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Press Release: ABCloudz's Oracle Workload Migration Solution Now Available in the Microsoft Azure Marketplace

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 […]
Adam Robertson

Modernizing the Oracle ODS Data Warehouse for SaaS flexibility with PostgreSQL on AWS

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 […]
Oleksii Savchenko (DB Developer), Oleksii Svitlychnyi (Technical writer)

Migrating from Oracle to SQL Server for a food manufacturing company

ABCloudz recently helped The Morning Star Company, one of the world’s largest producers of tomato products, migrate their Oracle database to SQL Server. The Morning Star Company operates three processing facilities in California, handling nearly 10% of the global tomato production. Their IT infrastructure included both Oracle and SQL Server databases, but due to the […]
Oleksii Savchenko (DB Developer), Oleksii Svitlychnyi (Technical writer)

Database migration with AWS SCT: Solutions for typical conversion issues

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 […]
Oleksii Svitlychnyi

Database migration with SSMA: Handling typical conversion issues

Migrating databases from Oracle to Microsoft SQL Server can be a complex endeavor, especially when it comes to dealing with differences in schema structures, data types, and specific SQL clauses. The SQL Server Migration Assistant (SSMA) is a robust tool designed to automate these migrations and minimize manual effort. However, SSMA might not always produce […]
Oleksii Svitlychnyi

Handling null and empty string differences in Oracle and PostgreSQL

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 […]
Oleksii Savchenko

Handling PostgreSQL Routines with More Than 100 Arguments

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. […]
Oleksii Savchenko

Optimizing Date and Time Conversion in Oracle to SQL Server Migration

Migrating databases from Oracle to SQL Server can be a daunting task, especially when dealing with date and time data. While tools like the SQL Server Migration Assistant (SSMA) offer automated solutions, relying solely on these tools might not always yield the best performance. In this blog, we share examples of how to optimize conversion […]
Oleksii Savchenko

How to Optimize Oracle-to-PostgreSQL Migrations Using AWS SCT Extension Pack

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 […]
Oleksii Savchenko

EDW to Azure Databricks Migration

ABCloudz recently completed a significant project migrating an Enterprise Data Warehouse (EDW) from an on-premises SQL Server 2014 to Azure Databricks for a leading global retailer operating 3,000 offline stores across 40 countries. This migration was essential for addressing physical server limitations and outdated technology that hindered data processing and storage capabilities. Embracing Big Data […]
Sergey Shtypuliak (DB Engineer), Oleksii Svitlychnyi (Technical writer)

SaaS Platform Modernization and Database Migration to PostgreSQL on Amazon RDS

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 […]
Alexander Gora

Custom data migration solution for a complex Oracle to PostgreSQL migration project using AWS DMS

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 […]
Alexander Gora

Oracle to MySQL migration with AWS SCT: How to convert BULK COLLECT clause

In this blog post we continue covering AWS SCT conversion issues, adding to the series where we help developers to deal with complex migration issues that can’t be automated with SCT. Today we are going to look into how SCT Build #660 addresses the conversion of statements with BULK COLLECT clause. In Oracle, you can […]
Artem Avetyan

Oracle to MySQL migration with AWS SCT: How to handle unsupported NumToYmInterval function

Here’s one more insight into common code conversion issues while using AWS SCT build number 660. This time, we will tell you how to convert NumToYmInterval from Oracle to MySQL. Oracle has a NumToYmInterval function that converts the provided number value of specified expressions or time units to an interval year to month literal. Usually, […]
Artem Avetyan

Oracle to MySQL migration with AWS SCT: How to convert variables of SYS_REFCURSOR datatype

We continue our series of common issues pertaining to code conversions with AWS SCT. This time, we analyze the peculiarities of converting REF CURSOR types from Oracle to MySQL with the help of AWS SCT build number 660. In Oracle 9i, there is the predefined SYS_REFCURSOR type, which means that defining our own REF CURSOR […]
Artem Avetyan
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