How to Create SSH Tunneling or Port Forwarding in Linux to connect with Oracle database on Cloud

How to Login to Oracle Cloud Database on port 1521 using SSH tunnel with Linux client $ ssh -i private-key-file -L local-port:target-ip-address:target-port opc@target-ip-address private-key-file is the path to the SSH private key file. local-port is the number of an available port on your Linux system. Specify a port number greater than 1023 and less than […]

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Oracle partitioned table

What is Oracle Partitioned Table? Partitioning divides a table, index, or index-organized table into smaller components. Each component is called a partition (or subpartition for composite partitioned objects). Every partition has a unique name, and may optionally have individual storage characteristics: examples include compression, or being stored in different tablespaces. A well-designed partitioning strategy can

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ORA-00054: resource busy and acquire with NOWAIT specified

ORA-00054: resource busy and acquire with NOWAIT specified is a common error seen in Oracle Database Reference: Oracle documentation This generally happens when you try to execute a DDL on the table which is locked by transaction .It also happens if  select for update statement is executed with NOWAIT option Example SQL> alter table emp add

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Oracle RMAN Interview Questions

Here is useful 33 Oracle RMAN interview questions . This is good for both junior level and experienced professional . I hope you like this compilation on Oracle RMAN interview questions. Question 1 What is RMAN?AnswerRMAN stands for recovery manager.it is a utility that can manage your entire Oracle backup and recovery activities. Question 2

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