Blog | Pythian | Database (25)

Oracle E-Business Suite

Install EBS 12.2.2 Vision in Virtualbox from OVM templates

Update, 7 March 2014: I don't often suggest this, but: stop reading this post! Oracle has (finally, yay!) released VM ...

Microsoft SQL Server

Untold Secrets of SQL Server: What if?

The Strategic Use of Undocumented Commands It's common practice for IT vendors to keep some of the commands and ...

Oracle

Troubleshooting Oracle's Auto Service Request

I've spent the better part of the day troubleshooting an issue with Oracle's Auto Service Request (ASR) and wanted to ...

Oracle

Statistics gathering and SQL Tuning Advisor

Our monitoring software recently flagged a long-running job on a client database: an Oracle auto-task for statistics ...

Oracle

Silent Installation of RAC 12c database

Nowadays, everyone is installing Oracle Database 12c in different variants, posting screenshots, and discussing the ...

Oracle

UDM is watching you, UDMs

With time monitoring of several thousand targets of different versions and on different operating systems accumulates ...

Microsoft SQL Server

SMB File Share and SQL Server: An option to consider

Introduction When we relate file share and databases, many people will turn up their noses - but today this is a ...

Oracle

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 ...

Oracle

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 ...

Oracle

Simple and Quick Way to Get SQL_ID of Query in Oracle

Notice If you need to get SQL_ID of a query from a busy system, which has similar queries scattered all around, it ...

Oracle

Options for Tracing Oracle dbms_stats

A Baffling Case of ORA-00942 Recently we had a good reason to find out what was going on behind the scenes with ...

Oracle

How to move Oracle DB to New Oracle Home on Same Windows Server

I have been thinking about writing a Pythian blog for long time, and today I finally took the opportunity. In the DBA ...

Oracle

Purge statspack snaps of source db on test db having different DBID?

As most DBAs are aware, the clean deletion of the old statspack snaps is very difficult up to rdbms version 9i. Thanks ...

Oracle

Step-by-Step Installation of an EBS 12.2 Vision Instance

It's here! It's here! It's finally here! (what, you don't get excited when you get new toys?) Now that version 12.2 of ...

Oracle

How to recover a subset of an Oracle database

Today's blog post will discuss how to recover a subset of an Oracle database. Many of you would have come across ...

Microsoft SQL Server

How to Install a Clustered SQL Server 2012 Instance – Part 4

We have reached the last article of this series. To close this series out, we will talk about Distributed Transaction ...

Oracle

Meaning of "Disk Reads" Values in DBA_HIST_SQLSTAT

This post builds on my previous work regarding Mining the AWR. While analyzing performance, I realized how easily the ...

Oracle

How To Improve SQL Statements Performance: Using SQL Plan Baselines

The performance of any Oracle database heavily relies on query execution(s). The reasons for any SQL statement’s ...

Oracle

getMOSPatch.sh - Downloading Patches From My Oracle Support

The transition away from FTP access in My Oracle Support (MOS) several years ago introduced a significant hurdle for ...

Oracle

Batched table access

When I first saw the suffix BATCHED in an Oracle execution plan from 12c, I was curious to see what is hidden behind ...

Microsoft SQL Server

Magic Knobs in Replication Agents

Have you ever wondered if there's a "secret sauce" for tuning your replication configuration to squeeze out better ...

Microsoft SQL Server

How to Install a Clustered SQL Server 2012 Instance – Part 2

The installation: In continuation of our series on how to install a SQL Server 2012 clustered instance, let´s begin the ...

Microsoft SQL Server

SSAS– Resolving Target Machine Actively Refused

Situation I’ve always wanted to get my hands on SSAS, SSIS and SSRS as I’ve often felt shorthanded in these areas. ...

Microsoft SQL Server

How to Install a Clustered SQL Server 2012 Instance – Part 1

In this series, I will demonstrate how to install a SQL Server 2012 clustered instance in a cluster of two nodes. In ...

Oracle

How to Download Oracle Software Using WGET or CURL

This is yet another blog post with tips and tricks to help you (and me) download Oracle software without the help of a ...

Database

Script to Collect Database Information Quickly

As a DBA, there are occasions where we are required to collect details from a database which can be used for further ...

Oracle

How to Apply a Standby-First PSU Patch in a 2 node RAC environment

Oracle provides since it’s 11.2.0.1 version a way to apply certain patches, to our standby environment first, without ...

Oracle

Disabling Triggers in Oracle 11.2.0.4

In March 2012, I put together a blog post entitled Disabling Oracle triggers on a per-session basis, outlining a way to ...

Oracle

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 ...

Oracle

Linux HugePages for Oracle on Amazon EC2

Situation One of the optimizations available to us when running Oracle on Linux is huge page support. This feature of ...

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Install EBS 12.2.2 Vision in Virtualbox from OVM templates

Untold Secrets of SQL Server: What if?

Troubleshooting Oracle's Auto Service Request

Statistics gathering and SQL Tuning Advisor

Silent Installation of RAC 12c database

UDM is watching you, UDMs

SMB File Share and SQL Server: An option to consider

Mining the AWR to Identify Performance Trends

Oracle free block corruption - test case

Simple and Quick Way to Get SQL_ID of Query in Oracle

Options for Tracing Oracle dbms_stats

How to move Oracle DB to New Oracle Home on Same Windows Server

Purge statspack snaps of source db on test db having different DBID?

Step-by-Step Installation of an EBS 12.2 Vision Instance

How to recover a subset of an Oracle database

How to Install a Clustered SQL Server 2012 Instance – Part 4

Meaning of "Disk Reads" Values in DBA_HIST_SQLSTAT

How To Improve SQL Statements Performance: Using SQL Plan Baselines

getMOSPatch.sh - Downloading Patches From My Oracle Support

Batched table access

Magic Knobs in Replication Agents

How to Install a Clustered SQL Server 2012 Instance – Part 2

SSAS– Resolving Target Machine Actively Refused

How to Install a Clustered SQL Server 2012 Instance – Part 1

How to Download Oracle Software Using WGET or CURL

Script to Collect Database Information Quickly

How to Apply a Standby-First PSU Patch in a 2 node RAC environment

Disabling Triggers in Oracle 11.2.0.4

Improve Gather Stats in Oracle E-Business Suite

Linux HugePages for Oracle on Amazon EC2

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