AWS Database Blog

Category: Database

How Zalando migrated their shopping carts to Amazon DynamoDB from Apache Cassandra

This post is co-written with Holger Macht and Mike Matsumoto from Zalando. Zalando is a leading European online shop for fashion and lifestyle. Founded in Berlin in 2008, Zalando brings head-to-toe fashion to over 50 million active customers, offering clothing, footwear, accessories, and beauty supplies. The assortment of international brands ranges from world-famous names to […]

Unlocking cost-optimization: Open Raven’s journey with Amazon Aurora I/O-Optimized leads to 60% savings

Open Raven is a leader in automated multi-cloud data security. Open Raven is the data security posture management company that prevents leaks, breaches, and compliance incidents. The Open Raven Data Security Platform connects to your cloud environment within minutes and works over native APIs and serverless functions. The Open Raven Data Security Platform works at cloud […]

Using pgactive: Active-active Replication Extension for PostgreSQL on Amazon RDS for PostgreSQL

In this post, we walk through an example for creating an active-active replication setup between two RDS for PostgreSQL instances. We also show how to monitor replication lag between instances, and review how to detect and resolve conflicts. Finally, we discuss strategies to design applications to work with pgactive.

Filter delete operations with AWS DMS

AWS Database Migration Service (AWS DMS) is a fully managed service that helps you migrate databases to AWS quickly and securely. Every customer’s use cases are unique; you can use AWS DMS not only for a one-time data migration solution but also to replicate the data as per the requirements of your downstream applications. In […]

How VMware consolidated a multi-tenant cloud asset data store on Amazon Aurora MySQL with Amazon RDS Proxy

This post is co-written with Peter Fein, Staff Engineer 2 at VMware VMware Tanzu CloudHealth, consolidated a multi-tenant, self-managed, 166-node sharded MySQL databases to Amazon Aurora MySQL-Compatible Edition and Amazon RDS Proxy. The goal was to support long-term, continuous, multi-factor data growth on their platform while improving reliability and simplifying operations. VMware Tanzu CloudHealth is […]

Configure Amazon Aurora PostgreSQL database activity streams for monitoring in IBM Guardium

In this post, we guide you through the steps to setting up Amazon Aurora PostgreSQL-Compatible Edition database activity streams (DAS) for monitoring in IBM Guardium. Here, we are using IBM Guardium version 11.5. Aurora PostgreSQL-Compatible is a fully managed, PostgreSQL-compatible, ACID-compliant relational database engine that combines the speed, reliability, and manageability of Amazon Aurora with […]

Implement auto-increment with Amazon DynamoDB

When developing an application with Amazon DynamoDB, sometimes you want new items inserted into a table to have an ever-increasing sequence number. Some databases call this auto-increment and automatically populate the value on insert. Example use-cases could be giving a customer order or a support ticket a numeric identifier. DynamoDB doesn’t provide auto-increment as an […]

Cross-account Amazon RDS for Oracle migration using Amazon RDS snapshots and AWS DMS for minimal downtime

In scenarios such as consolidating or merging multiple departments with separate AWS accounts into a single AWS account, splitting a single account or divisions into multiple AWS accounts for better management, or duplicating an AWS account across Regions, you often need to migrate the database from one AWS account to another with minimal downtime and […]

Migrate a cross-account TDE-enabled Amazon RDS for Oracle DB instance with reduced downtime using AWS DMS

Migrating a Transparent Data Encryption (TDE)-enabled Amazon Relational Database Service (Amazon RDS) for Oracle database instance from one AWS account to another is a common use case in scenarios when you acquire, sell, or merge operations, or if you’re reorganizing your AWS accounts and organizational structure. TDE is a permanent and persistent option in RDS […]

Introducing incremental export from Amazon DynamoDB to Amazon S3

Amazon DynamoDB is a key-value and document database that delivers single-digit millisecond performance at any scale. It’s a fully managed, multi-Region, multi-active, durable database with built-in security, backup and restore, and in-memory caching for internet-scale applications. In 2020, DynamoDB introduced a feature to export DynamoDB table data to Amazon Simple Storage Service (Amazon S3) with […]