Script to Export Database | Schema | Table using (Data pump expdp or Legacy...
Today I'm sharing script export_data.sh , it's included in the database administration bundle I'm using in day to day database administration activities. you can download the whole bundle from...
View ArticleOracle Database Administration Scripts | DBA Bundle
Introduction:Today I'm glad to share with you one of the most helpful tools I ever created to make the common database administration tasks faster, safer and more easier.This tool I named it DBA Bundle...
View ArticleAll About ASM
In this post I'll try to provide a brief summary for a huge topic like Automatic Storage Management (ASM), hopefully the reader find it useful in understanding ASM.-----------------What is...
View ArticleRecover Data from Damaged/Corrupted/Inconsistent/Offline/Truncated/Dropped...
When it comes to catastrophic scenarios where the database has been corrupted and there is no available backup, flashback feature was not turned on, database cannot be open due to errors or...
View ArticleScript To Ease The Job Of Gathering Statistics On Schema Or Table
Today I'll share a shell script to gather statistics on a full schema or table, hoping it will help saving your time, you can download the script from the this...
View ArticleOracle Database Health Check Script
Let me introduce to you dbdailychk.sh shell script, this script performs database health check and monitoring tasks on all Oracle databases (On Linux environments) such as:> CHECKING ALL DATABASES...
View ArticleAbout DEFAULT ROLES
There was a conversation between me and an auditor:Auditor: What is the default role for the database?Me: What do you mean by default role for the database? !!!!!!!!!!!Auditor: We found this...
View ArticleGathering Fixed Objects Statistics
What are the fixed objects:Fixed objects are the x$ tables and their indexes.Why we must gather statistics on fixed objects:If the statistics are not gathered on fixed objects, the Optimizer will use...
View ArticleHiding table Data from unauthorized Users
In this scenario I'll explain how to hide data on a table from unauthorized users even if these unauthorizes users have DBA privilege.After hiding the data from unauthorized users whenever they try to...
View ArticleHow To Calculate Your Network Bandwidth Speed
There is a great software called IPERF you can easily use it for testing the network bandwidth speed.Why IPERF is a great software to test bandwidth speed:Testing you network speed by copying a file...
View ArticleEasy Way to Configure VNC Server On Linux
Make sure that VNCserver package is already installed:# rpm -qa | grep vnc-servervnc-server-4.1.2-14.el5_6.6If not installed:Download the latest version of VNC server from this...
View ArticleAll About Statistics In Oracle
In this post I'll try to summarize all sorts of statistics in Oracle, I strongly recommend reading the full article, as it contains information you may find it valuable in understanding Oracle...
View ArticleUpgrade from 11.2.0.1 to 11.2.0.3 (Part I Software Installation)
Part I : environment preparation & 11.2.0.3 Software Installation (Standalone DB)In this part I'll discuss OUT-PLACE installation steps of Oracle 11.2.0.3 (standalone DB) on a Linux server already...
View ArticleUpgrade from 11.2.0.1 to 11.2.0.3 (Part II Database Upgrade)
Part II : Database Upgrade steps from 11.2.0.1 to 11.2.0.3 (Standalone DB)In this part I'll discuss database upgrade steps from 11.2.0.1 to 11.2.0.3, I already covered 11.2.0.3 database software...
View ArticleThe difference between granting direct privileges to a user and granting same...
>When granting a role to a user the user have to re-login to get use of that role.>When granting a privilege to a user the user can use it immediately. NO need to re-login.>Roles doesn't give...
View ArticleUpgrade RAC 11.2.0.1 to 11.2.0.3 (Part I Software Installation)
In this post I'll discuss full implementation of upgrading Oracle RAC 11.2.0.1 to 11.2.0.3, the new RAC 11.2.0.3 will be installed on a new hardware (outplace upgrade).This lengthy post (in order to...
View ArticleUpgrade from RAC 11.2.0.1 to 11.2.0.3 (Part II OS preparation, Grid...
In Part I I've installed the Linux OS and prepared the shared filesystem (ISCSI configuration & OCFS2)In this part I'll prepare the Linux OS for the RAC installation, install Grid Infrastructure...
View ArticleUpgrade from RAC 11.2.0.1 to 11.2.0.3 (Part III Create Standby database being...
In Part I I've installed the Linux OS and prepared the shared filesystem (ISCSI configuration & OCFS2) In Part II I've prepared the Linux OS for the RAC installation, installed 11.2.0.3 Grid...
View ArticleConfiguration Baseline Collector Script For Linux OS & Oracle Databases
Have you ever performed a change on your OS or DB and later you figured out that you need to revert back to the previous setting but you struggled a lot to do so?It happened to me before! but the good...
View ArticleManaged Recovery Stopped Applying Archives on Standby Database After Enabling...
I had a requirement to set the archive apply delay feature between the primary and the standby DB, where the archives will be sent immediately to the standby site but will get applied in a delay of one...
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