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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 constructs efficiently. In these cases, manual adjustments and optimizations are required to ensure a seamless transition to the target database. At ABCloudz, our team has […]

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 unexpected behavior in the database. This post will explore key nuances and demonstrate how to handle these differences effectively. Comparing null and empty string In […]

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. This blog post outlines a solution to handle such situations by utilizing composite data types to bypass the argument limit, ensuring routine compilation without significant […]

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 functions correctly post-migration. For example, consider the following transformations: Oracle PostgreSQL SELECT sysdate FROM dual; SELECT aws_oracle_ext.sysdate() SELECT to_char(sysdate, ‘dd.mm.yyyy hh24:mi:ss’), to_char(sysdate, ‘dd.mm.rrrr’) FROM dual; […]

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 to whom they could describe the required data and format in natural language? This assistant would understand the request and convert it into an SQL […]

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 tailor-made career coach that ensures your team is always ready for their next big challenge. We have developed precisely this kind of solution — an […]

Data is the lifeblood of any business. The ability to extract insight and value from data plays a critical role in determining long-term success. Efficient data utilization can drive streamlined business processes, reduce waste, and enable well-informed strategic decisions. With the advent of cloud-powered AI and analytics tools, organizations now have unprecedented access to transformative capabilities. That’s why ABCloudz is thrilled to announce its designation as a Microsoft Solutions Partner for Data & AI. This recognition underscores our expertise in […]

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 for AI resources, such as Language Model as a service. Cost Structure of a Custom AI Chatbot Solution Operating expenses for our AI chatbot solution […]

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 backend application. AWS Deployment Architecture Our solution represents a rather typical configuration of a web project deployed to AWS. Click or tap on the picture […]

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 that empowers such chatbots. The goal is to build a framework that can be plugged in with any knowledge sources and be easily integrated into […]

We’ve developed a mobile app and web admin panel that allow a specialized headphone manufacturer for Heavy Metal enthusiasts to swiftly and conveniently deliver firmware updates for their headphones over the air. These headphones do more than just play music; they’re designed to precisely render sound, enhanced by continually evolving custom firmware for each model. How can users stay informed about the latest updates and improvements? This is where our expertise in wireless connected devices truly shines. We have crafted […]

This case study shows how ABCloudz engineering team resolved site performance issues using Amazon CloudFront and Lambda@Edge of AWS. Challenge Our partner iCleanse offers its clients the Swift UV devices, designed to disinfect hands and mobile phones. As the device disinfects a phone within 15 seconds, it simultaneously displays sponsored video content, generating advertising revenue. Businesses of any type can benefit from installing these disinfection stations, not only by reducing costs on traditional disinfection methods and aligning with green initiatives […]

In previous blog posts, we provided a functional overview and delved into the technical details of Alt-Bionics’ affordable prosthetic hand, outlining the journey from concept to a product ready for commercial release. What does it take to train an AI to interpret the unique language of muscle signals? This chapter peels back the curtain on the AI training process, revealing how each prosthetic hand is fine-tuned to its wearer’s unique muscular patterns. Unlike the traditional approach, our AI doesn’t generalize; it […]

Our client aimed to develop an online marketplace for building materials, designed to manage intricate online transactions and ensure a top-notch global user experience, supported by stringent security and exceptional performance standards. This case study details how ABCloudz utilized Amazon CloudFront, coupled with Lambda@Edge for dynamic content delivery. By deploying CloudFront, we significantly reduced web application load times, which is directly linked to improved user satisfaction and higher conversion rates. This deployment addressed key technical challenges, such as high traffic […]

In the ever-evolving landscape of digital content, achieving impeccable video quality has become more than just a desire; it’s a necessity. As you delve into the world of AI video enhancement, you might find yourself amidst a sea of options. Navigating this space, especially if you’re embarking on app development or seeking to elevate your existing content, can be daunting. Fear not. This blog aims to be your compass, guiding you through the intricacies of open-source video enhancement tools. Together, […]