Oracle DBA
Monday, April 15, 2019
Canada PR
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Canada immigration official https://www.canada.ca/home.html English and French are official languages in Canada. CRS (Comprehensive R...
Thursday, February 22, 2018
Interview Questions
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What are the different kernel parameters? Why do we set kernel parameters? What happens to the database instance If database is ...
Saturday, February 17, 2018
Result: PRVF-4007 : User equivalence check failed for user "grid"
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[grid@oel01 grid]$ ./runcluvfy.sh stage -post hwos -n oel01,oel02 -verbose Performing post-checks for hardware and operating system setup...
Monday, February 12, 2018
Deleting a node from the cluster
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Deleting a node from cluster Stop the database and ASM in the node. Remove the database and ASM. Remove the database software. Re...
Adding a node to the cluster
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Before adding a node, Install the operating system software. create/modify required users and groups. Configure kernel parameters. Con...
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Real Application Clusters
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Master Node in RAC can be identified by select * from gv$gcs_resource; The node which takes the auto backup of OCR is called master nod...
Thursday, February 8, 2018
Sequential Read and Scatter Read
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A db file sequential read is a single-block read and db file scatter read is a multi block read. db file sequential read - A single-bloc...
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