Migrating Oracle databases to PostgreSQL on AWS, you often face challenges with converting system functions. Oracle has a rich set of built-in functions, and PostgreSQL doesn’t provide users with all of those. To support and simplify Oracle to PostgreSQL on AWS migrations, AWS Schema Conversion Tool provides users with an extension pack. After applying it to your Amazon Aurora PostgreSQL or Amazon RDS for PostgreSQL database, you may use the functions, which emulate the behavior of Oracle’s system functions. You […]
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Take advantage of our unique experience with AWS Schema Conversion Tool. DB Best has been working with hundreds of customers across the world, migrating their databases and applications to Amazon’s cloud platform. Read the brightest highlights of these projects on our blog.
The newest Migration Platform 1.5 version introduces a whole set of features. It brings an in-built Ora2Pg tool for easier migration, tree view filtering for schemas and databases, some important UI improvements, and others additions. Tap into the article to read more about the shiniest version of Migration Platform.
Last updated in August 2020 The goal of DB Best blog is to deliver technical content on various completed projects and researches. Publishing over 100 blog posts per year, we pay great attention to the projects, related to the cloud data platforms in general, and Amazon Web Services (AWS) in particular. Some of the AWS customers’ stories attract more attention than others, so, that’s why we decided to collect them in one place. We consider these articles must-read and super […]
Last updated in August 2020 Sharing our technical experience with the readers, we’ve reached a pretty impressive audience on our blog. So, it was pretty easy to distinguish the most popular AWS Database Migration Service (AWS DMS) Support stories. Let’s jump right in and review the most valuable and really important DB Best blog posts on AWS DMS and AWS Schema Conversion Tool (AWS SCT). We’ve got an impressive series of blog posts, where we talk about the features of […]
AWS Schema Conversion Tool (SCT) and Ora2PG allow for automating database migration from Oracle to PostgreSQL. Which tool would you prefer to use in real migration project for enterprise accounts? Read this blog post to find the answer.
Managing data and applications anywhere, we often face the issues related to the migration of huge amounts of data for our customers. So, as the Amazon partner, we received the brand new AWS Snowball Edge for testing purposes and tried to migrate our Oracle Database to Amazon Aurora PostgreSQL. Check out our blog post to learn more about our experience with AWS Snowball Edge.
Often database administrators experience decreases in query performance with Amazon Redshift as the size of data increases. The problem becomes even more significant when we start talking about regularly executed queries. Design time decisions that were made with the given the statistics at the start of the project may not make sense with the new data and query patterns. So, this means that the Amazon Redshift cluster requires some optimization. See how these Amazon Redshift performance tuning tips can improve query execution […]
Amazon introduced the data extraction agents in the previous release of AWS Schema Conversion Tool (SCT). They allowed for migrating all the data from your on-premises data warehouse platforms to Amazon Redshift. Wait, what if you don’t need to move all those terabytes of data, and just want to settle for the data generated in the past couple of years? Starting from the version 1.0.603, SCT allows filtering the data before uploading it to Redshift. In addition, the latest SCT […]
In Oracle you may use the conditional insert clauses, for example, an INSERT ALL statement to add multiple rows with a single command. You can insert rows into one table or even multiple tables using just one SQL statement in Oracle. However, PostgreSQL doesn’t support such statements that attempt to inserting multiple rows. So, when you try to convert the source Oracle code that includes the INSERT ALL statement to PostgreSQL in the AWS Schema Conversion Tool, it will generate the following […]
One of the leading independent software vendors in educational domain needed to expand their original Oracle database system. They wanted to add a new PostgreSQL database running on AWS RDS to their original system and upgrade the connected Java application to support both database platforms. We came up with a proof of concept and converted one of the largest customer’s database schemas to PostgreSQL, demonstrating how the upgraded system might work. To do so, we updated the application by adding […]