More from our Blog
Feng Shui, VMWare, and SQL Server – Finding Balance
Feng Shui is the practice of arranging pieces in living spaces to create balance with the natural world. VMWare vSphere virtualization has grown since its introduction in 1998, to being the top virtualization technology in use by companies today, holding 23% of the market. Microsoft’s SQL Server product, first released in 1988, has increased its […]
Thomas Roehr
License inventory for a large SQL Server database infrastructure
Here’s a new entry to our series of posts on how the ABCloudz team has helped a large pharmaceutical company manage its sophisticated data infrastructure. The customer’s business is rapidly growing, which leads to a significant expansion of their data infrastructure. This infrastructure has exceeded 140 SQL Servers united by complex connections and ETL scripts. […]
Zymbytskyi Serhii
How to cover monitoring gaps for a large SQL Server data infrastructure
Our client is a large pharmaceutical company with a sophisticated data infrastructure. Along with the company’s rapid growth, its data infrastructure started growing as well. At one point, their data infrastructure exceeded 140 SQL Servers united by multiple scripts and connections. This growth made its maintenance more challenging and time-consuming. The customer created a professional […]
Zimbitskiy Serhii
Oracle to PostgreSQL migration with AWS SCT: How to handle unsupported NumToDSInterval function
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 […]
Oleksii Savchenko
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
Oracle to PostgreSQL migration with AWS SCT: How to convert INSERT ALL statement
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. […]
Oleksii Savchenko
Oracle to PostgreSQL migration with AWS SCT: How to handle unsupported data types
In this post we explore the technical aspects of Oracle to PostgreSQL migration using AWS SCT. We’ll look into conversion of Oracle “aliases”. We were using AWS SCT build #660 to convert one of our Oracle test databases. The challenge Oracle’s subtype declaration allows creating an “alias” for some datatype declaration, which can be re-used […]
Oleksii Savchenko
Expand capacity with an IBM DB2 SQL Azure SQL Database migration
One of the world’s largest distributors of non-food consumable products wanted to rationalize their data platform and business intelligence strategy. Their current IBM DB2 database system lacked a repository to host historical audit-related data, so they could hardly retrieve data from past years. Then we came up with an Azure cloud database solution that could […]
Andrii Koval
Market review: SQL Server Monitoring Tools
It’s no secret that a modern world runs on data. This essential asset is stored in databases or data stores. And keeping such databases or data stores healthy is vital in the digital era we live in. It is also no secret that database issues can take down entire systems and cost businesses many thousands […]
Sergii Zymbytskyi, Roman Muzyka
Quick and easy automatic approach to database conversion
One of the largest educational organizations in the United States had been running their data handling system in the Oracle environment. They wanted to reduce maintenance costs due to the expensive Oracle licensing model, which includes an additional fee for the partitioning feature. The ABCloudz team provided a solution for migrating the customer’s database to […]
Andrey Khudyakov, Roman Muzyka
An overview of the remote migration from Oracle to SQL Server with SSIS
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 […]
Andrey Khudyakov, Roman Muzyka
Conversion of Oracle schemas with hierarchical queries to SQL Server
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 […]
Andrey Khudyakov (DB architect), Roman Muzyka (writer)
Schema mapping in migration from Oracle to SQL Server
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. […]
Andrey Khudyakov, Roman Muzyka
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