More from our Blog

Microsoft Azure customers worldwide now gain access to ABCloudz’s Oracle Workload Migration services to take advantage of the scalability, reliability, and agility of Azure to drive application development and shape business strategies. ABCloudz, a global leader in data migration and modernization, today announced the availability of its Oracle Workload Migration offerings in the Microsoft Azure […]

Imagine trying to keep up with the evolving needs of higher education institutions while ensuring your systems are cost-effective and scalable. This was the challenge faced by our client, a company providing a suite of software solutions for educational institutions. They needed to modernize one of their core components—an Operational Data Storage (ODS) system, which […]

Migrating Oracle databases to PostgreSQL or MySQL with AWS Schema Conversion Tool (AWS SCT) can present a range of challenges, from unsupported data types to limitations in automated code conversion and potential performance issues. AWS SCT offers powerful capabilities to automate these migrations, but it may not always deliver optimal results or handle complex Oracle […]

When migrating from Oracle to PostgreSQL, one of the most important differences to consider is the treatment of null and empty string values. In Oracle, null and empty string are treated as the same entity, but in PostgreSQL, they are distinct. Failing to account for this distinction during migration can lead to logical errors and […]

When working with PostgreSQL, database developers may encounter a limitation when attempting to create routines with more than 100 arguments. PostgreSQL enforces this restriction by setting FUNC_MAX_ARGS to 100 during the server build. Although this limitation is rarely an issue, complex procedures, particularly those migrated from Oracle, may have a significantly higher number of arguments. […]

The AWS SCT Extension Pack is designed to emulate Oracle’s system functions, procedures, and other database objects within PostgreSQL. This emulation is achieved by creating a special schema in PostgreSQL, named aws_oracle_ext, where these functions and objects are stored. This pack simplifies migration by replacing Oracle-specific calls with their PostgreSQL equivalents, ensuring that the code […]

Imagine a business analyst whose task is to extract necessary information from a data warehouse to generate various reports. They need to be proficient in crafting SQL queries of any complexity—a challenging and time-consuming feat that requires deep understanding of database structures and SQL language. But what if this business analyst had an AI assistant […]

Picture this: You have an AI-powered assistant that helps manage your team’s growth. It works with three types of text data: job descriptions, employee skills, and training programs. You give it a job description and an employee’s skill set, and it pinpoints the perfect training programs to bridge any skill gaps. It’s like having a […]

This blog post examines the operational expenses of the AI-powered chatbot solution introduced in our previous blog posts, Custom AI chatbot using RAG and Deployment of AI-Powered Chatbot. This solution operates on the AWS cloud while integrating OpenAI’s language model. We will discuss the financial aspects of infrastructure costs and analyze how to estimate expenses […]

This blog post focuses on the architecture and deployment of the AI-powered Chatbot solution that we described in our earlier blog post Custom AI Chatbot Development Using RAG. This solution is built for the AWS cloud but uses OpenAI as an LLM. We’ll dive deep into the CI/CD process and AWS deployment architecture of the […]

You have probably seen and heard about AI-powered chatbots that can converse with the user about website content, or some piece of knowledge related to a company. The world is full of buzz on all things AI, with chatbots driving the headlines. In this article, we’ll share our experience building a full-blown solution from scratch […]

Executive Summary Challenge: To modernize its Project and Portfolio Management (PPM) SaaS platform,  OpenText (formerly Micro Focus) made the call to shift its products from on-premises Oracle servers to PostgreSQL on Amazon RDS. They faced various hurdles due to inconsistencies within the database and the legacy architecture of their app. They also requested a reusable […]

In this post we’d like to share with you our experience in delivering a sophisticated database migration solution on top of AWS DMS for one of our large enterprise customers. The client is a large technology corporation that provides software solutions and services for telecom giants and mid-size companies. They ran numerous Oracle databases where […]

Data infrastructure is what powers the proper performance of your software. However, unexpected issues can occur making your system unavailable. That’s where the notion of a downtime, a time period when the system is not available, comes in. Downtime may have different causes and outcomes. But one thing is certain, downtime can be extremely expensive. […]

In this post we continue exploring the technical aspects of Oracle to PostgreSQL migration using AWS SCT. We were using AWS SCT build#660 to convert one of our Oracle test databases. AWS SCT provides functionalities for the most efficient migration from Oracle to PostgreSQL. However, there is a common challenge with implementing the Oracle NumToDSInterval […]