Sunday, 15 June 2025

Oracle Exadata on Exascale Infrastructure: Redefining Database Performance and Flexibility

  Oracle Exadata's integration with Exascale infrastructure ushers in a new era of database management, combining unprecedented scalability, performance, and cost efficiency. Discover how this advanced platform is transforming database operations and setting new standards in the industry.



Monday, 19 May 2025

Oracle TDE (Part II): Advanced Encryption and Storage Considerations

  Oracle TDE provides flexible encryption options for both database and tablespace levels. The default encryption standard for database and tablespace encryption is AES128, while AES192 is used for column-level encryption. For added security, a random string, known as SALT, is appended to plaintext before encryption in column-level encryption. SALT enhances security but cannot be applied to indexed columns.



Sunday, 18 May 2025

Oracle TDE (Part I) : A Comprehensive Overview of Transparent Data Encryption

 Oracle's Transparent Data Encryption (TDE) is a pivotal feature for securing sensitive information in your database. It offers robust encryption for data stored in tables, tablespaces, and backups, ensuring that unauthorized users cannot access your critical data. TDE relies on external security modules, known as TDE wallets or keystores, to manage and protect encryption keys.



Sunday, 4 May 2025

Unlocking New Capabilities in Oracle RAC 19c

 Oracle 19c brings a host of new features and enhancements to Real Application Cluster (RAC), significantly improving resource management, cluster flexibility, and overall performance. Here’s a breakdown of the key updates:



Sunday, 20 April 2025

Exploring Oracle 19c: New Features in Data Guard, RMAN, and Backup & Recovery

 Oracle 19c introduces several powerful features that enhance Data Guard, RMAN, and backup and recovery capabilities. These updates streamline database management, improve performance, and provide more robust disaster recovery options. Let’s take a closer look at the highlights.



Sunday, 6 April 2025

Oracle 23ai: Modernizing Database Auditing with Unified Records

 In my previous blogpost, we delved into the complete details on Unified auditing. With the release of Oracle 23ai, there's a significant shift in the way Oracle handles auditing. Building on the foundation laid by Unified Auditing introduced in Oracle 12c, Oracle 23ai marks a crucial milestone: the deprecation of traditional auditing in favor of a more streamlined, robust auditing mechanism. Here's an in-depth look at what this transition entails and how it impacts your database management.



Monday, 31 March 2025

Deep Dive into Oracle Undo Tablespace Management in 19c

As we discussed some undo-related aspects in my previous blog post , I’ll continue the conversation here with more details about undo tablespaces and the common challenges you might encounter with them in Oracle 19c. Understanding and optimizing undo management is critical to ensuring data consistency, supporting recovery operations, and maintaining peak database performance.



Sunday, 16 March 2025

A Deep Dive into Oracle Key Vault Features

 In the world of database and application security, managing encryption keys and other sensitive credentials is paramount. Enter Oracle Key Vault (OKV)—a robust solution designed to securely store and manage encryption keys, Oracle Wallets, Java KeyStores, SSH Key pairs, and other critical secrets. Whether deployed in the Oracle Cloud Infrastructure (OCI), Azure, AWS, or on-premises, OKV offers a scalable and fault-tolerant solution for key management across various environments.



Monday, 3 March 2025

Elevate Your Oracle Database Security with Oracle Data Safe

 Ensuring robust database security and compliance is a critical concern for organizations, especially when dealing with sensitive data and regulatory requirements. Oracle Data Safe provides a unified control center designed to streamline security management and compliance tasks across various environments—whether on-premises, in Oracle Cloud Infrastructure (OCI), at Cloud@Customer, or on other cloud platforms.



Saturday, 1 March 2025

Building a Kind and Effective Leadership Style: 10 Essential Traits

 Leadership is about more than achieving targets; it’s about how you guide and nurture your team along the way. A kind leader cultivates a positive and supportive environment, fostering trust, collaboration, and growth. Below are ten essential traits that define a kind and effective leader:


Monday, 24 February 2025

Guide to Managing Database During Rapid Growth: Key Strategies for Scalability and Efficiency

As your database expands, ensuring peak performance becomes increasingly complex. Whether you’re dealing with a sudden surge in transactions or expanding workloads, proactive measures are essential to maintain efficiency. Below are some key strategies to help you optimize performance and scale smoothly during rapid growth.



Sunday, 16 February 2025

From Setup to Purging: Managing Oracle's Unified Audit Trail with Ease

 In the realm of Oracle database management, maintaining an effective audit trail is crucial for ensuring data integrity and security. Oracle's approach to auditing has evolved, with unified audit records now taking center stage. Here’s an in-depth look at how Oracle handles audit trails and how you can manage them effectively.



Saturday, 15 February 2025

10 Common Oracle Performance Mistakes and How to Avoid Them

 Oracle database performance issues can significantly impact the efficiency and responsiveness of your system. Identifying and addressing bottlenecks is crucial for maintaining optimal performance. However, performance tuning is an iterative process, where solving one issue may reveal another. With experience and a systematic approach, applications can be debugged and scaled effectively. Below are ten common mistakes that often hinder Oracle performance and how to avoid them.


Sunday, 2 February 2025

Oracle TDE Demystified: Safeguarding Sensitive Data in Your Database

 Transparent Data Encryption (TDE) is a powerful security feature in Oracle Database designed to safeguard sensitive data through encryption. TDE protects data at rest, ensuring that even if database files (DBF) are stolen or compromised, the data remains secure and inaccessible to unauthorized parties.


Sunday, 26 January 2025

A Step-by-Step Guide to Identifying and Resolving Performance Bottlenecks

  When it comes to managing an Oracle database, performance issues can be a significant challenge. The Oracle performance methodology is a structured approach designed to help you identify and resolve these issues effectively. This process involves pinpointing bottlenecks within your system and addressing them systematically to improve overall performance.


Sunday, 19 January 2025

Navigating Human Struggles: A Tale of Empathy in the Workplace

 In the bustling world of office dynamics and performance evaluations, there lies a crucial juncture where empathy meets professionalism. Recently, I found myself at such a crossroads during a candid 1:1 performance review with one of my employees. What transpired during this encounter not only reinforced the essence of our organizational culture but also underscored the importance of extending compassion beyond the confines of the workplace.



Sunday, 5 January 2025

Mastering SQL Performance with SQL Plan Management

  In my previous blogpost, we delved into the complete details on loading a SQL Plan with its Plan Hash Value.  SQL Plan Management (SPM) is a powerful feature designed to ensure consistent and optimized SQL performance by managing execution plans proactively. By leveraging SQL Plan Baselines, SPM helps maintain query efficiency and reliability, making it an essential tool for database administrators. Here's a closer look at how SPM works, its benefits, and its role in maintaining SQL performance.



Saturday, 21 December 2024

Transforming Database Operations with Oracle Autonomous Database: A Comprehensive Overview

 Oracle Autonomous Database is revolutionizing database management by introducing a suite of advanced features designed to simplify operations, enhance performance, and provide unmatched reliability. Here’s a closer look at the key features that make Oracle Autonomous Database a game-changer in the world of data management.



Monday, 16 December 2024

Vector Databases Explained: A New Era for Unstructured Data Handling

  In the evolving landscape of data management, vector databases have emerged as a revolutionary tool for storing and retrieving complex data objects. Unlike traditional databases that rely on structured data and keyword-based search, vector databases operate in a completely different paradigm, utilizing numerical representations known as vector embeddings. This innovative approach opens up new possibilities for handling unstructured and semi-structured data like images, text, and sensor data, making vector databases an essential component in modern AI-driven applications.



Sunday, 1 December 2024

Addressing Query Slowness in PostgreSQL: A Comprehensive Guide

In my previous blog post, we delved into the impact of Re-Indexing to boost database performance. Again, Experiencing slow queries in PostgreSQL can be frustrating, especially when they disrupt the performance of your applications. Fortunately, there are several strategies to identify and resolve the root causes of query slowness. Below, I’ve compiled some key recommendations to help you optimize query performance in your PostgreSQL database.


Monday, 25 November 2024

How to Check CPU Core Count in Oracle: Essential Queries for Performance Tuning

 When configuring Oracle Database environments or tuning performance, knowing how many CPU cores are available is crucial. Key decisions related to parallelism, load balancing, and licensing hinge on having accurate CPU information. An optimized database ensures that hardware resources are used efficiently, providing the best possible performance while staying compliant with Oracle’s licensing policies.


Saturday, 23 November 2024

Exploring the Key Differences Between pglogical and Native Logical Replication in PostgreSQL

Hey, PostgreSQL enthusiasts! 🌟 Ready to dive into the fascinating world of logical replication?



Sunday, 17 November 2024

Optimizing Oracle Databases with Huge Pages

Memory management plays a critical role in any operating system (OS), providing lower latency and higher throughput. Even though memory is volatile, it significantly reduces data access times compared to disk I/O. This is especially true for databases, where the size of memory can have a profound effect on performance. A crucial aspect of memory management is how the kernel manages memory pages. Here, we'll dive into how Oracle databases benefit from configuring Huge Pages, a feature that addresses the challenges of large memory environments.



Sunday, 10 November 2024

Oracle - A Quick-Action Guide for Performance Issues

 In the world of application management, performance issues are inevitable. While you might have a solid methodology for establishing and improving application performance, emergencies demand a different approach. When a system suddenly shifts from being reliable and predictable to sluggish and unresponsive, immediate action is required to restore normal service.



Wednesday, 23 October 2024

Restore Point in Oracle: A Tool for Flashback Recovery and Controlled Testing

 Managing production environments and releases involves risks, especially when changes involve critical data or complex application behavior.  Oracle’s restore points provide an elegant solution by enabling precise, time-bound recovery. This feature plays a pivotal role in scenarios like Go/No-Go releases and snapshot standby testing.

In this post, we’ll explore how restore points work, and where they fit in the broader scheme of release management and database testing.