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According to Business Insider, a single minute of data infrastructure downtime in a data center costs the companies using this data center over $8,000. The more complex your data infrastructure is, the greater the risk of errors that can lead to downtime, compromised data quality, or disruption of vital processes. The challenge lies in the fact that even a well-tuned data infrastructure is vulnerable to unexpected errors and disruptions that can severely impact its performance. That’s why it’s crucial to […]

ConcertAI, one of the leading providers of medical research software, faced a common scenario for a mature healthcare data center. Over the years, its infrastructure had become highly sophisticated but inconsistent. Some of the servers were running outdated, end-of-life operating systems and urgently needed upgrading. The client decided to implement a cloud-based solution for infrastructure migration and partnered with ABCloudz to make the system more manageable and prepare it for upcoming refinements. Our specialists suggested moving to AWS due to […]

SQL Server is a veteran in the data management market and Microsoft’s most popular relational database management system. It boasts several benefits, including fast query processing, excellent security and data restoration, easy integration with other database systems, portability, and a variety of tools and plugins to enhance database management efficiency. Moreover, migrating SQL Server to the cloud offers additional benefits, such as improved scalability, database manageability, and cost-efficiency. There are three common options for deploying SQL Server in the cloud: […]

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. One hour of system downtime can cost you more than $300,000. And, apart from direct losses, it is extremely damaging to your reputation. Especially when […]

A modern medical company was running a large healthcare platform connecting patients with medical imaging providers. They had databases for the admin app, patient app, physician app, and the original service portal. All these databases were running on AWS cloud servers deployed and managed by Datica. The latter helped the customer scale and manage their data infrastructure and had control and access to their data. However, the customer wanted to go beyond the Datica service offer. They wanted to gain […]

In this post we continue exploring the technical aspects of Oracle to PostgreSQL migration using AWS SCT. AWS SCT promises a very high level of migration efforts, however it is very rare that 100% automation is achieved. In this article we’ll look into conversion of INSERT ALL statements, which are quite popular in Oracle code. We were using AWS SCT build #660 to convert one of our Oracle test databases. Oracle gives you an option to use the conditional insert […]

Our customer is the nation’s largest home outdoor care company, serving more than 2.3 million residential and commercial customers across the United States and having revenues reaching up to $2 billion. Before contacting ABCloudz they had severe business reporting issues. The client’s KPI (key performance indicator) reports were extremely inconsistent and took too much time to be completed. These issues dropped the overall efficiency of the client’s reporting. Besides, the client did not have much time and resources for building […]

Speed is everything in the highly competitive domain of e-commerce. Digital marketplaces of varied sizes appear at an ever-increasing rate and it becomes more challenging to stand out among the competition. According to estimates, a 6-months delay in a software product release can cut its profitability by at least 30%. These numbers had been relevant 30 years ago, and they have become even more relevant in the modern time or rapid digitization. That’s why entrepreneurs with a promising digital marketplace […]

One of our clients, a large financial software company, wanted to migrate their billing solution from Oracle to SQL Server. They needed to initiate this project because the migration was required by one of their strategic partners. The customer decided to implement SQL Server Integration Services (SSIS) for this migration. Additionally, they needed to do the data transfer from Oracle to SQL Server. Because of the complexity of the project, the client sought software developers that would build an automated […]

One of our clients, prominent information technology company, needed to migrate its Oracle database to SQL Server so they called ABCloudz. They knew they wanted to automate the major part of the migration with SQL Server Migration Assistant (SSMA) but there were some challenges associated with this process. First, the company’s source database code contained over 400 hierarchical queries that could not be converted with SSMA. And second, the company’s technical staff was also unable to convert such queries. By […]

The migration of Oracle databases to Microsoft SQL Server brings many challenges. One of the most significant is associated with mapping Oracle schema to SQL Server. At the architecture level, the wrong approach will result in significant effort in the future. For example, you may even need to rewrite your app’s entire code from scratch. The problem Oracle database server includes an Oracle database and an Oracle instance. You may learn more about the architecture of the Oracle server here. […]

A materialized view is an important property of Oracle. SQL Server recreates the same behavior as this materialized view in several ways. Unfortunately, SSMA may have issues with converting this object to SQL Server. It flags certain conditions as an error. In this blog post, we will overview the error O2SS0522. It goes about cases in which the Oracle materialized view includes FLOAT columns, subqueries, GROUP BY or WHERE clauses, MINUS, INTERSECT, UNION, etc. By default, SQL Server Migration Assistant (SSMA) converts Oracle […]

ABCloudz tech experts possess outstanding experience in migrating databases. For this purpose, we frequently use SQL Server Migration Assistant (SSMA). SSMA utilization may cause various types of errors, so we have created a blog post series which focused on typical database conversion errors. Each post in this series is dedicated to a separate problem statement and presents our recommendations on how it should be approached and fixed. Related posts Here is the list of blog posts on the most common SSMA […]

When a global retailer in the beauty industry needed a new and cost-effective data processing solution, they knew the search would require a high level of expertise. That is why they decided to seek advice from ABCloudz. The company had a massive amount of data and utilized SAS software for data processing, both powerful but extremely high-priced solution. To add to the problem, qualified specialists with SAS experience are difficult to find, adding time and expense to any required updates. […]

Oracle enables you to use specific interval literals for indicating a certain period of time. Unfortunately, there is no direct analog for such literals in SQL Server. As a result, when you apply SQL Server Migration Assistant (SSMA) for converting Oracle code with interval literals, you receive an error O2SS0086. The term ‘interval literals’ refers to a fixed data value, such as the constant value term. Interval literals can be specified in terms of seconds, minutes, hours, days, months, or even years. There are two […]