Blog | Pythian | Database (24)

Featured blog posts

Oracle

Pro-active AWR Data Mining to find change in SQL Execution Plan

Problem Statement

Many times we have been called for the poor performance of a database and it has been ...

Oracle

What's new with apps password change in R12.2 E-Business Suite ?

Introduction

Apps password change routine in Release 12.2 E-Business Suite changed a little bit. We have ...

Oracle

RMAN - Validating Archivelog Backup

There are many posts out there about validating backup. However, none seem to address some recent concerns a client ...

Oracle

Oracle RMAN Restore to the Same Machine as the Original Database

Among the most critical but often most neglected database administration tasks is testing restore from backup. But ...

Oracle

Should AUD$ Table Exist on System Tablespace During DB Upgrade?

I see this following message on all My Oracle Support notes, which talks about database Oracle manual upgrade ...

Microsoft SQL Server

SQL Server Statistics: Maintenance and Best Practices

What are Statistics?

There are multiple paths a database can use to answer a query, some of them being ...

Oracle

What is the difference between logical and physical corruption in Oracle?

Oracle

Room for Improvement - Using DBMS_REDEFINITION with Spatial Data

Resizing a Column in a Table With a Spatial Column

Recently a client asked for help with using ...

Oracle

Oracle Database: script to purge aud$ table using dbms_audit_mgmt package

With an increase in requirements on database security, database auditing is part of most production databases ...

Microsoft SQL Server

Availability Group - Delay with Listener Connectivity After Failover

The beauty of working for multiple clients from different industries is that you get exposed to a myriad of ...

Database

Concurrent Processing Issues with Distributed Transactions Glitch

Introduction

This is my first post in Pythian blog, and I wanted to share interesting use-cases that we've ...

Cassandra

Guide to Cassandra Thread Pools

This guide provides a description of the different thread pools and how to monitor them. Includes what to alert on, ...

Oracle

Differences between R12.1 and R12.2 Integration with OAM

With the revamp of technology stack in R12.2 of Oracle E-Business Suite (EBS) , the way we integrate Oracle Access ...

Oracle

Alter session kill on steroids

Efficiently Handling Persistent "Killed" Sessions in Oracle

Perhaps you have encountered something like ...

Oracle

Building a MariaDB Galera Cluster with Docker

There’s been a lot of talk about ...

Oracle

Changing Failgroup of ASM Disks in Exadata

Problem Statement

There was a discrepancy in ...

Oracle

Oracle Passwords: How to Use Punctuation Symbols

Introduction

You can’t make a password strong ...

Oracle

Automating DataPump Export

What’s the most elaborate thing you have done with ...

Oracle

What Does oracle-rdbms-server-11gR2-preinstall Not Do?

I was working on a project to clone Oracle install to ...

Oracle

Fixing Windows RAC listener to listen on IP address of Hostname

Background

Recently, there was an issue after ...

Microsoft SQL Server

SQL Server and OS Error 1117, Error 9001, Error 823

Microsoft SQL Server

SQL Server replication quick tips

There is a time in every SQL Server DBA career where a ...

Oracle

What Happens When Active DB Duplication Goes Wrong?

There are many blog posts out there about active ...

Microsoft SQL Server

SQL server error: 18056, Severity: 20, State: 29

Introduction

Howdy everyone,

One of ...

Oracle

How To correlate Oracle Database transaction with GoldenGate

So there I was troubleshooting GoldenGate issue and ...

Oracle

12c: How to Restore/Recover a Small Table in a Large Database

Introduction

As a DBA, you will ...

MySQL

Benchmark: TokuDB vs. MariaDB / MySQL InnoDB compression

Introduction

As the amount of data companies ...

Microsoft SQL Server

List of SQL Server Databases in an Availability Group

Handling Maintenance Failures in SQL Server ...

Oracle

Exploring options of using RMAN configure to simplify backup

I am a simple person who likes simple things, ...

Microsoft SQL Server

Data profile: better knowing your data

Problem Statement

Have you ever needed to ...

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Analytics related blog posts

Analytics

Using Multi-Agent Reasoning for NLP-to-SQL

As data-driven decision-making becomes essential, access to that data shouldn’t require deep technical ...

Analytics

Becky's BI Apps Corner: OBIA 11.1.1.10.2

Upgrade jitters? If you’re running older versions of OBIA, the new 11.1.1.10.2 release brings game-changing features like automatic error handling and ...

Analytics

Oracle Data Integrator (aka Sunopsis) Now On OTN

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Featured blog posts

Pro-active AWR Data Mining to find change in SQL Execution Plan

Problem Statement

What's new with apps password change in R12.2 E-Business Suite ?

Introduction

RMAN - Validating Archivelog Backup

Oracle RMAN Restore to the Same Machine as the Original Database

Should AUD$ Table Exist on System Tablespace During DB Upgrade?

SQL Server Statistics: Maintenance and Best Practices

What are Statistics?

What is the difference between logical and physical corruption in Oracle?

Room for Improvement - Using DBMS_REDEFINITION with Spatial Data

Resizing a Column in a Table With a Spatial Column

Oracle Database: script to purge aud$ table using dbms_audit_mgmt package

Availability Group - Delay with Listener Connectivity After Failover

Concurrent Processing Issues with Distributed Transactions Glitch

Introduction

Guide to Cassandra Thread Pools

Differences between R12.1 and R12.2 Integration with OAM

Alter session kill on steroids

Efficiently Handling Persistent "Killed" Sessions in Oracle

Building a MariaDB Galera Cluster with Docker

Changing Failgroup of ASM Disks in Exadata

Problem Statement

Oracle Passwords: How to Use Punctuation Symbols

Introduction

Automating DataPump Export

What Does oracle-rdbms-server-11gR2-preinstall Not Do?

Fixing Windows RAC listener to listen on IP address of Hostname

Background

SQL Server and OS Error 1117, Error 9001, Error 823

SQL Server replication quick tips

What Happens When Active DB Duplication Goes Wrong?

SQL server error: 18056, Severity: 20, State: 29

Introduction

How To correlate Oracle Database transaction with GoldenGate

12c: How to Restore/Recover a Small Table in a Large Database

Introduction

Benchmark: TokuDB vs. MariaDB / MySQL InnoDB compression

Introduction

List of SQL Server Databases in an Availability Group

Handling Maintenance Failures in SQL Server ...

Exploring options of using RMAN configure to simplify backup

Data profile: better knowing your data

Problem Statement

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