Tag: Pythian

The responsibility of “root”

Systems Administrators often hold the “keys to the kingdom”.  In a data driven world, every IT asset has the potential to have multiple privileged accounts, which can introduce risk to your business and your data.  From the SuperUser to the…

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Discoverer 11.1.1.7 Installation and Integration to R12.1.3 Instance

This blog gives instructions on how to install Discoverer 11.1.1.7 and get it integrated to your R12.1.3 instance. For easy installation, I have provided all of the important screen shots in a slidehare Word document. These will guide you through…

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Oracle free block corruption – test case

My very first blog post at Pythian – Trick or Treat? So there I was, faced with more that 4000 block corruptions as shown from v$database_block_corruption. The script  corrupt_seg.sql identified the corruption as Free Block Corruption (block not associated with any segments)….

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SQL Server Instance in Script Upgrade mode

Introduction: Almost all of us in our DBA life would have patch/upgrades SQL Server instance and would have faced many issues while upgrading the SQL Server build. Today I will discuss in little detail about the background of the Script…

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Improve Gather Stats in Oracle E-Business Suite

One important aspect of a healthy Oracle database is database statistics. It’s the main data on which CBO feeds to generate good execution plans for SQLs. Implementing a periodic and consistent gather statistics procedure in Oracle E-Business Suite is every…

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Magic Knobs in Replication Agents

Have you ever wondered about tuning your replication configuration to achieve better performance or you got into a situation of huge latency and were looking for an easier way to tune it. In this blog post, I will explain the…

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Column Store Indexes in SQL Server 2012

Introduction: We will discuss Column Store Index and will try to understand the performance improvements of the same query by multiple times using column store index. What is Column store Index: Column Store Index is a feature introduced in SQL Server 2012…

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Mining the AWR to Identify Performance Trends

Sometimes it’s useful to check how performance of a SQL statement changes over time. The diagnostic pack features provide some really useful information to answer these questions. The data is there, but it not always easy to retrieve it, especially if…

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7 Best Practices for Preparing Your Database for Black Friday

7 Tips for Preparing Your Database for Black Friday

Black Friday and its online equivalent, Cyber Monday, are a month away, which means retailers are busy gearing up for a four-day shopping frenzy—kicking off a holiday season that, for many, accounts for 20-40% of their annual revenues. Last year,…

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EMCLI Opens Windows for OEM Interaction

Oracle Enterprise Manager 12c rel.3 not only comes with EMCLI in interactive and scripting mode, but also opens ways to interact with OEM through building a custom GUI. Using Jython with Java Swing libraries can bring EMCLI usage to a…

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