04-18 18:06:18
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- How to use oracle database flashback function
- The flashback function of Oracle Database restores the database state at a past time point through the following steps: enable the flashback function; determine the recovery time point; perform a flashback operation, specifying the time point using an SCN number or timestamp; and verify recovery to the desired time point.
- Oracle 856 2024-04-18 18:00:32
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- How to set Oracle scheduled task to be executed every half hour
- Oracle scheduled tasks can be set to be executed every half hour through the following steps: 1. Create a scheduled task and set the repeat interval to 30 minutes. 2. Create a task and specify the scheduled task name and stored procedure as the task operation. 3. Create a stored procedure that contains the logic that needs to be executed. 4. Enable scheduled tasks.
- Oracle 1022 2024-04-18 16:03:12
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- How to set Oracle scheduled task to be executed every hour
- How to set Oracle scheduled task to be executed every hour? Log in to the Oracle database. Create a database package that contains the tasks to be performed. Create a scheduled task and specify it to repeat every hour. Create a job and assign it to a scheduled task. Just enable the job.
- Oracle 629 2024-04-18 16:00:26
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- How to view scheduled tasks in Oracle
- You can view Oracle scheduled tasks through the following methods: 1. Use the DBA_SCHEDULER_JOBS view; 2. Use the V$JOB_SCHEDULER view; 3. Use the DBMS_SCHEDULER.LIST_JOBS program. These methods can provide information about the task status, name, scheduling information, and other details.
- Oracle 912 2024-04-18 15:57:15
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- How to set up oracle scheduled tasks to be executed regularly within a certain period of time
- To set a task to be executed regularly within a specified time period in Oracle, you need to create a trigger and a job: 1. Use the trigger to specify the execution time period (start and end date) and the task to be executed; 2. Use the job to specify the trigger's Name, execution start date and recurrence frequency.
- Oracle 988 2024-04-18 15:54:18
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- What to do if Oracle scheduled task execution takes too long
- Oracle scheduled tasks that take too long to execute can be solved through the following steps: Determine the tasks that take too long to execute. Analyze queries to identify performance issues. Optimize queries to improve performance. Adjust task scheduling to reduce system stress. Optimize hardware to improve performance. Regularly monitor and adjust task performance to ensure it continues to operate at acceptable performance levels.
- Oracle 684 2024-04-18 15:52:18
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- How to write scheduled tasks in Oracle database
- Oracle database scheduled tasks can be written in the following three ways: Use the DBMS_SCHEDULER package to create Scheduler stored procedures and jobs. Create credentials and jobs using the Oracle Scheduler service. Configure the job using Oracle Enterprise Manager Console.
- Oracle 447 2024-04-18 15:48:15
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- How to create a scheduled task in oracle
- You can use the DBMS_JOB package to create scheduled tasks in Oracle. The steps are as follows: 1. Create a job (task); 2. Enable the job; 3. Disable the job; 4. Delete the job; 5. View the job information. For example, to run a task named "my_job" that executes a stored procedure named "my_procedure" every morning at 8:00 am, you would use the DBMS_JOB.SUBMIT and DBMS_JOB.ENABLE commands.
- Oracle 693 2024-04-18 15:45:25
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- How to check the oracle database instance name
- To view the Oracle database instance name, you can use four methods: Use the SQL command: SELECT INSTANCE_NAME FROM V$INSTANCE; Use the operating system command: ps -ef | grep oracle | grep -i INST Use Oracle Enterprise Manager using the dbms_system package
- Oracle 679 2024-04-18 15:39:14
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- How to change oracle database password
- How to change Oracle database password? Update the password using the ALTER USER command through SQL*Plus. Modify the password in the Security tab through Oracle Enterprise Manager (OEM). When you have SYSDBA authority, change the password with the ALTER SYSTEM command.
- Oracle 1025 2024-04-18 15:36:15
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- How to change oracle database password
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There are two ways to change the Oracle database password: Using the SQL command: ALTER USER
IDENTIFIED BY ; Using the Oracle Enterprise Manager console: Expand the Security tab > Users > Right-click the user > Reset Password. - Oracle 544 2024-04-18 15:33:13
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- What should I do if the Oracle database is not uninstalled cleanly?
- When the Oracle database is not uninstalled cleanly, residual files will appear in the registry and operating system, affecting subsequent installation or operations. The processing steps are as follows: check whether there are any residual entries in the registry; clean the operating system files and folders; reinstall the Oracle database; manually repair the Oracle service; and rebuild the Oracle network configuration.
- Oracle 608 2024-04-18 15:30:27