Blog | Pythian (17)

Microsoft SQL Server

Top 10 New Features of SQL Server 2019

Editor’s Note: Because our bloggers have lots of useful tips, every now and then we bring forward a popular post from ...

Oracle

Oracle Database and 2FA Using Cisco Duo

Background Oracle Database connectivity using multi-factor (MFA) or two-factor (2FA) authentication is rather simple to ...

Oracle

Testing the 19c Grid Infrastructure by Performing a Dry-Run Upgrade

Testing oracle grid infrastructure upgrades Editor’s Note: Because our bloggers have lots of useful tips, every now and ...

Oracle

Save Time With This Quick OCI CLI Installation

Editor’s Note: Because our bloggers have lots of useful tips, every now and then we update and bring forward a popular ...

Cassandra

Incremental Repair: Problems and a Solution

Because incremental repairs can significantly reduce the time and IO cost of performing a repair, they can seem like a ...

Microsoft SQL Server

How to Overcome the Top 10 SQL Server Performance Challenges

Working with consulting clients is rewarding, interesting, and challenging. In discussion with some of my colleagues, ...

Google Cloud

Migrating Oracle Workloads to Google Cloud - PostgreSQL on Cloud SQL or GCE

When working with clients on database migration, there are a range of options we help them assess and evaluate. These ...

Oracle

Create 19c Database in Archive Mode Using DBCA Silent

I wanted to export 11.2 database schema and import it into a 19c database; creating the database in archive mode to ...

Oracle

Migrating Oracle Workloads to Google Cloud - BMS

In these challenging and ever-changing times, most organizations would welcome the opportunity to reduce overhead, ...

Oracle

Migrating Oracle Workloads to Google Cloud - Cloud Spanner

There are plenty of database migration options out there, and we love working with clients to help them assess and ...

Oracle

Five Best Practices for Setting Dispatchers on Shared Connections

In this post I’d like to present five best practices/tips for setting dispatchers for database shared connections: 1. ...

DevOps

How to Secure Your Elastic Stack (Plus Kibana, Logstash and Beats)

Editor’s Note: Because our bloggers have lots of useful tips, every now and then we bring forward a popular post from ...

Oracle

Recreate Redo / Standby Logs in a DG Broker Environment

While increasing the redo log file size for my production environment, I came across a requirement I’d like to share ...

Oracle

Select vs Assign – How To Assign PL/SQL Variables

Select vs Assign It isn’t unusual to see PL/SQL that contains select columns into variables from some_table This is ...

Analytics

Google Cloud Composer Costs and Performance

Managing, optimizing and balancing cloud cost vs. performance is an ongoing challenge for all cloud architects and ...

MySQL

Watch Out When Running Out of Disk Space With InnoDB Group Replication Cluster

Oracle MySQL Community Edition comes with a native, virtually synchronous, clustering solution called InnoDB Cluster. ...

Oracle

How to Make Oracle Use the Correct Index

Introduction When the “wrong” index is used for a SQL query, it’s sometimes a struggle to coerce Oracle to use the ...

Oracle

Automating Oracle Patching With an Ansible Module

Editor’s Note: Because our bloggers have lots of useful tips, every now and then we bring forward a popular post from ...

Oracle

Using ADRCI to Review Recurrent Issues

Managing diagnostic data across multiple systems with ADRCI Reviewing recurrent issues for database systems is ...

Microsoft SQL Server

Graph Algorithms and Inference

Context If you’ve used Google Maps for directions or “friended” someone on Facebook, you’ve experienced graph theory. ...

Oracle

AutoUpgrade: Plug Noarchive Non-CDB Database as Upgraded PDB

The Database AutoUpgrade utility has been slowly developing its capability to cover all possibilities of database ...

Infra Ops

Installing Elasticsearch Using Ansible – the Quick Way!

Editor’s Note: Because our bloggers have lots of useful tips, every now and then we bring forward a popular post from ...

Oracle

How To Easily Purge Logs for GI and DB

Simplifying log management with purgeLogs With a total of 33 directories for GI (Grid Infrastructure) and DB (database) ...

Oracle

ORA-12537: TNS:connection closed – When Nothing Else Works!

When you’re sure all the TNS listener (SID_LIST_LISTENER in this case) services and db_domain are fine, but you still ...

Oracle

Detect and Notify Linux Server Restart

When Oracle support performs maintenance for Exadata Cloud, communication can sometimes be a bit sparse. Typically, ...

Oracle

How To Rename Interval Partition with More Meaningful Name

Renaming oracle interval partitions for better readability When using interval partitioning, the database automatically ...

Oracle

How to Execute 19c runcluvfy.sh With Root and Sudo Method

Editor’s Note: Because our bloggers have lots of useful tips, every now and then we bring forward a popular post from ...

Microsoft SQL Server

User “guest” does not have permission to run DBCC CHECKIDENT for object

DBCC CHECKIDENT example DBCC CHECKIDENT is used to check or change the value of an identity column in the specified ...

Oracle

Oracle Service Bus (OSB) 12c LDAP Authorization – HTTP 401 (Unauthorized)

Context Oracle Service Bus 12.2 and onwards is available to download on Oracle Support. As you might expect, the new ...

Oracle

How to Clear RMAN Channel Configuration

I’m glad to get back to blog writing and, after a bit of a break, I’m starting with a brief post. We DBAs have probably ...

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Using Multi-Agent Reasoning for NLP-to-SQL

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

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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

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Top 10 New Features of SQL Server 2019

Oracle Database and 2FA Using Cisco Duo

Testing the 19c Grid Infrastructure by Performing a Dry-Run Upgrade

Save Time With This Quick OCI CLI Installation

Incremental Repair: Problems and a Solution

How to Overcome the Top 10 SQL Server Performance Challenges

Migrating Oracle Workloads to Google Cloud - PostgreSQL on Cloud SQL or GCE

Create 19c Database in Archive Mode Using DBCA Silent

Migrating Oracle Workloads to Google Cloud - BMS

Migrating Oracle Workloads to Google Cloud - Cloud Spanner

Five Best Practices for Setting Dispatchers on Shared Connections

How to Secure Your Elastic Stack (Plus Kibana, Logstash and Beats)

Recreate Redo / Standby Logs in a DG Broker Environment

Select vs Assign – How To Assign PL/SQL Variables

Google Cloud Composer Costs and Performance

Watch Out When Running Out of Disk Space With InnoDB Group Replication Cluster

How to Make Oracle Use the Correct Index

Automating Oracle Patching With an Ansible Module

Using ADRCI to Review Recurrent Issues

Graph Algorithms and Inference

AutoUpgrade: Plug Noarchive Non-CDB Database as Upgraded PDB

Installing Elasticsearch Using Ansible – the Quick Way!

How To Easily Purge Logs for GI and DB

ORA-12537: TNS:connection closed – When Nothing Else Works!

Detect and Notify Linux Server Restart

How To Rename Interval Partition with More Meaningful Name

How to Execute 19c runcluvfy.sh With Root and Sudo Method

User “guest” does not have permission to run DBCC CHECKIDENT for object

Oracle Service Bus (OSB) 12c LDAP Authorization – HTTP 401 (Unauthorized)

How to Clear RMAN Channel Configuration

Recent news

Pythian Ranked on CRN's 2026 Solution Provider 500 List for Seventh Consecutive Year

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Keith Angell: Accelerating Enterprise Growth With Data And Analytics Through Remarkable Leadership

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