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Overview Dashboards in Splunk are used to represent meaningful information's in a graphical or statistical way in order to get...
Month: October 2023
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The nohup command runs the command specified by the Command parameter and any related Arg parameters, ignoring all hang up...
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Where two or more instances attempt to control a cluster database. Each node in this cluster are interconnected through private...
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Oracle products follow a custom release-numbering and -naming convention. The "c" in the current release, Oracle Database 23c, stands for...
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1. As a laymen, consider a user/application requests a connection request to the Oracle database through his login credential. 2....
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The orainstRoot.sh and root.sh scripts are created in the last phase of installation and stored in the locations /<path to...
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Voting disks manage information about node membership. Each voting disk must be accessible by all nodes in the cluster for...
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Oracle Clusterware includes three components: voting disks, Oracle Cluster Registry (OCR), and Oracle Local Registry (OLR). ■ Voting disks manage...
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Enqueues are locks that coordinate access to database resources. This event indicates that the session is waiting for a lock...
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This wait indicates that we are waiting for a read operation which reads a number of contiguous blocks from disk....
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This event signifies that the user process is reading a buffer into the SGA buffer cache and is waiting for...
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Overview of Inventory: The inventory is a very important part of the Oracle Universal Installer. This is where OUI keeps...
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TX lock contention is an application coding, design and usage problem and can ONLY be fixed by changing application code...
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In case if we want to identify duplicates rows of a table and want to remove them from a table. ...
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Once the standby database is configured and verified to be working properly, we can switch over to the standby database...
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Oracle uses two different index architectures: b-Tree indexes and bitmap indexes. Cluster indexes, bitmap join indexes, function-based indexes, reverse key...
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Block-Corruption-RecoveryDownload What is a data block corruption? Data block corruptions occur whenever data is not in its expected state. Data...
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Why there is a need to upgrade Oracle 12c Database? The most important reason to upgrade 12c is to enjoy...
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What is use of INDEXFILE option in imp? Will write DDLs of the objects in the dumpfile into the specified...
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What is use of CONSISTENT option in exp? When you export a table, you are guaranteed that the contents of...
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Below is the error while I was upgrading my test environment. SQL> alter pluggable database application CODDY begin upgrade '1.3'...
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In Oracle Database, a redo log thread refers to a specific instance of redo log processing within the database. Redo...
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Scenario 1: If the jobs are running too frequently, it is possible the queries are not releasing the lock and...
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A full table scan reads all rows from a table, and then filters out those rows that do not meet...
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