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David Marcos' Blog | Just another Oracle weblog | davidalejomarcos.wordpress.com Reviews
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Just another Oracle weblog
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Scripts | David Marcos' Blog
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David Marcos' Blog. Just another Oracle weblog. No comments yet — be the first. Leave a Reply Cancel reply. Enter your comment here. Fill in your details below or click an icon to log in:. Address never made public). You are commenting using your WordPress.com account. ( Log Out. You are commenting using your Twitter account. ( Log Out. You are commenting using your Facebook account. ( Log Out. You are commenting using your Google account. ( Log Out. Notify me of new comments via email.
Executing sql on all Exadata nodes. | David Marcos' Blog
https://davidalejomarcos.wordpress.com/2011/09/22/executing-sql-on-all-exadata-nodes
David Marcos' Blog. Just another Oracle weblog. Executing sql on all Exadata nodes. Posted by David Alejo Marcos in Exadata. From time to time, I have to run scripts or single commands on all nodes for Exadata. This can take some time. We have a request from our developers to flush the shared pool on all nodes on our UAT Exadata. This is due to a bug we are still experiencing. This is a typical request for my team, were we have to run something on all our nodes. Flushing shared pool can be one of them.
SQL Monitor details for later tuning. | David Marcos' Blog
https://davidalejomarcos.wordpress.com/2012/03/29/sql-monitor-details-for-later-tuning
David Marcos' Blog. Just another Oracle weblog. SQL Monitor details for later tuning. Posted by David Alejo Marcos in Exadata. Tuning has always being good fun and something like a challenge for me. From time to time we are being asked to find out why something did run slow while you are sleeping; answering this question is, in most cases, a challenge. My batch did run slow last night, can you let us know why? Or why did this query run slow? Are questions we, as DBAs, have to answer from time to time.
Copyright | David Marcos' Blog
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David Marcos' Blog. Just another Oracle weblog. All content is David Marcos and “David Marcos’ Blog”, 2009-2011. Unauthorized use and/or duplication of this material without express and written permission from this blog’s author and/or owner is strictly prohibited. Excerpts and links may be used, provided that full and clear credit is given to David Marcos and “David Marcos’ Blog” with appropriate and specific direction to the original content. No comments yet — be the first. Enter your comment here.
How to list files on a directory from Oracle Database. | David Marcos' Blog
https://davidalejomarcos.wordpress.com/2011/09/13/how-to-list-files-on-a-directory-from-oracle-database
David Marcos' Blog. Just another Oracle weblog. How to list files on a directory from Oracle Database. Posted by David Alejo Marcos in Exadata. Couple of days ago I had an interesting request, “How can I see the contents of nfs dir”? We were using DBFS to store our exports. This was the perfect solution as the business could “see” the files on the destination folder, but it did not meet our requirements performance wise on our Exadata. After some research I came across with the following package:. While ...
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How to find Virtual Box Guest Addition version in Oracle Linux | Neeraj Vasudeva's Blog
https://neerajvasudeva.wordpress.com/2013/07/24/how-to-find-virtual-box-guest-addition-version-in-oracle-linux
Neeraj Vasudeva's Blog. Neeraj Vasudeva's Blog about Oracle Database. How to find Virtual Box Guest Addition version in Oracle Linux. How to find Virtual Box Guest Addition version in Oracle Linux. July 24, 2013. Recently I broke VirtualBox Guest Addition within my OracleLinux box and was not sure what version am I really running. Here goes a simple command to check version. Root@pr ]# modinfo vboxguest. Leave a Reply Cancel reply. Enter your comment here. Address never made public). Running GUI via putty.
Connect to Oracle Linux O/S without password !! | Neeraj Vasudeva's Blog
https://neerajvasudeva.wordpress.com/2013/07/25/connect-to-oracle-linux-os-without-password
Neeraj Vasudeva's Blog. Neeraj Vasudeva's Blog about Oracle Database. Connect to Oracle Linux O/S without password! Connect to Oracle Linux O/S without password! July 25, 2013. Do not attempt this on critical or Production System. I run multiple VirtualBox hosting Oracle Linux with Oracle database. It’s like a playground for me to do lot of oracle stuff. Every time I have to take a connection , It’s painful to enter id/pwd for these so called playground system. Here is a little cheat trick. If anyone get...
Running GUI via putty | Neeraj Vasudeva's Blog
https://neerajvasudeva.wordpress.com/2013/04/24/running-gui-via-putty
Neeraj Vasudeva's Blog. Neeraj Vasudeva's Blog about Oracle Database. Uncategorized Running GUI via putty. Running GUI via putty. April 24, 2013. At times we have to invoke some sort of gui client ( let’s say Oracle Installer etc ) from putty. It can be a pain to have it started, but if things are configured properly it’s not that difficuilt. For this exercise, we would require following software. A free open source based terminal emulator through which you can connect to your unix, linux box. Go to Star...
Adventures In DBAsitting: OMG What Do I Do? - "The database is slow!" - Part II
http://dbrat.blogspot.com/2011/03/omg-what-do-i-do-database-is-slow-part.html
OMG What Do I Do? The database is slow! Okay, when we last left our heroine, she was bravely dodging the arrows of slow databasity. Well, here's the thing. When someone says their database is slow, what does this mean? I don't mean what's causing it, I mean what is the client really trying to say? Me: "Oh my god! It's just. creeping! Sr DBA DE: "Hmm. When did this start? As he types on something completely unrelated in the background.). Me: "Um, when? Me: Trying not to have the panic show in my voice, I ...
Adventures In DBAsitting: June 2012
http://dbrat.blogspot.com/2012_06_01_archive.html
What-What © Duplicate Clone using RMAN. Seriously, a duplicate clone using RMAN is about the most fun anyone can do with a database. why? Because it's EASY. It WORKS. It never ever goes WRONG. So here's what to do. step by step. Refreshing a test database from a production database using RMAN duplicate (UNIX SYSTEM). Verify Server name Database name and Database version on both production and test sides. Check mount point of TARGET (PRODUCTION) and AUXILIARY (DEV/TEST) databases. Instance name @ hostname.
Adventures In DBAsitting: How Do I Do That? - Installing a pks, pkb file
http://dbrat.blogspot.com/2011/03/how-do-i-do-that-installing-pks-pkb.html
How Do I Do That? Installing a pks, pkb file. S" before "B" when using the "P". Just when I was feeling a little more secure in tidbits of knowledge, I got a request from a client today. Please run a simple SQL statement in Production. Okay", I thought, "Here goes! Then I got another request two minutes later. Please run these two attachments. Attachments: ThingOne.pkb; ThingOne.pks]. What was I supposed to DO with them? Was I supposed to RUN them? Was I supposed to import them into a schema? Sr DBA R sh...
Adventures In DBAsitting: REFRESHING A DATABASE
http://dbrat.blogspot.com/2011/07/refreshing-database.html
No, this is not about how cool and refreshing a database can be, although I certainly do think they can be. This is like one of the most important things a database administrator can do, and just like everything else we do in our jobs there are like 10 DIFFERENT WAYS TO DO IT! So, first way to refresh and the easiest, I swear, is doing a duplicate from a cold backup. OMG, you say, I can't bring my production database down for ANY amount of time, love, nor money! Whatever shall I do! A little background&#...
Adventures In DBAsitting: July 2011
http://dbrat.blogspot.com/2011_07_01_archive.html
OMG What Do I Do? The database is slow! So, the last time I wrote an epic adventure about my databasing, it was like, three months ago. I've learned a LOT in the last three months. More vi practicing, how to refresh a database, how to do datapump imports and exports, moving lobs. in fact I am going to move a lob today! Four of them in fact! I'll post about that later. What I really wanted to discuss quickly was how the smallest of changes can really F*& up how a database coughs up information to users.
Adventures In DBAsitting: PANIC TIME or OMG HE'S LEAVING IN 7 DAYS!!
http://dbrat.blogspot.com/2011/04/panic-time-or-omg-hes-leaving-in-7-days.html
PANIC TIME or OMG HE'S LEAVING IN 7 DAYS! So I have seven days. What do we do? Imports/Exports. Tuning. Partition maintenance. Architecture advice. Moving databases. Working with upgrades. Running scripts in Production. Reports. And this is just the stuff I know about. I'm sure it will be JUST FINE. In the meantime, I'm getting over a horrible cold and swigging down Sarah Silverman orange Cold/Flu relief cough syrup. Subscribe to: Post Comments (Atom). PANIC TIME or OMG HES LEAVING IN 7 DAYS!
Adventures In DBAsitting: March 2011
http://dbrat.blogspot.com/2011_03_01_archive.html
How Do I Do That? Installing a pks, pkb file. S" before "B" when using the "P". Just when I was feeling a little more secure in tidbits of knowledge, I got a request from a client today. Please run a simple SQL statement in Production. Okay", I thought, "Here goes! Then I got another request two minutes later. Please run these two attachments. Attachments: ThingOne.pkb; ThingOne.pks]. What was I supposed to DO with them? Was I supposed to RUN them? Was I supposed to import them into a schema? Sr DBA R sh...
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David Marcos' Blog | Just another Oracle weblog
David Marcos' Blog. Just another Oracle weblog. SQL Monitor details for later tuning. Posted by David Alejo Marcos in Exadata. Tuning has always being good fun and something like a challenge for me. From time to time we are being asked to find out why something did run slow while you are sleeping; answering this question is, in most cases, a challenge. My batch did run slow last night, can you let us know why? Or why did this query run slow? Are questions we, as DBAs, have to answer from time to time.
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