Category: Advanced (300)

Migrating from Oracle to PostgreSQL can involve several steps to ensure a smooth transition. A notable example is an Oracle collection, which is a feature that Oracle database developers commonly use. PostgreSQL does not directly support Oracle collections, and there currently isn’t an extension that adds this capability. There are several decisions you have to […]

When Amazon Relational Database Service (Amazon RDS) launched in 2009, MySQL was the first engine supported on the platform. Since that time, customer use cases have grown and evolved. Amazon RDS for MySQL has supported replication to multiple targets for some time—now it also supports multi-source replication. In this post, we discuss multi-source replication on […]

Amazon DocumentDB (with MongoDB compatibility) is a fast, scalable, highly available, and fully managed document database service that supports MongoDB workloads. You can use the same MongoDB 3.6, 4.0, and 5.0 application code, drivers, and tools to run, manage, and scale workloads on Amazon DocumentDB without worrying about managing the underlying infrastructure. As a document […]

The Industrial Internet of Things (IIOT) revolution has transformed the way various industries such as manufacturing and automobile work. Industry 4.0—also called the Fourth Industrial Revolution or 4IR—is the next phase in the digitization of the manufacturing sector, driven by disruptive trends including the rise of data and connectivity, analytics, human-machine interaction, and improvements in […]

April, 2026: Aurora Serverless v2 has been renamed Aurora serverless. No action required. Ktown4u is an e-commerce company that sells fast-growing K-Pop and Hallyu (Korean-Wave) products all over the globe. Since its launch in 2002, the company has grown to over 5 million members and 5,000 fan clubs across 200 countries with 6 languages. Since […]

PostgreSQL has become the preferred open-source relational database for many enterprise companies and startups, powering leading business and mobile applications. Many customers choose PostgreSQL as the target database when migrating from commercial engines such as Oracle and Microsoft SQL Server. AWS offers Amazon Relational Database Service (Amazon RDS) for PostgreSQL and Amazon Aurora PostgreSQL-Compatible Edition […]

End of support notice: On March 31, 2027, AWS will end support for Amazon RDS Custom for Oracle. Existing customers can continue using the service until March 31, 2027. After March 31, 2027, you will no longer be able to access RDS Custom for Oracle resources including database instances, snapshots, and custom engine versions. We […]

April, 2026: Aurora Serverless v2 has been renamed Aurora serverless. No action required. Amazon Aurora MySQL-Compatible Edition version 3 (with MySQL 8.0 compatibility) is the most current major version supported on Amazon Aurora MySQL. You can use Amazon Aurora MySQL version 3 to get the latest MySQL-compatible features and performance improvements. MySQL 8.0 introduces several […]

Amazon Relational Database Service (Amazon RDS) for SQL Server is an AWS managed database service that simplifies operating and managing Microsoft SQL Server databases. Amazon RDS for SQL Server provides value by handling the provisioning, management, and monitoring of SQL Server databases. Although this operational agility is valuable, data protection and security become even more […]

In a relational database management system, a unique key is a set of one or more attributes (columns) that uniquely identifies each row in a table. It ensures that no two rows in the table can have the same values for the specified attributes. The following are the features of a unique key: Uniqueness – […]